Example #1
0
File: input.py Project: qize/RMG-Py
def transitionState(label, *args, **kwargs):
    """Load a transition state from an input file"""
    global transition_state_dict
    if label in transition_state_dict:
        raise ValueError(
            'Multiple occurrences of transition state with label {0!r}.'.
            format(label))
    logging.info('Loading transition state {0}...'.format(label))
    ts = TransitionState(label=label)
    transition_state_dict[label] = ts

    if len(args) == 1 and len(kwargs) == 0:
        # The argument is a path to a conformer input file
        path = args[0]
        job = StatMechJob(species=ts, path=path)
        job_list.append(job)

    elif len(args) == 0:
        # The species parameters are given explicitly
        E0 = None
        modes = []
        spin_multiplicity = 1
        optical_isomers = 1
        frequency = None
        for key, value in kwargs.items():
            if key == 'E0':
                E0 = value
            elif key == 'modes':
                modes = value
            elif key == 'spinMultiplicity':
                spin_multiplicity = value
            elif key == 'opticalIsomers':
                optical_isomers = value
            elif key == 'frequency':
                frequency = value
            else:
                raise TypeError(
                    'transition_state() got an unexpected keyword argument {0!r}.'
                    .format(key))

        ts.conformer = Conformer(E0=E0,
                                 modes=modes,
                                 spin_multiplicity=spin_multiplicity,
                                 optical_isomers=optical_isomers)
        ts.frequency = frequency
    else:
        if len(args) == 0 and len(kwargs) == 0:
            raise InputError(
                'The transition_state needs to reference a quantum job file or contain kinetic information.'
            )
        raise InputError(
            'The transition_state can only link a quantum job or directly input information, not both.'
        )

    return ts
def transitionState(label, *args, **kwargs):
    global transitionStateDict
    if label in transitionStateDict:
        raise ValueError(
            'Multiple occurrences of transition state with label {0!r}.'.
            format(label))
    logging.info('Loading transition state {0}...'.format(label))
    ts = TransitionState(label=label)
    transitionStateDict[label] = ts

    if len(args) == 1 and len(kwargs) == 0:
        # The argument is a path to a conformer input file
        path = args[0]
        job = StatMechJob(species=ts, path=path)
        jobList.append(job)

    elif len(args) == 0 and len(kwargs) > 0:
        # The species parameters are given explicitly
        E0 = None
        modes = []
        spinMultiplicity = 1
        opticalIsomers = 1
        frequency = None
        for key, value in kwargs.items():
            if key == 'E0':
                E0 = value
            elif key == 'modes':
                modes = value
            elif key == 'spinMultiplicity':
                spinMultiplicity = value
            elif key == 'opticalIsomers':
                opticalIsomers = value
            elif key == 'frequency':
                frequency = value
            else:
                raise TypeError(
                    'transitionState() got an unexpected keyword argument {0!r}.'
                    .format(key))

        ts.conformer = Conformer(E0=E0,
                                 modes=modes,
                                 spinMultiplicity=spinMultiplicity,
                                 opticalIsomers=opticalIsomers)
        ts.frequency = frequency

    return ts
Example #3
0
 def test_give_tlist_for_kineticsjob(self):
     """
     Ensures that the proper temperature ranges are set when Tlist is specified
     """
     rxn = Reaction(transition_state=TransitionState())
     t_list = [50.7, 100, 300, 800, 1255]
     kjob = KineticsJob(rxn, Tlist=(t_list, 'K'))
     self.assertEqual(min(t_list), kjob.Tmin.value_si)
     self.assertEqual(max(t_list), kjob.Tmax.value_si)
     self.assertEqual(len(t_list), kjob.Tcount)
def transitionState(label, *args, **kwargs):
    global transitionStateDict
    if label in transitionStateDict:
        raise ValueError('Multiple occurrences of transition state with label {0!r}.'.format(label))
    logging.info('Loading transition state {0}...'.format(label))
    ts = TransitionState(label=label)
    transitionStateDict[label] = ts
    
