{ "ALIASES": [ "Dodecamethylpentasiloxane", "DODECAMETHYLPENTASILOXANE" ], "ANCILLARIES": { "pL": { "T_r": 628.36, "Tmax": 628.3599999999988, "Tmin": 192.0, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.025890264817562958, "n": [ -10.453673923336904, 2.481740868042947, -11.432996001913109, 6.601821622186919, -5.964966309512551, -7.694099935065695 ], "reducing_value": 945000.0, "t": [ 1.015, 1.281, 2.914, 3.079, 4.049, 12.555 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 628.36, "Tmax": 628.3599999999988, "Tmin": 192.0, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.062049678581188594, "n": [ -8.949699956067297, 0.4122742171095244, -9.899582759727936, 1.1051818846570594, -10.457795793253178, 11.86348703188236 ], "reducing_value": 945000.0, "t": [ 0.991, 1.154, 3.408, 7.711, 11.313, 18.134 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 628.36, "Tmax": 628.3599999999988, "Tmin": 192.0, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.9412402880123238, "n": [ 3.908835698000551, -1.7671208917208399, 9.16107326877534, -11.915428003947813, 5.425025736986464, -2.1727181064864802 ], "reducing_value": 685.7981626999992, "t": [ 0.371, 0.453, 1.774, 2.156, 3.401, 7.268 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 628.36, "Tmax": 628.3599999999988, "Tmin": 192.0, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 1.090311933515531, "n": [ 0.01880314261439147, -2.1886134791566874, -5.398887457148687, 9.132545382573525, -19.85612989152667, -35.776997465430505 ], "reducing_value": 685.7981626999992, "t": [ 0.071, 0.343, 0.856, 2.418, 2.94, 16.829 ], "type": "rhoV", "using_tau_r": true } }, "CAS": "141-63-9", "CRITICAL": { "T": 628.36, "T_units": "K", "p": 945000.0, "p_units": "Pa", "rhomolar": 685.7981626999992, "rhomolar_units": "mol/m^3" }, "ENVIRONMENTAL": { "ASHRAE34": "UNKNOWN", "FH": 2, "GWP100": -1.0, "GWP20": -1.0, "GWP500": -1.0, "HH": 1, "Name": "MD3M", "ODP": -1.0, "PH": 0 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Colonna-FPE-2008", "T_max": 673, "T_max_units": "K", "Ttriple": 192, "Ttriple_units": "K", "accentric": 0.722, "accentric_units": "-", "alpha0": [ { "a1": -7.835183629103501, "a2": 8.367692358068204, "type": "IdealGasHelmholtzLead" }, { "a": -1, "type": "IdealGasHelmholtzLogTau" }, { "T0": 503.022623775204, "Tc": 628.36, "c": [ 55.71009199381512, 115.1245683430048, 2117.1, 88.79697953159261, 908.5 ], "type": "IdealGasHelmholtzCP0AlyLee" }, { "a1": 10.9232086184983, "a2": -6.79248521719259, "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": [ 1.20540386, -2.42914797, 0.69016432, -0.69268041, 0.18506046, 0.00031161436, 0.99862519, 0.074229034, -0.80259136, -0.20865337, -0.036461791, 0.019174051 ], "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": 0.384839, "molar_mass_units": "kg/mol", "p_max": 30000000, "p_max_units": "Pa", "pseudo_pure": false, "ptriple": 2.057747644e-07, "ptriple_units": "Pa", "reducing_state": { "T": 628.36, "T_units": "K", "p": 945000, "p_units": "Pa", "rhomolar": 685.7981626999992, "rhomolar_units": "mol/m^3" }, "rhoLtriple": 2541.796114376564, "rhoLtriple_units": "mol/m^3", "rhoVtriple": 1.289360613297565e-10, "rhoVtriple_units": "mol/m^3" } ], "NAME": "MD3M", "REFPROP_NAME": "MD3M" }