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CoolProp/dev/fluids/D4.json

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{
"ANCILLARIES": {
"hL": {
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-259.5824525367737,
7.7466602220457625,
-0.03374381260781217,
8.34837843851262e-05,
-1.2471898607314322e-07,
1.0254734748781992e-10,
-3.584750583698682e-14
],
"B": [
1,
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],
"Tmax": 586.4,
"Tmin": 290.25,
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 859.2049677024115,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
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3672.274774264113,
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1.2766815097982976e-13
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1,
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],
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"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 1564.3618616496883,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"pS": {
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"Tmin": 290.25,
"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.010942245797573857,
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0.5345899746797975,
4.012049466701194,
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0.064,
0.367,
0.10600000000000001,
0.5,
1.1666666666666667,
3.6666666666666665
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},
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3713.384933876656,
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138.43012562471498,
0.5512142245482865
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0.089,
0.093,
0.095,
0.3575,
0.364,
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0.24842573546167623,
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0.3110259942331251,
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],
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0.060000000000000005,
0.079,
0.39849999999999997,
1.0,
1.6666666666666667,
3.5
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5.2701691381899,
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6.508498985079078e-06,
2.3338668092890836e-08,
-7.099174606219544e-11,
7.85860536033957e-14,
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],
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1,
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],
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"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
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"type": "rational_polynomial"
},
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1324.7254739088855,
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0.0376176101465594,
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1.7090250295500776e-10,
-2.2266260282317656e-13,
9.806408211682e-17
],
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1,
-0.0016901403551378739
],
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"Tmin": 290.25,
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 2.6678225424245605,
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"type": "rational_polynomial"
},
"surface_tension": {
"BibTeX": "Mulero-JPCRD-2014",
"Tc": 586.5,
"a": [
0.04246
],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
"n": [
1.207
]
}
},
"EOS": [
{
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"BibTeX_EOS": "Thol-THESIS-2015",
"STATES": {
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},
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},
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}
},
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"acentric": 0.5981248267987835,
"acentric_units": "-",
"alpha0": [
{
"_note": "a1 and a2 calculated by IB. Values in Thol thesis incorrect",
"a1": 71.1636049792958,
"a2": -21.6743650975623,
"type": "IdealGasHelmholtzLead"
},
{
"a": 3,
"type": "IdealGasHelmholtzLogTau"
},
{
"n": [
0.292757,
38.2456,
58.975
],
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0.06820119352088662,
0.3410059676044331,
3.0690537084398977
],
"type": "IdealGasHelmholtzPlanckEinstein"
}
],
"alphar": [
{
"d": [
4,
1,
1,
2,
3,
1,
3,
2,
2,
7
],
"l": [
0,
0,
0,
0,
0,
2,
2,
1,
2,
1
],
"n": [
0.05273743,
4.176401,
-4.73707,
-1.289588,
0.5272749,
-2.558391,
-0.9726737,
0.7208209,
-0.4789456,
-0.05563239
],
"t": [
1.0,
0.27,
0.51,
0.998,
0.56,
1.75,
3.09,
0.79,
2.71,
0.998
],
"type": "ResidualHelmholtzPower"
},
{
"beta": [
0.75,
0.55,
1,
0.47,
1.36
],
"d": [
1,
1,
3,
2,
2
],
"epsilon": [
0.926,
1.3,
1.114,
0.996,
0.483
],
"eta": [
0.861,
1.114,
1.01,
1.11,
1.032
],
"gamma": [
1.124,