    if len(args) == 1 and len(kwargs) == 0:
        # The argument is a path to a conformer input file
        path = args[0]
        job = StatMechJob(species=ts, path=path)
        jobList.append(job)
    
    elif len(args) == 0:
        # The species parameters are given explicitly
        E0 = None
        modes = []
        spinMultiplicity = 1
        opticalIsomers = 1
        frequency = None
        for key, value in kwargs.items():
            if key == 'E0':
                E0 = value
            elif key == 'modes':
                modes = value
            elif key == 'spinMultiplicity':
                spinMultiplicity = value
            elif key == 'opticalIsomers':
                opticalIsomers = value
            elif key == 'frequency':
                frequency = value
            else:
                raise TypeError('transitionState() got an unexpected keyword argument {0!r}.'.format(key))
        
        ts.conformer = Conformer(E0=E0, modes=modes, spinMultiplicity=spinMultiplicity, opticalIsomers=opticalIsomers)  
        ts.frequency = frequency
    else:
        if len(args) == 0 and len(kwargs) == 0:
            raise InputError('The transitionState needs to reference a quantum job file or contain kinetic information.')
        raise InputError('The transitionState can only link a quantum job or directly input information, not both.')

    return ts
Example #5
0
 def test_give_temperature_range_for_kineticsjob(self):
     """
     Ensures that Tlist is set when a range of temperatures is specified
     """
     rxn = Reaction(transition_state=TransitionState())
     kjob = KineticsJob(rxn, Tmin=(50, 'K'), Tmax=(4000, 'K'), Tcount=5)
     self.assertEqual(5, len(kjob.Tlist.value_si))
     self.assertEqual(50, min(kjob.Tlist.value_si))
     self.assertAlmostEqual(4000, max(kjob.Tlist.value_si))
     inverse_tlist = 1 / kjob.Tlist.value_si
     self.assertAlmostEqual(inverse_tlist[1] - inverse_tlist[0],
                            inverse_tlist[-1] - inverse_tlist[-2],
                            msg='The points for fitting do not appear 1/T spaced. '
                                'Obtained values of {0} and {1}'.format(inverse_tlist[1] - inverse_tlist[0],
                                                                        inverse_tlist[-1] - inverse_tlist[-2]))
Example #6
0
 def test_get_tlist_for_kineticsjob(self):
     """
     Ensures that Tlist is set when no range is specified
     """
     rxn = Reaction(transition_state=TransitionState())
     kjob = KineticsJob(rxn)
     self.assertAlmostEqual(298, kjob.Tmin.value_si)
     self.assertAlmostEqual(2500, kjob.Tmax.value_si)
     self.assertEqual(50, kjob.Tcount)
     self.assertEqual(50, len(kjob.Tlist.value_si))
     self.assertAlmostEqual(298, min(kjob.Tlist.value_si))
     self.assertAlmostEqual(2500, max(kjob.Tlist.value_si))
     inverse_tlist = 1 / kjob.Tlist.value_si
     self.assertAlmostEqual(inverse_tlist[1] - inverse_tlist[0],
                            inverse_tlist[-1] - inverse_tlist[-2],
                            msg='The points for fitting do not appear 1/T spaced. '
                                'Obtained values of {0} and {1}'.format(inverse_tlist[1] - inverse_tlist[0],
                                                                        inverse_tlist[-1] - inverse_tlist[-2]))
Example #7
0
def loadFAMEInput(path, moleculeDict=None):
    """
    Load the contents of a FAME input file into the MEASURE object. FAME
    is an early version of MEASURE written in Fortran and used by RMG-Java.
    This script enables importing FAME input files into MEASURE so we can
    use the additional functionality that MEASURE provides. Note that it
    is mostly designed to load the FAME input files generated automatically
    by RMG-Java, and may not load hand-crafted FAME input files. If you
    specify a `moleculeDict`, then this script will use it to associate
    the species with their structures.
    """
    
    def readMeaningfulLine(f):
        line = f.readline()
        while line != '':
            line = line.strip()
            if len(line) > 0 and line[0] != '#':
                return line
            else:
                line = f.readline()
        return ''

    moleculeDict = moleculeDict or {}

    logging.info('Loading file "{0}"...'.format(path))
    f = open(path)

    job = PressureDependenceJob(network=None)
    
