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CoolProp/dev/fluids/Isopentane.json

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{
"ANCILLARIES": {
"hL": {
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407.1686952618352,
-1.314013986481387,
0.005591637830643131,
-1.5880702336452645e-05,
2.5176795728858165e-08,
-2.1153944319560613e-11,
6.739639766434883e-15
],
"B": [
1,
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],
"Tmax": 460.25,
"Tmin": 112.65,
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 425.5877797530011,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"hLV": {
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47155.48957014673,
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0.844421424907221,
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1.4210796247532407e-08,
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1.8437639070453938e-14
],
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],
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"Tmin": 112.65,
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 964.1487833484193,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"melting_line": {
"BibTeX": "Reeves-JCP-1964",
"T_m": 113.22999999999999,
"parts": [
{
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"T_max": 212.16,
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"a": 591600000.0,
"c": 1.563,
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}
],
"type": "Simon"
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"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.016885314228098913,
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4.597427498957886,
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0.893056340939176,
-3.317655495530999
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"t": [
1.02,
1.348,
1.678,
4.158,
11.692,
14.291
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"type": "pV",
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},
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"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
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0.291792033747788,
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50.602054710991816,
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"t": [
0.335,
0.852,
2.009,
4.806,
14.584,
15.417
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"type": "rhoLnoexp",
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"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
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4.916720756118398,
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0.477,
1.313,
5.085,
6.047,
14.238
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0.00017942518580699236,
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1.0422293523337276e-09,
-1.0882935361468606e-12,
4.842018291133487e-16
],
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1,
-0.002095330499407403
],
"Tmax": 460.25,
"Tmin": 112.65,
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 1.3276319306953397,
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"type": "rational_polynomial"
},
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0.20869401636121118,
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3.3294251189559573e-06,
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6.683391711832302e-12,
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1,
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],
"Tmax": 460.25,
"Tmin": 112.65,
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 3.736426272805695,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"surface_tension": {
"BibTeX": "Mulero-JPCRD-2012",
"Tc": 460.35,
"a": [
0.051
],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
"n": [
1.209
]
}
},
"EOS": [
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Lemmon-JCED-2006",
"STATES": {
"hs_anchor": {
"T": 506.38500000000005,
"T_units": "K",
"hmolar": 46561.46210015001,
"hmolar_units": "J/mol",
"p": 5570042.134881059,
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"rhomolar": 2943.9,
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"smolar": 112.26852231198176,
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},
"reducing": {
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"hmolar": 36339.93041257654,
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"p": 3378000,
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"rhomolar": 3271,
"rhomolar_units": "mol/m^3",
"smolar": 92.56596229614416,
"smolar_units": "J/mol/K"
},
"sat_min_liquid": {
"T": 112.65,
"T_units": "K",
