{ "ALIASES": [], "ANCILLARIES": { "hL": { "A": [ -69041.25402906665, 308.4050671457005, 0.13386061176685515, -0.005083511417836134, 3.0418461670720688e-05, -1.0361646163573567e-07, 1.8292637358463774e-10, -1.3335176454429847e-13 ], "B": [ 1, -0.0028706272355580424 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 241.04743801153018, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "hLV": { "A": [ 30568.916956079247, 63.310866916471255, -4.14817511089423, 0.0404691554363117, -0.00020844025725348347, 6.09694279087607e-07, -9.585762801170036e-10, 6.341679798797438e-13 ], "B": [ 1, -0.00286522412323467 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 517.6153991681572, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "pL": { "T_r": 345.02, "Tmax": 345.01999999999936, "Tmin": 125.45000000000002, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.05644372175876988, "n": [ -12.499645349068787, 6.002828616549345, 0.016915019734164472, -3.5468006592555676, -1.0346388890887666, -2.2559550336938123 ], "reducing_value": 2640000.0, "t": [ 1.014, 1.081, 1.41, 3.247, 5.671, 11.776 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 345.02, "Tmax": 345.01999999999936, "Tmin": 125.45000000000002, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.018024375182712493, "n": [ -8.242713023595973, 19.087798455338692, -17.233089915234846, -1.422792519033736, -3.3648176664863447, -10.213938754091759 ], "reducing_value": 2640000.0, "t": [ 1.008, 1.599, 1.665, 2.07, 4.314, 17.759 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 345.02, "Tmax": 345.01999999999936, "Tmin": 125.45000000000002, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.30131835528779405, "n": [ 7.303753750603384, -7.730626041358162, 3.674253188196436, -3.58395389631866, 5.552496612344577, -211.54319300173208 ], "reducing_value": 3340.0000000000005, "t": [ 0.517, 0.714, 1.159, 3.98, 5.488, 19.277 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 345.02, "Tmax": 345.01999999999936, "Tmin": 125.45000000000002, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.09201959542241012, "n": [ 3.329585797093735, -6.844734619770494, -1.1111833788437069, -2.0711985469576675, -4.658013576000995, 0.29142793495095165 ], "reducing_value": 3340.0000000000005, "t": [ 0.372, 0.41, 0.775, 1.882, 4.237, 8.879 ], "type": "rhoV", "using_tau_r": true }, "sL": { "A": [ -497.67819852143526, 5.825065700504642, -0.04097457935165129, 0.00020989217403128696, -7.15642139386314e-07, 1.5014461221148156e-09, -1.7545168450420925e-12, 8.670098986334465e-16 ], "B": [ 1, -0.00286763638924398 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 0.753418205089762, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "sLV": { "A": [ 1255.64016736455, -24.13974967844925, 0.22882876554527434, -0.00129931352377047, 4.587695810219604e-06, -9.882867436073294e-09, 1.1901794409304303e-11, -6.1339801487369725e-15 ], "B": [ 1, -0.0028557649686594935 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 1.764877218357328, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2012", "Tc": 345.02, "a": [ 0.04322 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 1.224 ] } }, "CAS": "76-19-7", "ENVIRONMENTAL": { "ASHRAE34": "A1", "FH": 1, "GWP100": 8830.0, "GWP20": 6310.0, "GWP500": 12500.0, "HH": 2, "Name": "R218", "ODP": -1.0, "PH": 1 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Lemmon-JCED-2006", "STATES": { "hs_anchor": { "T": 379.522, "T_units": "K", "hmolar": 64418.41576334055, "hmolar_units": "J/mol", "p": 4431361.108447599, "p_units": "Pa", "rhomolar": 3006.000000000001, "rhomolar_units": "mol/m^3", "smolar": 267.646781000206, "smolar_units": "J/mol/K" }, "reducing": { "T": 345.02, "T_units": "K", "p": 2640000, "p_units": "Pa", "rhomolar": 3340.000000000001, "rhomolar_units": "mol/m^3" }, "sat_min_liquid": { "T": 125.45, "T_units": "K", "p": 0.0020185735581448633, "p_units": "Pa", "rhomolar": 10687.00507449543, "rhomolar_units": "mol/m^3" }, "sat_min_vapor": { "T": 125.45, "T_units": "K", "p": 0.0020185735581448633, "p_units": "Pa", "rhomolar": 0.0019353026559895711, "rhomolar_units": "mol/m^3" } }, "T_max": 440, "T_max_units": "K", "Ttriple": 125.45, "Ttriple_units": "K", "accentric": 0.3172, "accentric_units": "-", "alpha0": [ { "a1": -15.6587335175, "a2": 11.4531412796, "type": "IdealGasHelmholtzLead" }, { "a": 3, "type": "IdealGasHelmholtzLogTau" }, { "n": [ 7.2198, 7.2692, 11.599 ], "t": [ 0.9448727609993625, 1.724537707958959, 4.315691843951075 ], "type": "IdealGasHelmholtzPlanckEinstein" } ], "alphar": [ { "d": [ 1, 1, 1, 3, 7, 1, 2, 5, 1, 1, 4, 2 ], "l": [ 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3 ], "n": [ 1.327, -3.8433, 0.922, 0.1136, 0.00036195, 1.1001, 1.1896, -0.025147, -0.65923, -0.027969, -0.1833, -0.02163 ], "t": [ 0.25, 1.25, 1.5, 0.25, 0.875, 2.375, 2, 2.125, 3.5, 6.5, 4.75, 12.5 ], "type": "ResidualHelmholtzPower" } ], "gas_constant": 8.314472, "gas_constant_units": "J/mol/K", "molar_mass": 0.18801933, "molar_mass_units": "kg/mol", "p_max": 20000000, "p_max_units": "Pa", "pseudo_pure": false } ], "NAME": "R218", "REFPROP_NAME": "R218", "STATES": { "critical": { "T": 345.02, "T_units": "K", "p": 2640000.0, "p_units": "Pa", "rhomolar": 3340.0000000000005, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 125.45, "T_units": "K", "p": 0.0020185735581448633, "p_units": "Pa", "rhomolar": 10687.00507449543, "rhomolar_units": "mol/m^3" }, "triple_vapor": { "T": 125.45, "T_units": "K", "p": 0.0020185735581448633, "p_units": "Pa", "rhomolar": 0.0019353026559895711, "rhomolar_units": "mol/m^3" } } }