    # Read method
    method = readMeaningfulLine(f).lower()
    if method == 'modifiedstrongcollision': 
        job.method = 'modified strong collision'
    elif method == 'reservoirstate': 
        job.method = 'reservoir state'

    # Read temperatures
    Tcount, Tunits, Tmin, Tmax = readMeaningfulLine(f).split()
    job.Tmin = Quantity(float(Tmin), Tunits) 
    job.Tmax = Quantity(float(Tmax), Tunits)
    job.Tcount = int(Tcount)
    Tlist = []
    for i in range(int(Tcount)):
        Tlist.append(float(readMeaningfulLine(f)))
    job.Tlist = Quantity(Tlist, Tunits)
    
    # Read pressures
    Pcount, Punits, Pmin, Pmax = readMeaningfulLine(f).split()
    job.Pmin = Quantity(float(Pmin), Punits) 
    job.Pmax = Quantity(float(Pmax), Punits)
    job.Pcount = int(Pcount)
    Plist = []
    for i in range(int(Pcount)):
        Plist.append(float(readMeaningfulLine(f)))
    job.Plist = Quantity(Plist, Punits)
    
    # Read interpolation model
    model = readMeaningfulLine(f).split()
    if model[0].lower() == 'chebyshev':
        job.interpolationModel = ('chebyshev', int(model[1]), int(model[2]))
    elif model[0].lower() == 'pdeparrhenius':
        job.interpolationModel = ('pdeparrhenius',)
    
    # Read grain size or number of grains
    job.minimumGrainCount = 0
    job.maximumGrainSize = None
    for i in range(2):
        data = readMeaningfulLine(f).split()
        if data[0].lower() == 'numgrains':
            job.minimumGrainCount = int(data[1])
        elif data[0].lower() == 'grainsize':
            job.maximumGrainSize = (float(data[2]), data[1])

    # A FAME file is almost certainly created during an RMG job, so use RMG mode
    job.rmgmode = True

    # Create the Network
    job.network = Network()

    # Read collision model
    data = readMeaningfulLine(f)
    assert data.lower() == 'singleexpdown'
    alpha0units, alpha0 = readMeaningfulLine(f).split()
    T0units, T0 = readMeaningfulLine(f).split()
    n = readMeaningfulLine(f)
    energyTransferModel = SingleExponentialDown(
        alpha0 = Quantity(float(alpha0), alpha0units),
        T0 = Quantity(float(T0), T0units),
        n = float(n),
    )
    
    speciesDict = {}

    # Read bath gas parameters
    bathGas = Species(label='bath_gas', energyTransferModel=energyTransferModel)
    molWtunits, molWt = readMeaningfulLine(f).split()
    if molWtunits == 'u': molWtunits = 'amu'
    bathGas.molecularWeight = Quantity(float(molWt), molWtunits)
    sigmaLJunits, sigmaLJ = readMeaningfulLine(f).split()
    epsilonLJunits, epsilonLJ = readMeaningfulLine(f).split()
    assert epsilonLJunits == 'J'
    bathGas.transportData = TransportData(
        sigma = Quantity(float(sigmaLJ), sigmaLJunits),
        epsilon = Quantity(float(epsilonLJ) / constants.kB, 'K'),
    )
    job.network.bathGas = {bathGas: 1.0}
    
    # Read species data
    Nspec = int(readMeaningfulLine(f))
    for i in range(Nspec):
        species = Species()
        species.conformer = Conformer()
        species.energyTransferModel = energyTransferModel
        
        # Read species label
        species.label = readMeaningfulLine(f)
        speciesDict[species.label] = species
        if species.label in moleculeDict:
            species.molecule = [moleculeDict[species.label]]
        