1.388,
1.148,
1.197,
0.817
],
"n": [
3.766589,
0.08786997,
-0.1267646,
-1.004246,
-1.641887
],
"t": [
0.93,
3.17,
1.08,
1.41,
0.89
],
"type": "ResidualHelmholtzGaussian"
}
],
"gas_constant": 8.3144621,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.29661576,
"molar_mass_units": "kg/mol",
"p_max": 180000000.0,
"p_max_units": "Pa",
"pseudo_pure": false
},
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Colonna-FPE-2006",
"STATES": {
"hs_anchor": {
"T": 645.1403990570001,
"T_units": "K",
"hmolar": 125575.49724587749,
"hmolar_units": "J/mol",
"p": 2353169.494223387,
"p_units": "Pa",
"rhomolar": 931.6100790000011,
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"smolar": 227.67734367915278,
"smolar_units": "J/mol/K"
},
"reducing": {
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"T_units": "K",
"hmolar": 89345.78916363802,
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"p": 1332000,
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"rhomolar": 1035.122310000001,
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"smolar": 170.5022172629333,
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},
"sat_min_liquid": {
"T": 290.25,
"T_units": "K",
"hmolar": -77643.64716249761,
"hmolar_units": "J/mol",
"p": 69.6092376840441,
"p_units": "Pa",
"rhomolar": 3200.4450981169975,
"rhomolar_units": "mol/m^3",
"smolar": -211.68352057551905,
"smolar_units": "J/mol/K"
},
"sat_min_vapor": {
"T": 290.25,
"T_units": "K",
"hmolar": -21203.0468911916,
"hmolar_units": "J/mol",
"p": 69.60923775666659,
"p_units": "Pa",
"rhomolar": 0.028853717881124525,
"rhomolar_units": "mol/m^3",
"smolar": -17.228394758947186,
"smolar_units": "J/mol/K"
}
},
"T_max": 673,
"T_max_units": "K",
"Ttriple": 290.25,
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"acentric": 0.592,
"acentric_units": "-",
"alpha0": [
{
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"a2": -14.02099419676275,
"type": "IdealGasHelmholtzLead"
},
{
"a": -1,
"type": "IdealGasHelmholtzLogTau"
},
{
"T0": 448.503917912145,
"Tc": 586.49127187,
"cp_over_R": -2.19568963609475,
"type": "IdealGasHelmholtzCP0Constant"
},
{
"T0": 448.503917912145,
"Tc": 586.49127187,
"c": [
0.171652511428266,
-0.000119093551580906,
3.60816657991031e-08
],
"t": [
1,
2,
3
],
"type": "IdealGasHelmholtzCP0PolyT"
},
{
"a1": -36.9617168387456,
"a2": 22.2512527290327,
"reference": "NBP",
"type": "IdealGasHelmholtzEnthalpyEntropyOffset"
}
],
"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": [
1.05392408,
-2.22981918,
0.77573923,
-0.6937405,
0.18721557,
0.0004219333,
0.70301835,
0.047851888,
-0.8025348,
-0.18968872,
-0.022211781,
0.0060103354
],
"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": 586.5,
"T_min": 585.8223731516954,
"_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,
-7.862666279638519e-06,
0.016211685644670307,
578.1434596708557
],
"cV": [
6.746394257626074e-08,
-0.00021062780266197875,
0.2191796259421155,
510.4803477882244
],
"rhomolar_max": 1324.4971267138706,
"rhomolar_min": 824.503552249034
},
"gas_constant": 8.314472,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.29661576,
"molar_mass_units": "kg/mol",
"p_max": 30000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"INFO": {
"2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=10696",
"ALIASES": [
"Octamethylcyclotetrasiloxane",
"OCTAMETHYLCYCLOTETRASILOXANE"
],
"CAS": "556-67-2",
"CHEMSPIDER_ID": 10696,
"ENVIRONMENTAL": {
"ASHRAE34": "UNKNOWN",
"FH": -1,
"GWP100": -1.0,
"GWP20": -1.0,
"GWP500": -1.0,
"HH": -1,
"Name": "D4",
"ODP": -1.0,
"PH": -1
},
"FORMULA": "C_{8}H_{24}O_{4}Si_{4}",
"INCHI_KEY": "HMMGMWAXVFQUOA-UHFFFAOYSA-N",
"INCHI_STRING": "InChI=1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3",
"NAME": "D4",
"REFPROP_NAME": "D4",
"SMILES": "C[Si]1(O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)C"
},
"STATES": {
"critical": {
"T": 586.5,
"T_units": "K",
"hmolar": 96114.01869842727,
"hmolar_units": "J/mol",
"p": 1347215.3560904593,
"p_units": "Pa",
"rhomolar": 1043.0,
"rhomolar_units": "mol/m^3",
"smolar": 183.42688650914963,
"smolar_units": "J/mol/K"
},
"triple_liquid": {
"T": 290.25,
"T_units": "K",
"hmolar": -85385.52207776852,
"hmolar_units": "J/mol",
"p": 73.06609963813099,
"p_units": "Pa",
"rhomolar": 3235.579181327206,
"rhomolar_units": "mol/m^3",
"smolar": -233.01079773419227,
"smolar_units": "J/mol/K"
},
"triple_vapor": {
"T": 290.25,
"T_units": "K",
"hmolar": -29470.25393344716,
"hmolar_units": "J/mol",
"p": 73.06609963813099,
"p_units": "Pa",
"rhomolar": 0.03028424286845063,
"rhomolar_units": "mol/m^3",
"smolar": -40.36560171585889,
"smolar_units": "J/mol/K"
}
}
}
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