{ "ALIASES": [ "Decamethyltetrasiloxane", "DECAMETHYLTETRASILOXANE" ], "ANCILLARIES": { "hL": { "A": [ -409156.2176989844, 1603.9439110669605, -4.127904624935681, 0.010874696136262421, -1.7436189678377247e-05, 1.1967611866383569e-08, -2.4136883261711447e-13, -2.7160744451400815e-15 ], "B": [ 1, -0.0016542022047527124 ], "Tmax": 599.3, "Tmin": 205.20000000000002, "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 749.4868420666826, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "hLV": { "A": [ 96145.00379354393, -181.86739735037852, -1.4793979704237565, 0.010363934327120617, -3.222000438007052e-05, 5.558636785434309e-08, -5.161662633547088e-11, 2.0309057431142436e-14 ], "B": [ 1, -0.0016464321576444732 ], "Tmax": 599.3, "Tmin": 205.20000000000002, "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 1826.5377468383158, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "pL": { "T_r": 599.4, "Tmax": 599.3999999999985, "Tmin": 205.2, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.015911818413938406, "n": [ -2.4298546077341765, -8.21698111216424, 10.985237560743148, -10.371245604660867, -6.479810115178545, -7.618743506292183 ], "reducing_value": 1227000.0, "t": [ 0.947, 1.036, 1.62, 1.908, 3.756, 13.562 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 599.4, "Tmax": 599.3999999999985, "Tmin": 205.2, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.044312950276337304, "n": [ 156.1113572601426, -164.62126787390693, 1.542332070759232, -1.6595566560133137, -7.331305000038265, -3.9960179968946954 ], "reducing_value": 1227000.0, "t": [ 0.905, 0.908, 1.689, 2.4, 3.317, 9.992 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 599.4, "Tmax": 599.3999999999985, "Tmin": 205.2, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.7458599587937931, "n": [ 5.149366412867287, -3.74559401424497, 5.916251369639319, -4.86398948926266, 119.61817797890352, -210.7258774176346 ], "reducing_value": 914.6616014999984, "t": [ 0.425, 0.548, 1.612, 1.969, 12.198, 13.895 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 599.4, "Tmax": 599.3999999999985, "Tmin": 205.2, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 1.4890727440140417, "n": [ -0.11322403921855548, -5.400575739692096, -5.64304102079293, -25.864491940816304, 53.18850232422741, -132.89980126138155 ], "reducing_value": 914.6616014999984, "t": [ 0.113, 0.533, 2.232, 6.521, 9.438, 15.582 ], "type": "rhoV", "using_tau_r": true }, "sL": { "A": [ -1791.152450041009, 14.410206292842274, -0.07018104672162193, 0.0002327543285098612, -4.932399504842799e-07, 6.358516131458022e-10, -4.570271990079547e-13, 1.4065377612568165e-16 ], "B": [ 1, -0.001642026455834543 ], "Tmax": 599.3, "Tmin": 205.20000000000002, "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 1.6418006088607768, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "sLV": { "A": [ 2042.1839499544521, -23.536192144935857, 0.13305911289944694, -0.0004509499144076466, 9.537416855821395e-07, -1.234780996981546e-09, 8.961131940684081e-13, -2.791303559999101e-16 ], "B": [ 1, -0.0016331216802869058 ], "Tmax": 599.3, "Tmin": 205.20000000000002, "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 3.691600714852041, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2014", "Tc": 599.4, "a": [ 0.0456 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 1.41 ] } }, "CAS": "141-62-8", "ENVIRONMENTAL": { "ASHRAE34": "UNKNOWN", "FH": 2, "GWP100": -1.0, "GWP20": -1.0, "GWP500": -1.0, "HH": 1, "Name": "MD2M", "ODP": -1.0, "PH": 0 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Colonna-FPE-2008", "STATES": { "hs_anchor": { "T": 659.34, "T_units": "K", "hmolar": 140151.8399978135, "hmolar_units": "J/mol", "p": 2287670.869856149, "p_units": "Pa", "rhomolar": 823.1954413499985, "rhomolar_units": "mol/m^3", "smolar": 246.5334098418988, "smolar_units": "J/mol/K" }, "reducing": { "T": 599.4, "T_units": "K", "hmolar": 97663.98136628933, "hmolar_units": "J/mol", "p": 1227000, "p_units": "Pa", "rhomolar": 914.6616014999984, "rhomolar_units": "mol/m^3", "smolar": 180.9257990278945, "smolar_units": "J/mol/K" }, "sat_min_liquid": { "T": 205.2, "T_units": "K", "hmolar": -142184.4454086208, "hmolar_units": "J/mol", "p": 0.00047968410559044684, "p_units": "Pa", "rhomolar": 3032.118856039172, "rhomolar_units": "mol/m^3", "smolar": -437.2291780769558, "smolar_units": "J/mol/K" }, "sat_min_vapor": { "T": 205.2, "T_units": "K", "hmolar": -73256.22841254069, "hmolar_units": "J/mol", "p": 0.00047950993795486404, "p_units": "Pa", "rhomolar": 2.810512915459971e-07, "rhomolar_units": "mol/m^3", "smolar": -101.32168784264688, "smolar_units": "J/mol/K" } }, "T_max": 673, "T_max_units": "K", "Ttriple": 205.2, "Ttriple_units": "K", "accentric": 0.668, "accentric_units": "-", "alpha0": [ { "a1": -7.756334333038524, "a2": 8.304835522982922, "type": "IdealGasHelmholtzLead" }, { "a": -1, "type": "IdealGasHelmholtzLogTau" }, { "T0": 467.506025761878, "Tc": 599.4, "c": [ 39.91834959574101, 93.46354164160995, 1813.8, 62.70993515884111, 795.1 ], "type": "IdealGasHelmholtzCP0AlyLee" }, { "a1": 9.28428984830427, "a2": -5.60685303331121, "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": [ 1.33840331, -2.62939393, 0.4398383, -0.53496715, 0.1818844, 0.00040774609, 1.13444506, 0.05774631, -0.5917498, -0.11020225, -0.034942635, 0.007646298 ], "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" } ], "gas_constant": 8.314472, "gas_constant_units": "J/mol/K", "molar_mass": 0.310685, "molar_mass_units": "kg/mol", "p_max": 30000000, "p_max_units": "Pa", "pseudo_pure": false } ], "NAME": "MD2M", "REFPROP_NAME": "MD2M", "STATES": { "critical": { "T": 599.4, "T_units": "K", "p": 1227000.0, "p_units": "Pa", "rhomolar": 914.6616014999984, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 205.2, "T_units": "K", "hmolar": -142184.4454086208, "hmolar_units": "J/mol", "p": 0.00047968410559044684, "p_units": "Pa", "rhomolar": 3032.118856039172, "rhomolar_units": "mol/m^3", "smolar": -437.2291780769558, "smolar_units": "J/mol/K" }, "triple_vapor": { "T": 205.2, "T_units": "K", "hmolar": -73256.22841254069, "hmolar_units": "J/mol", "p": 0.00047950993795486404, "p_units": "Pa", "rhomolar": 2.810512915459971e-07, "rhomolar_units": "mol/m^3", "smolar": -101.32168784264688, "smolar_units": "J/mol/K" } } }