        # Read species E0
        E0units, E0 = readMeaningfulLine(f).split()
        species.conformer.E0 = Quantity(float(E0), E0units)
        species.conformer.E0.units = 'kJ/mol'
        
        # Read species thermo data
        H298units, H298 = readMeaningfulLine(f).split()
        S298units, S298 = readMeaningfulLine(f).split()
        Cpcount, Cpunits = readMeaningfulLine(f).split()
        Cpdata = []
        for i in range(int(Cpcount)):
            Cpdata.append(float(readMeaningfulLine(f)))
        if S298units == 'J/mol*K': S298units = 'J/(mol*K)'
        if Cpunits == 'J/mol*K': Cpunits = 'J/(mol*K)'
        species.thermo = ThermoData(
            H298 = Quantity(float(H298), H298units),
            S298 = Quantity(float(S298), S298units),
            Tdata = Quantity([300,400,500,600,800,1000,1500], "K"),
            Cpdata = Quantity(Cpdata, Cpunits),
            Cp0 = (Cpdata[0], Cpunits),
            CpInf = (Cpdata[-1], Cpunits),
        )
        
        # Read species collision parameters
        molWtunits, molWt = readMeaningfulLine(f).split()
        if molWtunits == 'u': molWtunits = 'amu'
        species.molecularWeight = Quantity(float(molWt), molWtunits)
        sigmaLJunits, sigmaLJ = readMeaningfulLine(f).split()
        epsilonLJunits, epsilonLJ = readMeaningfulLine(f).split()
        assert epsilonLJunits == 'J'
        species.transportData = TransportData(
            sigma = Quantity(float(sigmaLJ), sigmaLJunits),
            epsilon = Quantity(float(epsilonLJ) / constants.kB, 'K'),
        )
        
        # Read species vibrational frequencies
        freqCount, freqUnits = readMeaningfulLine(f).split()
        frequencies = []
        for j in range(int(freqCount)):
            frequencies.append(float(readMeaningfulLine(f)))
        species.conformer.modes.append(HarmonicOscillator(
            frequencies = Quantity(frequencies, freqUnits),
        ))
        
        # Read species external rotors
        rotCount, rotUnits = readMeaningfulLine(f).split()
        if int(rotCount) > 0:
            raise NotImplementedError('Cannot handle external rotational modes in FAME input.')
        
        # Read species internal rotors
        freqCount, freqUnits = readMeaningfulLine(f).split()
        frequencies = []
        for j in range(int(freqCount)):
            frequencies.append(float(readMeaningfulLine(f)))
        barrCount, barrUnits = readMeaningfulLine(f).split()
        barriers = []
        for j in range(int(barrCount)):
            barriers.append(float(readMeaningfulLine(f)))
        if barrUnits == 'cm^-1':
            barrUnits = 'J/mol'
            barriers = [barr * constants.h * constants.c * constants.Na * 100. for barr in barriers]
        elif barrUnits in ['Hz', 's^-1']:
            barrUnits = 'J/mol'
            barriers = [barr * constants.h * constants.Na for barr in barriers]
        elif barrUnits != 'J/mol':
            raise Exception('Unexpected units "{0}" for hindered rotor barrier height.'.format(barrUnits))
        inertia = [V0 / 2.0 / (nu * constants.c * 100.)**2 / constants.Na for nu, V0 in zip(frequencies, barriers)]
        for I, V0 in zip(inertia, barriers):
            species.conformer.modes.append(HinderedRotor(
                inertia = Quantity(I,"kg*m^2"), 
                barrier = Quantity(V0,barrUnits), 
                symmetry = 1,
                semiclassical = False,
            ))
            
