def testTransportDataReadAndWrite(self): """ Test that we can write to chemkin and recreate the same transport object """ from rmgpy.species import Species from rmgpy.molecule import Molecule from rmgpy.transport import TransportData Ar = Species(label="Ar", transportData=TransportData(shapeIndex=0, epsilon=(1134.93, 'J/mol'), sigma=(3.33, 'angstrom'), dipoleMoment=(0, 'De'), polarizability=(0, 'angstrom^3'), rotrelaxcollnum=0.0, comment="""GRI-Mech""")) Ar_write = Species(label="Ar") folder = os.path.join(os.path.dirname(rmgpy.__file__), 'test_data') tempTransportPath = os.path.join(folder, 'tran_temp.dat') saveTransportFile(tempTransportPath, [Ar]) speciesDict = {'Ar': Ar_write} loadTransportFile(tempTransportPath, speciesDict) self.assertEqual(repr(Ar), repr(Ar_write)) os.remove(tempTransportPath)
def test_toCantera(self): """ Test that the Cantera GasTransportData creation is successful. """ transport = TransportData(shapeIndex=0, epsilon=(1134.93,'J/mol'), sigma=(3.33,'angstrom'), dipoleMoment=(2,'De'), polarizability=(1,'angstrom^3'), rotrelaxcollnum=15.0, comment="""GRI-Mech""") rmg_ctTransport = transport.toCantera() import cantera as ct ctSpecies = ct.Species.fromCti("""species(name=u'Ar', atoms='Ar:1', transport=gas_transport(geom='atom', diam=3.33, well_depth=136.501, dipole=2.0, polar=1.0, rot_relax=15.0))""") ctTransport = ctSpecies.transport self.assertAlmostEqual(rmg_ctTransport.geometry, ctTransport.geometry) self.assertAlmostEqual(rmg_ctTransport.acentric_factor, ctTransport.acentric_factor) self.assertAlmostEqual(rmg_ctTransport.diameter, ctTransport.diameter) self.assertAlmostEqual(rmg_ctTransport.dipole, ctTransport.dipole) self.assertAlmostEqual(rmg_ctTransport.polarizability, ctTransport.polarizability) self.assertAlmostEqual(rmg_ctTransport.rotational_relaxation, ctTransport.rotational_relaxation) self.assertAlmostEqual(rmg_ctTransport.well_depth, ctTransport.well_depth)
def setUp(self): """ A method that is run before each unit test in this class. """ self.species = Species( index=1, label='C2H4', thermo=ThermoData( Tdata=([300.0,400.0,500.0,600.0,800.0,1000.0,1500.0],'K'), Cpdata=([3.0,4.0,5.0,6.0,8.0,10.0,15.0],'cal/(mol*K)'), H298=(-20.0,'kcal/mol'), S298=(50.0,'cal/(mol*K)'), Tmin=(300.0,'K'), Tmax=(2000.0,'K'), ), conformer=Conformer( E0=(0.0,'kJ/mol'), modes=[ IdealGasTranslation(mass=(28.03,'amu')), NonlinearRotor(inertia=([5.6952e-47, 2.7758e-46, 3.3454e-46],'kg*m^2'), symmetry=1), HarmonicOscillator(frequencies=([834.50, 973.31, 975.37, 1067.1, 1238.5, 1379.5, 1472.3, 1691.3, 3121.6, 3136.7, 3192.5, 3221.0],'cm^-1')), ], spinMultiplicity=1, opticalIsomers=1, ), molecule=[Molecule().fromSMILES('C=C')], transportData=TransportData(sigma=(1, 'angstrom'), epsilon=(100, 'K')), molecularWeight=(28.03,'amu'), reactive=True, )