"hmolar": -26071.612784685585,
"hmolar_units": "J/mol",
"p": 8.949025483876957e-05,
"p_units": "Pa",
"rhomolar": 10935.889314188298,
"rhomolar_units": "mol/m^3",
"smolar": -132.87088549906255,
"smolar_units": "J/mol/K"
},
"sat_min_vapor": {
"T": 112.65,
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"hmolar": 8743.514976198454,
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"p": 8.949025483876957e-05,
"p_units": "Pa",
"rhomolar": 9.558513393991677e-08,
"rhomolar_units": "mol/m^3",
"smolar": 176.18484251588657,
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}
},
"T_max": 500,
"T_max_units": "K",
"Ttriple": 112.65,
"Ttriple_units": "K",
"acentric": 0.2274,
"acentric_units": "-",
"alpha0": [
{
"a1": 2.5822330405,
"a2": 1.1609103419,
"type": "IdealGasHelmholtzLead"
},
{
"a": 3,
"type": "IdealGasHelmholtzLogTau"
},
{
"n": [
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9.5772,
15.765,
12.119
],
"t": [
0.9601390246551537,
2.409036602584989,
4.494406429890301,
9.108287172803301
],
"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": [
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1.0317,
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0.11535,
0.00029809,
0.39571,
-0.045881,
-0.35804,
-0.10107,
-0.035484,
0.018156
],
"t": [
0.25,
1.125,
1.5,
1.375,
0.25,
0.875,
0.625,
1.75,
3.625,
3.625,
14.5,
12
],
"type": "ResidualHelmholtzPower"
}
],
"critical_region_splines": {
"T_max": 460.35,
"T_min": 460.34697325761744,
"_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": [
8.005022701910341e-10,
-8.44526357152168e-06,
0.029554133854069683,
426.02215187987395
],
"cV": [
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4.689391032778603e-06,
-0.013394755215389163,
472.83487531264404
],
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"rhomolar_min": 3197.125647678554
},
"gas_constant": 8.314472,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.07214878,
"molar_mass_units": "kg/mol",
"p_max": 1000000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"INFO": {
"2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=6308",
"ALIASES": [
"ipentane",
"R601a",
"ISOPENTANE",
"IPENTANE"
],
"CAS": "78-78-4",
"CHEMSPIDER_ID": 6308,
"ENVIRONMENTAL": {
"ASHRAE34": "A3",
"FH": 4,
"GWP100": -1.0,
"GWP20": -1.0,
"GWP500": -1.0,
"HH": 1,
"Name": "Isopentane",
"ODP": -1.0,
"PH": 0
},
"FORMULA": "C_{5}H_{12}",
"INCHI_KEY": "QWTDNUCVQCZILF-UHFFFAOYSA-N",
"INCHI_STRING": "InChI=1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3",
"NAME": "Isopentane",
"REFPROP_NAME": "IPENTANE",
"SMILES": "CCC(C)C"
},
"STATES": {
"critical": {
"T": 460.35,
"T_units": "K",
"hmolar": 36331.14951131363,
"hmolar_units": "J/mol",
"p": 3378000.0,
"p_units": "Pa",
"rhomolar": 3271.0,
"rhomolar_units": "mol/m^3",
"smolar": 92.54850436995513,
"smolar_units": "J/mol/K"
},
"triple_liquid": {
"T": 112.65,
"T_units": "K",
"hmolar": -26071.612784685585,
"hmolar_units": "J/mol",
"p": 8.949025483876957e-05,
"p_units": "Pa",
"rhomolar": 10935.889314188298,
"rhomolar_units": "mol/m^3",
"smolar": -132.87088549906255,
"smolar_units": "J/mol/K"
},
"triple_vapor": {
"T": 112.65,
"T_units": "K",
"hmolar": 8743.514976198454,
"hmolar_units": "J/mol",
"p": 8.949025483876957e-05,
"p_units": "Pa",
"rhomolar": 9.558513393991677e-08,
"rhomolar_units": "mol/m^3",
"smolar": 176.18484251588657,
"smolar_units": "J/mol/K"
}
},
"TRANSPORT": {
"conductivity": {
"BibTeX": "Vassiliou-JPCRD-2015-pentanes",
"critical": {
"GAMMA": 0.058,
"R0": 1.02,
"gamma": 1.239,
"qD": 1506024096.3855422,
"type": "simplified_Olchowy_Sengers",
"zeta0": 2.27e-10
},
"dilute": {
"A": [
0.000773049,
-0.0159754,
0.218987,
-0.329556,
0.281075,
0.053326
],
"B": [
5.10467,
-8.12044,
8.11607,
-0.294969,
1
],
"T_reducing": 460.35,
"T_reducing_units": "K",
"m": [
0,
1,
2,
3,
4
],
"n": [
0,
1,
2,
3,
4,
5
],
"type": "ratio_of_polynomials"
},
"residual": {
"B": [
-0.0117507,
0.00514003,
-0.0161346,
0.0558445,
0.0527254,
-0.0951474,
-0.027494,
0.0475268,
0.00454817,
-0.00729296
],
"T_reducing": 460.35,
"T_reducing_units": "K",
"d": [
1,
1,
2,
2,
3,
3,
4,
4,
5,
5
],
"rhomass_reducing": 236.0,
"rhomass_reducing_units": "kg/m^3",
"t": [
0,
-1,
0,
-1,
0,
-1,
0,
-1,
0,
-1
],
"type": "polynomial"
}
},
"viscosity": {
"BibTeX": "Chung-IECR-1988",
"T_critical": 460.35,
"T_critical_units": "K",
"acentric": 0.2274,
"acentric_units": "-",
"dipole_moment_D": 0.1,
"dipole_moment_D_units": "Debye",
"kappa": 0.0,
"kappa_units": "-",
"molar_mass": 0.07214878,
"molar_mass_units": "kg/mol",
"rhomolar_critical": 3271.0,
"rhomolar_critical_units": "mol/m^3",
"type": "Chung"
}
}
}
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