        # Read overall symmetry number
        species.conformer.spinMultiplicity = int(readMeaningfulLine(f))
        
    # Read isomer, reactant channel, and product channel data
    Nisom = int(readMeaningfulLine(f))
    Nreac = int(readMeaningfulLine(f))
    Nprod = int(readMeaningfulLine(f))
    for i in range(Nisom):
        data = readMeaningfulLine(f).split()
        assert data[0] == '1'
        job.network.isomers.append(speciesDict[data[1]])
    for i in range(Nreac):
        data = readMeaningfulLine(f).split()
        assert data[0] == '2'
        job.network.reactants.append([speciesDict[data[1]], speciesDict[data[2]]])
    for i in range(Nprod):
        data = readMeaningfulLine(f).split()
        if data[0] == '1':
            job.network.products.append([speciesDict[data[1]]])
        elif data[0] == '2':
            job.network.products.append([speciesDict[data[1]], speciesDict[data[2]]])

    # Read path reactions
    Nrxn = int(readMeaningfulLine(f))
    for i in range(Nrxn):
        
        # Read and ignore reaction equation
        equation = readMeaningfulLine(f)
        reaction = Reaction(transitionState=TransitionState(), reversible=True)
        job.network.pathReactions.append(reaction)
        reaction.transitionState.conformer = Conformer()
        
        # Read reactant and product indices
        data = readMeaningfulLine(f).split()
        reac = int(data[0]) - 1
        prod = int(data[1]) - 1
        if reac < Nisom:
            reaction.reactants = [job.network.isomers[reac]]
        elif reac < Nisom+Nreac:
            reaction.reactants = job.network.reactants[reac-Nisom]
        else:
            reaction.reactants = job.network.products[reac-Nisom-Nreac]
        if prod < Nisom:
            reaction.products = [job.network.isomers[prod]]
        elif prod < Nisom+Nreac:
            reaction.products = job.network.reactants[prod-Nisom]
        else:
            reaction.products = job.network.products[prod-Nisom-Nreac]
        
        # Read reaction E0
        E0units, E0 = readMeaningfulLine(f).split()
        reaction.transitionState.conformer.E0 = Quantity(float(E0), E0units)
        reaction.transitionState.conformer.E0.units = 'kJ/mol'
        
        # Read high-pressure limit kinetics
        data = readMeaningfulLine(f)
        assert data.lower() == 'arrhenius'
        Aunits, A = readMeaningfulLine(f).split()
        if '/' in Aunits:
            index = Aunits.find('/')
            Aunits = '{0}/({1})'.format(Aunits[0:index], Aunits[index+1:])
        Eaunits, Ea = readMeaningfulLine(f).split()
        n = readMeaningfulLine(f)
        reaction.kinetics = Arrhenius(
            A = Quantity(float(A), Aunits),
            Ea = Quantity(float(Ea), Eaunits),
            n = Quantity(float(n)),
        )
        reaction.kinetics.Ea.units = 'kJ/mol'

    f.close()
    
    job.network.isomers = [Configuration(isomer) for isomer in job.network.isomers]
    job.network.reactants = [Configuration(*reactants) for reactants in job.network.reactants]
    job.network.products = [Configuration(*products) for products in job.network.products]