def testCantera(self): """ Test that a Cantera Species object is created correctly. """ from rmgpy.thermo import NASA, NASAPolynomial import cantera as ct rmgSpecies = Species(label="Ar", thermo=NASA(polynomials=[NASAPolynomial(coeffs=[2.5,0,0,0,0,-745.375,4.37967], Tmin=(200,'K'), Tmax=(1000,'K')), NASAPolynomial(coeffs=[2.5,0,0,0,0,-745.375,4.37967], Tmin=(1000,'K'), Tmax=(6000,'K'))], Tmin=(200,'K'), Tmax=(6000,'K'), comment=""" Thermo library: primaryThermoLibrary """), molecule=[Molecule(SMILES="[Ar]")], transportData=TransportData(shapeIndex=0, epsilon=(1134.93,'J/mol'), sigma=(3.33,'angstrom'), dipoleMoment=(2,'De'), polarizability=(1,'angstrom^3'), rotrelaxcollnum=15.0, comment="""GRI-Mech""")) rmg_ctSpecies = rmgSpecies.toCantera(useChemkinIdentifier = True) ctSpecies = ct.Species.fromCti("""species(name=u'Ar', atoms='Ar:1', thermo=(NASA([200.00, 1000.00], [ 2.50000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, -7.45375000E+02, 4.37967000E+00]), NASA([1000.00, 6000.00], [ 2.50000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, 0.00000000E+00, -7.45375000E+02, 4.37967000E+00])), transport=gas_transport(geom='atom', diam=3.33, well_depth=136.501, dipole=2.0, polar=1.0, rot_relax=15.0))""") self.assertEqual(type(rmg_ctSpecies),type(ctSpecies)) self.assertEqual(rmg_ctSpecies.name, ctSpecies.name) self.assertEqual(rmg_ctSpecies.composition, ctSpecies.composition) self.assertEqual(rmg_ctSpecies.size, ctSpecies.size) self.assertEqual(type(rmg_ctSpecies.thermo), type(ctSpecies.thermo)) self.assertEqual(type(rmg_ctSpecies.transport), type(ctSpecies.transport))
def testGetTransportData(self): """ Test that transport data can be retrieved correctly via the getTransportData method. """ spc = Species(label="Ar", molecule=[Molecule(SMILES="[Ar]")], transportData=TransportData(shapeIndex=0, epsilon=(1134.93,'J/mol'), sigma=(3.33,'angstrom'), dipoleMoment=(2,'De'), polarizability=(1,'angstrom^3'), rotrelaxcollnum=15.0, comment="""GRI-Mech""")) self.assertTrue(spc.getTransportData() is spc.transportData)
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")), ], spinMultiplicity = 1, opticalIsomers = 1, ), molecularWeight = (74.07,"g/mol"), transportData=TransportData(sigma=(5.94, 'angstrom'), epsilon=(559, 'K')), energyTransferModel = 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")), ], spinMultiplicity = 1, opticalIsomers = 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")), ], spinMultiplicity = 1, opticalIsomers = 1, ), ) self.configuration = Configuration(self.nC4H8, self.H2O)
def setUp(self): """ A method that is run before each unit test in this class. """ self.species = Species( index=1, label='C2H4', thermo=ThermoData( Tdata=([300.0, 400.0, 500.0, 600.0, 800.0, 1000.0, 1500.0], 'K'), Cpdata=([3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 15.0], 'cal/(mol*K)'), H298=(-20.0, 'kcal/mol'), S298=(50.0, 'cal/(mol*K)'), Tmin=(300.0, 'K'), Tmax=(2000.0, 'K'), ), conformer=Conformer( E0=(0.0, 'kJ/mol'), modes=[ IdealGasTranslation(mass=(28.03, 'amu')), NonlinearRotor( inertia=([5.6952e-47, 2.7758e-46, 3.3454e-46], 'kg*m^2'), symmetry=1), HarmonicOscillator(frequencies=([ 834.50, 973.31, 975.37, 1067.1, 1238.5, 1379.5, 1472.3, 1691.3, 3121.6, 3136.7, 3192.5, 3221.0 ], 'cm^-1')), ], spin_multiplicity=1, optical_isomers=1, ), molecule=[Molecule().from_smiles('C=C')], transport_data=TransportData(sigma=(1, 'angstrom'), epsilon=(100, 'K')), molecular_weight=(28.03, 'amu'), reactive=True, ) self.species2 = Species().from_adjacency_list(""" 1 C u0 p0 c0 {2,D} {6,S} {7,S} 2 C u0 p0 c0 {1,D} {3,S} {8,S} 3 C u0 p0 c0 {2,S} {4,D} {9,S} 4 C u0 p0 c0 {3,D} {5,S} {10,S} 5 C u0 p0 c0 {4,S} {6,D} {11,S} 6 C u0 p0 c0 {1,S} {5,D} {12,S} 7 H u0 p0 c0 {1,S} 8 H u0 p0 c0 {2,S} 9 H u0 p0 c0 {3,S} 10 H u0 p0 c0 {4,S} 11 H u0 p0 c0 {5,S} 12 H u0 p0 c0 {6,S} """)
