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CoolProp/dev/fluids/IsoButene.json

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{
"ANCILLARIES": {
"hL": {
"A": [
-59578.31581919583,
163.6773518842145,
0.8865682060481439,
-0.007904099729838864,
3.263881102288239e-05,
-7.843354763959481e-08,
1.016804027114871e-10,
-5.5812487683644466e-14
],
"B": [
1,
-0.0023698255351608222
],
"Tmax": 417.99,
"Tmin": 132.4,
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 335.0438904562552,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"hLV": {
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30688.255872116257,
35.521069639614055,
-2.377561218962597,
0.018901459023863542,
-8.038158618689064e-05,
1.9567662964939077e-07,
-2.572775340724635e-10,
1.4293353588874307e-13
],
"B": [
1,
-0.002365745485139538
],
"Tmax": 417.99,
"Tmin": 132.4,
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 692.1022926549736,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"pS": {
"T_r": 418.09,
"Tmax": 418.08999999999907,
"Tmin": 132.4,
"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.14739891561160734,
"n": [
0.01737687722206489,
-6.134166125080951,
-3.853515831640818,
8.384924413254762,
-243.10740943312803,
365.4747247586171
],
"reducing_value": 4009800.0,
"t": [
0.354,
0.969,
4.231,
10.316,
16.968,
18.914
],
"type": "pL",
"using_tau_r": true
},
"rhoL": {
"T_r": 418.09,
"Tmax": 418.08999999999907,
"Tmin": 132.4,
"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.6248238395114569,
"n": [
3.836064588981606,
-8.505454480687774,
12.985006905703951,
-10.011005004151073,
5.376836540123832,
-10.94925598220989
],
"reducing_value": 4170.0,
"t": [
0.444,
0.979,
1.37,
2.24,
3.344,
13.946
],
"type": "rhoLnoexp",
"using_tau_r": false
},
"rhoV": {
"T_r": 418.09,
"Tmax": 418.08999999999907,
"Tmin": 132.4,
"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.35084693470349704,
"n": [
-8.729642476739642,
6.811506526700638,
-6.411697069038467,
5.7983193722867306,
-6.559199615514519,
-12.258975766186447
],
"reducing_value": 4170.0,
"t": [
0.507,
0.607,
1.205,
1.898,
3.194,
18.774
],
"type": "rhoV",
"using_tau_r": true
},
"sL": {
"A": [
-360.6895477139788,
3.394148716120348,
-0.018443517336045056,
7.098896421847135e-05,
-1.7961150145436994e-07,
2.759093827856928e-10,
-2.3068567536713594e-13,
7.73886272545705e-17
],
"B": [
1,
-0.0023681627791073074
],
"Tmax": 417.99,
"Tmin": 132.4,
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 0.8397885124774085,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"sLV": {
"A": [
1090.3218500949679,
-17.87249161927589,
0.14621189925843728,
-0.0007203125070378386,
2.212039805770386e-06,
-4.149778430882853e-09,
4.355987232237954e-12,
-1.9594534608723394e-15
],
"B": [
1,
-0.0023468621318243595
],
"Tmax": 417.99,
"Tmin": 132.4,
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 2.1936352359971556,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"surface_tension": {
"BibTeX": "Mulero-JPCRD-2012",
"Tc": 418.09,
"a": [
0.0545
],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
"n": [
1.23
]
}
},
"EOS": [
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Lemmon-FPE-2005",
"STATES": {
"hs_anchor": {
"T": 459.899,
"T_units": "K",
"hmolar": 33425.00207294383,
"hmolar_units": "J/mol",
"p": 6480840.914100938,
"p_units": "Pa",
"rhomolar": 3753.0,
"rhomolar_units": "mol/m^3",
"smolar": 88.9684754307369,
"smolar_units": "J/mol/K"
},
"reducing": {
"T": 418.09,
"T_units": "K",