    return job
Example #8
0
    def setUp(self):
        """
        A function run before each unit test in this class.
        """
        self.nC4H10O = Species(
            label='n-C4H10O',
            conformer=Conformer(
                E0=(-317.807, 'kJ/mol'),
                modes=[
                    IdealGasTranslation(mass=(74.07, "g/mol")),
                    NonlinearRotor(inertia=([41.5091, 215.751,
                                             233.258], "amu*angstrom^2"),
                                   symmetry=1),
                    HarmonicOscillator(frequencies=([
                        240.915, 341.933, 500.066, 728.41, 809.987, 833.93,
                        926.308, 948.571, 1009.3, 1031.46, 1076, 1118.4,
                        1184.66, 1251.36, 1314.36, 1321.42, 1381.17, 1396.5,
                        1400.54, 1448.08, 1480.18, 1485.34, 1492.24, 1494.99,
                        1586.16, 2949.01, 2963.03, 2986.19, 2988.1, 2995.27,
                        3026.03, 3049.05, 3053.47, 3054.83, 3778.88
                    ], "cm^-1")),
                    HinderedRotor(inertia=(0.854054, "amu*angstrom^2"),
                                  symmetry=1,
                                  fourier=([[
                                      0.25183, -1.37378, -2.8379, 0.0305112,
                                      0.0028088
                                  ],
                                            [
                                                0.458307, 0.542121, -0.599366,
                                                -0.00283925, 0.0398529
                                            ]], "kJ/mol")),
                    HinderedRotor(
                        inertia=(8.79408, "amu*angstrom^2"),
                        symmetry=1,
                        fourier=([[
                            0.26871, -0.59533, -8.15002, -0.294325, -0.145357
                        ], [1.1884, 0.99479, -0.940416, -0.186538,
                            0.0309834]], "kJ/mol")),
                    HinderedRotor(inertia=(7.88153, "amu*angstrom^2"),
                                  symmetry=1,
                                  fourier=([[
                                      -4.67373, 2.03735, -6.25993, -0.27325,
                                      -0.048748
                                  ],
                                            [
                                                -0.982845, 1.76637, -1.57619,
                                                0.474364, -0.000681718
                                            ]], "kJ/mol")),
                    HinderedRotor(inertia=(2.81525, "amu*angstrom^2"),
                                  symmetry=3,
                                  barrier=(2.96807, "kcal/mol")),
                ],
                spin_multiplicity=1,
                optical_isomers=1,
            ),
            molecular_weight=(74.07, "g/mol"),
            transport_data=TransportData(sigma=(5.94, 'angstrom'),
                                         epsilon=(559, 'K')),
            energy_transfer_model=SingleExponentialDown(
                alpha0=(447.5 * 0.011962, "kJ/mol"), T0=(300, "K"), n=0.85),
        )

        self.nC4H8 = Species(
            label='n-C4H8',
            conformer=Conformer(
                E0=(-17.8832, 'kJ/mol'),
                modes=[
                    IdealGasTranslation(mass=(56.06, "g/mol")),
                    NonlinearRotor(inertia=([22.2748, 122.4,
                                             125.198], "amu*angstrom^2"),
                                   symmetry=1),
                    HarmonicOscillator(frequencies=([
                        308.537, 418.67, 636.246, 788.665, 848.906, 936.762,
                        979.97, 1009.48, 1024.22, 1082.96, 1186.38, 1277.55,
                        1307.65, 1332.87, 1396.67, 1439.09, 1469.71, 1484.45,
                        1493.19, 1691.49, 2972.12, 2994.31, 3018.48, 3056.87,
                        3062.76, 3079.38, 3093.54, 3174.52
                    ], "cm^-1")),
                    HinderedRotor(inertia=(5.28338, "amu*angstrom^2"),
                                  symmetry=1,
                                  fourier=([[
                                      -0.579364, -0.28241, -4.46469, 0.143368,
                                      0.126756
                                  ],
                                            [
                                                1.01804, -0.494628,
                                                -0.00318651, -0.245289,
                                                0.193728
                                            ]], "kJ/mol")),
                    HinderedRotor(
                        inertia=(2.60818, "amu*angstrom^2"),
                        symmetry=3,
                        fourier=([[
                            0.0400372, 0.0301986, -6.4787, -0.0248675,
                            -0.0324753
                        ], [0.0312541, 0.0538, -0.493785, 0.0965968,
                            0.125292]], "kJ/mol")),
                ],
                spin_multiplicity=1,
                optical_isomers=1,
            ),
        )

        self.H2O = Species(
            label='H2O',
            conformer=Conformer(
                E0=(-269.598, 'kJ/mol'),
                modes=[
                    IdealGasTranslation(mass=(18.01, "g/mol")),
                    NonlinearRotor(inertia=([0.630578, 1.15529,
                                             1.78586], "amu*angstrom^2"),
                                   symmetry=2),
                    HarmonicOscillator(
                        frequencies=([1622.09, 3771.85, 3867.85], "cm^-1")),
                ],
                spin_multiplicity=1,
                optical_isomers=1,
            ),
        )