def get_transport_properties_via_group_estimates(self, species): """ Return the set of transport parameters corresponding to a given :class:`Species` object `species` by estimation using the group additivity values. If no group additivity values are loaded, a :class:`DatabaseError` is raised. """ # assume that the stablest resonance isomer has already been put as the first # and that we want the transport properties of this isomer molecule = species.molecule[0] if molecule.is_aromatic( ): #don't use aromatic resonance structures as there are no groups for them currently molecule = molecule.copy(deep=True) molecule.kekulize() molecule.clear_labeled_atoms() molecule.update_atomtypes() critical_point = self.estimate_critical_properties_via_group_additivity( molecule) Tc = critical_point.Tc Pc = critical_point.Pc Vc = critical_point.Vc Tb = critical_point.Tb if critical_point.linear != molecule.is_linear(): logging.warning( "Group-based structure index and is_linear() function disagree about " "linearity of {mol!r}".format(mol=molecule)) if len(molecule.atoms) == 1: shape_index = 0 elif molecule.is_linear(): shape_index = 1 else: shape_index = 2 # Acetone values from Joback thesis: Tc = 511.455 (based on experimental Tb) Pc = 47.808 Vc = 209.000 Tb = 322.082 # print "Tc={Tc:.2f} K, Pc={Pc:.4g} bar, Vc={Vc:.4g} cm3/mol, Tb={Tb:.4g} K, average of {isomers} isomers".format(Tc=Tc,Pc=Pc,Vc=Vc,Tb=Tb,isomers=counter) # print 'Estimated with Tc={Tc:.2f} K, Pc={Pc:.4g} bar (from Joback method)'.format(Tc=Tc,Pc=Pc) transport = TransportData( shapeIndex=shape_index, epsilon=(.77 * Tc * constants.R, 'J/mol'), sigma=(2.44 * (Tc / Pc)**(1. / 3), 'angstroms'), dipoleMoment=(0, 'C*m'), polarizability=(0, 'angstroms^3'), rotrelaxcollnum=0, # rotational relaxation collision number at 298 K comment= 'Epsilon & sigma estimated with Tc={Tc:.2f} K, Pc={Pc:.4g} bar (from Joback method)' .format(Tc=Tc, Pc=Pc), ) return transport, None, None
def get_transport_properties_via_lennard_jones_parameters(self, species): """ Serves as last resort if every other method to estimate Transport Properties fails. Generate the Lennard-Jones parameters for the species. """ count = sum([ 1 for atom in species.molecule[0].vertices if atom.is_non_hydrogen() ]) if count == 1: sigma = (3.758e-10, "m") epsilon = (148.6, "K") elif count == 2: sigma = (4.443e-10, "m") epsilon = (110.7, "K") elif count == 3: sigma = (5.118e-10, "m") epsilon = (237.1, "K") elif count == 4: sigma = (4.687e-10, "m") epsilon = (531.4, "K") elif count == 5: sigma = (5.784e-10, "m") epsilon = (341.1, "K") else: sigma = (5.949e-10, "m") epsilon = (399.3, "K") if len(species.molecule[0].atoms) == 1: shape_index = 0 elif species.molecule[0].is_linear(): shape_index = 1 else: shape_index = 2 transport = TransportData( shapeIndex=shape_index, epsilon=epsilon, sigma=sigma, dipoleMoment=(0, 'C*m'), polarizability=(0, 'angstroms^3'), rotrelaxcollnum=0, # rotational relaxation collision number at 298 K comment= 'Epsilon & sigma estimated with fixed Lennard Jones Parameters. This is the fallback method! Try improving transport databases!' ) return transport, None, None