"hmolar": 26727.58401574626,
"hmolar_units": "J/mol",
"p": 4009800,
"p_units": "Pa",
"rhomolar": 4170,
"rhomolar_units": "mol/m^3",
"smolar": 75.11582657770936,
"smolar_units": "J/mol/K"
},
"sat_min_liquid": {
"T": 132.4,
"T_units": "K",
"hmolar": -15195.559809785855,
"hmolar_units": "J/mol",
"p": 0.6761899977345366,
"p_units": "Pa",
"rhomolar": 13666.751920875635,
"rhomolar_units": "mol/m^3",
"smolar": -78.57654913171493,
"smolar_units": "J/mol/K"
},
"sat_min_vapor": {
"T": 132.4,
"T_units": "K",
"hmolar": 13286.067352403732,
"hmolar_units": "J/mol",
"p": 0.6761899977345366,
"p_units": "Pa",
"rhomolar": 0.0006142573848970569,
"rhomolar_units": "mol/m^3",
"smolar": 136.54144888139493,
"smolar_units": "J/mol/K"
}
},
"T_max": 550,
"T_max_units": "K",
"Ttriple": 132.4,
"Ttriple_units": "K",
"acentric": 0.1925934521621,
"acentric_units": "-",
"alpha0": [
{
"a1": -0.12737888,
"a2": 2.3125128,
"type": "IdealGasHelmholtzLead"
},
{
"a": 3,
"type": "IdealGasHelmholtzLogTau"
},
{
"n": [
4.8924,
7.832,
7.2867,
8.7293
],
"t": [
0.9543399746466072,
3.037623478198474,
4.795618168336961,
9.60797914324667
],
"type": "IdealGasHelmholtzPlanckEinstein"
}
],
"alphar": [
{
"d": [
1,
1,
1,
2,
3,
7,
2,
5,
1,
4,
3,
4
],
"l": [
0,
0,
0,
0,
0,
0,
1,
1,
2,
2,
3,
3
],
"n": [
0.77111,
-2.7971,
1.0118,
0.02073,
0.085086,
0.00021968,
0.20633,
-0.078843,
-0.23726,
-0.080211,
-0.027001,
0.013072
],
"t": [
0.12,
1.3,
1.74,
2.1,
0.28,
0.69,
0.75,
2,
4.4,
4.7,
15,
14
],
"type": "ResidualHelmholtzPower"
}
],
"critical_region_splines": {
"T_max": 418.09000000000003,
"T_min": 418.08950991019015,
"_note": "Coefficients for the critical cubic spline. T = c[0]*rho^3 + c[1]*rho^2 + c[2]*rho + c[3] with rho in mol/m^3 and T in K",
"cL": [
0.0,
0.0,
-2.3926474256584434e-05,
418.18977339765
],
"cV": [
0.0,
0.0,
2.5211881942311312e-05,
417.9848664523006
],
"rhomolar_max": 4190.48316039618,
"rhomolar_min": 4150.5611571944355
},
"gas_constant": 8.314472,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.05610631999999999,
"molar_mass_units": "kg/mol",
"p_max": 50000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"INFO": {
"2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=7957",
"ALIASES": [
"Isobutene",
"ISOBUTENE",
"IBUTENE"
],
"CAS": "115-11-7",
"CHEMSPIDER_ID": 7957,
"ENVIRONMENTAL": {
"ASHRAE34": "UNKNOWN",
"FH": 4,
"GWP100": -1.0,
"GWP20": -1.0,
"GWP500": -1.0,
"HH": 1,
"Name": "Isobutene",
"ODP": -1.0,
"PH": 2
},
"FORMULA": "C_{4}H_{8}",
"INCHI_KEY": "VQTUBCCKSQIDNK-UHFFFAOYSA-N",
"INCHI_STRING": "InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3",
"NAME": "IsoButene",
"REFPROP_NAME": "IBUTENE",
"SMILES": "CC(=C)C"
},
"STATES": {
"critical": {
"T": 418.09000000000003,
"T_units": "K",
"hmolar": 26722.104559210096,
"hmolar_units": "J/mol",
"p": 4009800.0,
"p_units": "Pa",
"rhomolar": 4170.0,
"rhomolar_units": "mol/m^3",
"smolar": 75.10430252394673,
"smolar_units": "J/mol/K"
},
"triple_liquid": {
"T": 132.4,
"T_units": "K",
"hmolar": -15195.559809785855,
"hmolar_units": "J/mol",
"p": 0.6761899977345366,
"p_units": "Pa",
"rhomolar": 13666.751920875635,
"rhomolar_units": "mol/m^3",
"smolar": -78.57654913171493,
"smolar_units": "J/mol/K"
},
"triple_vapor": {
"T": 132.4,
"T_units": "K",
"hmolar": 13286.067352403732,
"hmolar_units": "J/mol",
"p": 0.6761899977345366,
"p_units": "Pa",
"rhomolar": 0.0006142573848970569,
"rhomolar_units": "mol/m^3",
"smolar": 136.54144888139493,
"smolar_units": "J/mol/K"
}
}
}
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