        self.N2 = Species(
            label='N2',
            molecular_weight=(28.04, "g/mol"),
            transport_data=TransportData(sigma=(3.41, "angstrom"),
                                         epsilon=(124, "K")),
            energy_transfer_model=None,
        )

        self.TS = TransitionState(
            label='TS',
            conformer=Conformer(
                E0=(-42.4373, "kJ/mol"),
                modes=[
                    IdealGasTranslation(mass=(74.07, "g/mol")),
                    NonlinearRotor(inertia=([40.518, 232.666,
                                             246.092], "u*angstrom**2"),
                                   symmetry=1,
                                   quantum=False),
                    HarmonicOscillator(frequencies=([
                        134.289, 302.326, 351.792, 407.986, 443.419, 583.988,
                        699.001, 766.1, 777.969, 829.671, 949.753, 994.731,
                        1013.59, 1073.98, 1103.79, 1171.89, 1225.91, 1280.67,
                        1335.08, 1373.9, 1392.32, 1417.43, 1469.51, 1481.61,
                        1490.16, 1503.73, 1573.16, 2972.85, 2984.3, 3003.67,
                        3045.78, 3051.77, 3082.37, 3090.44, 3190.73, 3708.52
                    ], "kayser")),
                    HinderedRotor(inertia=(2.68206, "amu*angstrom^2"),
                                  symmetry=3,
                                  barrier=(3.35244, "kcal/mol")),
                    HinderedRotor(inertia=(9.77669, "amu*angstrom^2"),
                                  symmetry=1,
                                  fourier=([[
                                      0.208938, -1.55291, -4.05398, -0.105798,
                                      -0.104752
                                  ],
                                            [
                                                2.00518, -0.020767, -0.333595,
                                                0.137791, -0.274578
                                            ]], "kJ/mol")),
                ],
                spin_multiplicity=1,
                optical_isomers=1,
            ),
            frequency=(-2038.34, 'cm^-1'),
        )

        self.reaction = Reaction(
            label='dehydration',
            reactants=[self.nC4H10O],
            products=[self.nC4H8, self.H2O],
            transition_state=self.TS,
        )

        self.network = Network(
            label='n-butanol',
            isomers=[Configuration(self.nC4H10O)],
            reactants=[],
            products=[Configuration(self.nC4H8, self.H2O)],
            path_reactions=[self.reaction],
            bath_gas={self.N2: 1.0},
        )
Example #9
0
    def setUp(self):
        """
        A method that is called prior to each unit test in this class.
        """
        ethylene = Species(
            label = 'C2H4',
            conformer = Conformer(
                E0 = (44.7127, 'kJ/mol'),
                modes = [
                    IdealGasTranslation(
                        mass = (28.0313, 'amu'),
                    ),
                    NonlinearRotor(
                        inertia = (
                            [3.41526, 16.6498, 20.065],
                            'amu*angstrom^2',
                        ),
                        symmetry = 4,
                    ),
                    HarmonicOscillator(
                        frequencies = (
                            [828.397, 970.652, 977.223, 1052.93, 1233.55, 1367.56, 1465.09, 1672.25, 3098.46, 3111.7, 3165.79, 3193.54],
                            'cm^-1',
                        ),
                    ),
                ],
                spinMultiplicity = 1,
                opticalIsomers = 1,
            ),
        )
        
        hydrogen = Species(          
            label = 'H',
            conformer = Conformer(
                E0 = (211.794, 'kJ/mol'),
                modes = [
                    IdealGasTranslation(
                        mass = (1.00783, 'amu'),
                    ),
                ],
                spinMultiplicity = 2,
                opticalIsomers = 1,
            ),
        )
        