def getTransportPropertiesViaGroupEstimates(self, species): """ Return the set of transport parameters corresponding to a given :class:`Species` object `species` by estimation using the group additivity values. If no group additivity values are loaded, a :class:`DatabaseError` is raised. """ Tc = 0 Pc = 0 Tb = 0 Vc = 0 counter = 0 # assume that the stablest resonance isomer has already been put as the first # and that we want the transport properties of this isomer molecule = species.molecule[0] molecule.clearLabeledAtoms() molecule.updateAtomTypes() criticalPoint = self.estimateCriticalPropertiesViaGroupAdditivity( molecule) Tc = criticalPoint.Tc Pc = criticalPoint.Pc Vc = criticalPoint.Vc Tb = criticalPoint.Tb if criticalPoint.linear != molecule.isLinear(): logging.warning( "Group-based structure index and isLinear() function disagree about linearity of {mol!r}" .format(mol=molecule)) shapeIndex = 1 if molecule.isLinear() else 2 # Acetone values from Joback thesis: Tc = 511.455 (based on experimental Tb) Pc = 47.808 Vc = 209.000 Tb = 322.082 #print "Tc={Tc:.2f} K, Pc={Pc:.4g} bar, Vc={Vc:.4g} cm3/mol, Tb={Tb:.4g} K, average of {isomers} isomers".format(Tc=Tc,Pc=Pc,Vc=Vc,Tb=Tb,isomers=counter) #print 'Estimated with Tc={Tc:.2f} K, Pc={Pc:.4g} bar (from Joback method)'.format(Tc=Tc,Pc=Pc) transport = TransportData( shapeIndex=shapeIndex, # 1 if linear, else 2 epsilon=(.77 * Tc * constants.R, 'J/mol'), sigma=(2.44 * (Tc / Pc)**(1. / 3), 'angstroms'), dipoleMoment=(0, 'C*m'), polarizability=(0, 'angstroms^3'), rotrelaxcollnum=0, # rotational relaxation collision number at 298 K comment= 'Epsilon & sigma estimated with Tc={Tc:.2f} K, Pc={Pc:.4g} bar (from Joback method)' .format(Tc=Tc, Pc=Pc), ) return (transport, None, None)
def test_species(self): """ Test loading a species from input file-like kew word arguments """ label0 = 'CH2O' kwargs = { 'E0': (28.69, 'kcal/mol'), 'structure': SMILES('C=O'), 'collisionModel': TransportData(sigma=(3.69e-10, 'm'), epsilon=(4.0, 'kJ/mol')), 'energyTransferModel': SingleExponentialDown(alpha0=(0.956, 'kJ/mol'), T0=(300, 'K'), n=0.95), 'spinMultiplicity': 1, 'opticalIsomers': 1, 'modes': [ HarmonicOscillator( frequencies=([1180, 1261, 1529, 1764, 2931, 2999], 'cm^-1')), NonlinearRotor(rotationalConstant=([ 1.15498821005263, 1.3156969584727, 9.45570474524524 ], "cm^-1"), symmetry=2, quantum=False), IdealGasTranslation(mass=(30.0106, "g/mol")), ] } spc0 = species(label0, **kwargs) self.assertEqual(spc0.label, 'CH2O') self.assertEqual(spc0.smiles, 'C=O') self.assertAlmostEqual(spc0.conformer.E0.value_si, 120038.96) self.assertEqual(spc0.conformer.spin_multiplicity, 1) self.assertEqual(spc0.conformer.optical_isomers, 1) self.assertEqual(len(spc0.conformer.modes), 3) self.assertIsInstance(spc0.transport_data, TransportData) self.assertIsInstance(spc0.energy_transfer_model, SingleExponentialDown)
