{ "ALIASES": [ "Trans-2-Butene", "TRANS-2-BUTENE" ], "ANCILLARIES": { "hL": { "A": [ -54054.39383363794, -14.748864800307434, 2.7692762812607072, -0.01854504789087158, 6.7826915265854e-05, -1.4646931628986772e-07, 1.7296762691726553e-10, -8.691395180715655e-14 ], "B": [ 1, -0.0023134479625831336 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 315.3064199004757, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "hLV": { "A": [ 17349.339877801278, 381.5443166193476, -5.957905999779794, 0.03919923201006085, -0.00014822351776371312, 3.287200576497955e-07, -3.984378587097013e-10, 2.050100137868919e-13 ], "B": [ 1, -0.0023102388979115047 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 690.1807663590382, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "pL": { "T_r": 428.61, "Tmax": 428.60999999999893, "Tmin": 167.6, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.2049880396507886, "n": [ -0.02697376915863493, -6.245788479207671, -21.959477077005555, 24.065860332295973, 1.6305031975105153, -27.489279853508943 ], "reducing_value": 4027300.0, "t": [ 0.318, 0.981, 5.585, 6.385, 9.241, 12.62 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 428.61, "Tmax": 428.60999999999893, "Tmin": 167.6, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.20177588482968023, "n": [ -0.008641938102009184, -6.741491214502838, 1.5953056102326129, -3.6687386884417528, -12.58878880233942, 81.94195408868505 ], "reducing_value": 4027300.0, "t": [ 0.166, 0.996, 1.861, 3.171, 13.469, 19.684 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 428.61, "Tmax": 428.60999999999893, "Tmin": 167.6, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.7571004391082714, "n": [ -0.0369377281462134, 2.376898316062288, 5.366934661033568, -439.1416046445223, 4838.585432319588, -19854.73815702274 ], "reducing_value": 4213.0, "t": [ 0.164, 0.372, 4.422, 10.565, 14.651, 19.157 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 428.61, "Tmax": 428.60999999999893, "Tmin": 167.6, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.3673242537580834, "n": [ -11.847750420878857, 9.875166115230318, -18.597606560563445, 16.601983399575353, -4.263122348267767, -0.8330225303697664 ], "reducing_value": 4213.0, "t": [ 0.5, 0.567, 1.284, 1.423, 3.202, 4.206 ], "type": "rhoV", "using_tau_r": true }, "sL": { "A": [ -330.0413737745826, 2.5154042369909755, -0.008923684145378277, 1.531563520144006e-05, 1.1366750662734676e-08, -1.0898240969561669e-10, 1.9236927861905571e-13, -1.1840983786616879e-16 ], "B": [ 1, -0.002314005463027528 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 0.7237247915337761, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "sLV": { "A": [ 912.604074146782, -12.961450206299094, 0.09119966680484673, -0.0003859801718904496, 1.014359537005536e-06, -1.6167178239565174e-09, 1.4249953613076414e-12, -5.274190062047138e-16 ], "B": [ 1, -0.002307532523661894 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 1.7246843627835187, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2014", "Tc": 428.61, "a": [ 0.0001859, 0.05539 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 0.07485, 1.224 ] } }, "CAS": "624-64-6", "ENVIRONMENTAL": { "ASHRAE34": "UNKNOWN", "FH": 4, "GWP100": -1.0, "GWP20": -1.0, "GWP500": -1.0, "HH": 0, "Name": "trans-2-Butene", "ODP": -1.0, "PH": 1 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Lemmon-FPE-2005", "STATES": { "hs_anchor": { "T": 471.47100000000006, "T_units": "K", "hmolar": 34041.050217511554, "hmolar_units": "J/mol", "p": 6604439.631438086, "p_units": "Pa", "rhomolar": 3791.7000000000003, "rhomolar_units": "mol/m^3", "smolar": 88.21452044733194, "smolar_units": "J/mol/K" }, "reducing": { "T": 428.61, "T_units": "K", "p": 4027300, "p_units": "Pa", "rhomolar": 4213, "rhomolar_units": "mol/m^3" }, "sat_min_liquid": { "T": 167.6, "T_units": "K", "p": 0.07481669079819876, "p_units": "Pa", "rhomolar": 13140.755821358482, "rhomolar_units": "mol/m^3" }, "sat_min_vapor": { "T": 167.6, "T_units": "K", "p": 0.07481669079819876, "p_units": "Pa", "rhomolar": 0.05370261847351349, "rhomolar_units": "mol/m^3" } }, "T_max": 525, "T_max_units": "K", "Ttriple": 167.6, "Ttriple_units": "K", "accentric": 0.21007683443616, "accentric_units": "-", "alpha0": [ { "a1": 0.5917816, "a2": 2.1427758, "type": "IdealGasHelmholtzLead" }, { "a": 2.9988, "type": "IdealGasHelmholtzLogTau" }, { "n": [ 5.3276, 13.29, 9.6745, 0.40087 ], "t": [ 0.8445906535078509, 3.739996733627307, 8.700216980471756, 10.5620494155526 ], "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": [ 0.81107, -2.8846, 1.0265, 0.016591, 0.086511, 0.00023256, 0.22654, -0.072182, -0.24849, -0.071374, -0.024737, 0.011843 ], "t": [ 0.12, 1.3, 1.74, 2.1, 0.28, 0.69, 0.75, 2, 4.4, 4.7, 15, 14 ], "type": "ResidualHelmholtzPower" } ], "gas_constant": 8.314472, "gas_constant_units": "J/mol/K", "molar_mass": 0.05610631999999999, "molar_mass_units": "kg/mol", "p_max": 50000000, "p_max_units": "Pa", "pseudo_pure": false } ], "NAME": "trans-2-Butene", "REFPROP_NAME": "T2BUTENE", "STATES": { "critical": { "T": 428.61, "T_units": "K", "p": 4027300.0, "p_units": "Pa", "rhomolar": 4213.0, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 167.6, "T_units": "K", "p": 0.07481669079819876, "p_units": "Pa", "rhomolar": 13140.755821358482, "rhomolar_units": "mol/m^3" }, "triple_vapor": { "T": 167.6, "T_units": "K", "p": 0.07481669079819876, "p_units": "Pa", "rhomolar": 0.05370261847351349, "rhomolar_units": "mol/m^3" } } }