        ethyl = Species(
            label = 'C2H5',
            conformer = Conformer(
                E0 = (111.603, 'kJ/mol'),
                modes = [
                    IdealGasTranslation(
                        mass = (29.0391, 'amu'),
                    ),
                    NonlinearRotor(
                        inertia = (
                            [4.8709, 22.2353, 23.9925],
                            'amu*angstrom^2',
                        ),
                        symmetry = 1,
                    ),
                    HarmonicOscillator(
                        frequencies = (
                            [482.224, 791.876, 974.355, 1051.48, 1183.21, 1361.36, 1448.65, 1455.07, 1465.48, 2688.22, 2954.51, 3033.39, 3101.54, 3204.73],
                            'cm^-1',
                        ),
                    ),
                    HinderedRotor(
                        inertia = (1.11481, 'amu*angstrom^2'),
                        symmetry = 6,
                        barrier = (0.244029, 'kJ/mol'),
                        semiclassical = None,
                    ),
                ],
                spinMultiplicity = 2,
                opticalIsomers = 1,
            ),
        )
        
        TS = TransitionState(
            label = 'TS',
            conformer = Conformer(
                E0 = (266.694, 'kJ/mol'),
                modes = [
                    IdealGasTranslation(
                        mass = (29.0391, 'amu'),
                    ),
                    NonlinearRotor(
                        inertia = (
                            [6.78512, 22.1437, 22.2114],
                            'amu*angstrom^2',
                        ),
                        symmetry = 1,
                    ),
                    HarmonicOscillator(
                        frequencies = (
                            [412.75, 415.206, 821.495, 924.44, 982.714, 1024.16, 1224.21, 1326.36, 1455.06, 1600.35, 3101.46, 3110.55, 3175.34, 3201.88],
                            'cm^-1',
                        ),
                    ),
                ],
                spinMultiplicity = 2,
                opticalIsomers = 1,
            ),
            frequency = (-750.232, 'cm^-1'),
        )
        
        self.reaction = Reaction(
            reactants = [hydrogen, ethylene],
            products = [ethyl], 
            kinetics = Arrhenius(
                A = (501366000.0, 'cm^3/(mol*s)'),
                n = 1.637,
                Ea = (4.32508, 'kJ/mol'),
                T0 = (1, 'K'),
                Tmin = (300, 'K'),
                Tmax = (2500, 'K'),
            ),
            transitionState = TS,
        )
    
        # CC(=O)O[O]
        acetylperoxy = Species(
            label='acetylperoxy',
            thermo=Wilhoit(Cp0=(4.0*constants.R,"J/(mol*K)"), CpInf=(21.0*constants.R,"J/(mol*K)"), a0=-3.95, a1=9.26, a2=-15.6, a3=8.55, B=(500.0,"K"), H0=(-6.151e+04,"J/mol"), S0=(-790.2,"J/(mol*K)")),
        )

        # C[C]=O
        acetyl = Species(
            label='acetyl',
            thermo=Wilhoit(Cp0=(4.0*constants.R,"J/(mol*K)"), CpInf=(15.5*constants.R,"J/(mol*K)"), a0=0.2541, a1=-0.4712, a2=-4.434, a3=2.25, B=(500.0,"K"), H0=(-1.439e+05,"J/mol"), S0=(-524.6,"J/(mol*K)")),
        )

        # [O][O]
        oxygen = Species(
            label='oxygen',
            thermo=Wilhoit(Cp0=(3.5*constants.R,"J/(mol*K)"), CpInf=(4.5*constants.R,"J/(mol*K)"), a0=-0.9324, a1=26.18, a2=-70.47, a3=44.12, B=(500.0,"K"), H0=(1.453e+04,"J/mol"), S0=(-12.19,"J/(mol*K)")),
        )
        
        self.reaction2 = Reaction(
            reactants=[acetyl, oxygen], 
            products=[acetylperoxy], 
            kinetics = Arrhenius(
                A = (2.65e12, 'cm^3/(mol*s)'),
                n = 0.0,
                Ea = (0.0, 'kJ/mol'),
                T0 = (1, 'K'),
                Tmin = (300, 'K'),
                Tmax = (2000, 'K'),
            ),
        )