def setUp(self): """ A function run before each unit test in this class. """ self.shapeIndex = 1 self.epsilon = Energy(2.104, 'kJ/mol') self.sigma = Length(3.402, 'angstroms') self.dipoleMoment = DipoleMoment(1.000, 'C*m') self.polarizability = Volume(0.134, 'angstroms^3') self.rotrelaxcollnum = 0.000 self.comment = 'test' self.transport = TransportData( shapeIndex=self.shapeIndex, epsilon=self.epsilon, sigma=self.sigma, dipoleMoment=self.dipoleMoment, polarizability=self.polarizability, rotrelaxcollnum=self.rotrelaxcollnum, comment=self.comment, )
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
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}, )
def test_reaction(self): """ Test loading a reaction from input file-like kew word arguments """ species(label='methoxy', structure=SMILES('C[O]'), E0=(9.44, 'kcal/mol'), modes=[ HarmonicOscillator(frequencies=( [758, 960, 1106, 1393, 1403, 1518, 2940, 3019, 3065], 'cm^-1')), NonlinearRotor(rotationalConstant=([0.916, 0.921, 5.251], "cm^-1"), symmetry=3, quantum=False), IdealGasTranslation(mass=(31.01843, "g/mol")) ], spinMultiplicity=2, opticalIsomers=1, molecularWeight=(31.01843, 'amu'), collisionModel=TransportData(sigma=(3.69e-10, 'm'), epsilon=(4.0, 'kJ/mol')), energyTransferModel=SingleExponentialDown(alpha0=(0.956, 'kJ/mol'), T0=(300, 'K'), n=0.95)) species(label='formaldehyde', E0=(28.69, 'kcal/mol'), molecularWeight=(30.0106, "g/mol"), collisionModel=TransportData(sigma=(3.69e-10, 'm'), epsilon=(4.0, 'kJ/mol')), energyTransferModel=SingleExponentialDown(alpha0=(0.956, 'kJ/mol'), T0=(300, 'K'), n=0.95), spinMultiplicity=1, opticalIsomers=1, modes=[ HarmonicOscillator( frequencies=([1180, 1261, 1529, 1764, 2931, 2999], 'cm^-1')), NonlinearRotor(rotationalConstant=([ 1.15498821005263, 1.3156969584727, 9.45570474524524 ], "cm^-1"), symmetry=2, quantum=False), IdealGasTranslation(mass=(30.0106, "g/mol")) ]) species(label='H', E0=(0.000, 'kcal/mol'), molecularWeight=(1.00783, "g/mol"), collisionModel=TransportData(sigma=(3.69e-10, 'm'), epsilon=(4.0, 'kJ/mol')), energyTransferModel=SingleExponentialDown(alpha0=(0.956, 'kJ/mol'), T0=(300, 'K'), n=0.95), modes=[IdealGasTranslation(mass=(1.00783, "g/mol"))], spinMultiplicity=2, opticalIsomers=1) transitionState( label='TS3', E0=(34.1, 'kcal/mol'), spinMultiplicity=2, opticalIsomers=1, frequency=(-967, 'cm^-1'), modes=[ HarmonicOscillator(frequencies=( [466, 581, 1169, 1242, 1499, 1659, 2933, 3000], 'cm^-1')), NonlinearRotor(rotationalConstant=([0.970, 1.029, 3.717], "cm^-1"), symmetry=1, quantum=False), IdealGasTranslation(mass=(31.01843, "g/mol")) ]) reactants = ['formaldehyde', 'H'] products = ['methoxy'] tunneling = 'Eckart' rxn = reaction('CH2O+H=Methoxy', reactants, products, 'TS3', tunneling=tunneling) self.assertEqual(rxn.label, 'CH2O+H=Methoxy') self.assertEqual(len(rxn.reactants), 2) self.assertEqual(len(rxn.products), 1) self.assertAlmostEqual(rxn.reactants[0].conformer.E0.value_si, 0) self.assertAlmostEqual(rxn.reactants[1].conformer.E0.value_si, 120038.96) self.assertAlmostEqual(rxn.products[0].conformer.E0.value_si, 39496.96) self.assertAlmostEqual(rxn.transition_state.conformer.E0.value_si, 142674.4) self.assertAlmostEqual(rxn.transition_state.frequency.value_si, -967.0) self.assertIsInstance(rxn.transition_state.tunneling, Eckart)