{ "ALIASES": [ "Cis-2-Butene", "CIS-2-BUTENE", "C2BUTENE" ], "ANCILLARIES": { "hL": { "A": [ -66922.42407098407, 277.78148612938446, -0.15130099430205135, -0.0023843202839273912, 1.4021580740857181e-05, -3.88522142806311e-08, 5.368520846395539e-11, -3.045617168442195e-14 ], "B": [ 1, -0.0022732573014650195 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 379.5141907646839, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "hLV": { "A": [ 36487.27275318853, -43.76054010819725, -1.5835827315526136, 0.01372799896591459, -5.901628446007657e-05, 1.4207083253100848e-07, -1.829664217875032e-10, 9.91470658187956e-14 ], "B": [ 1, -0.002269488528428269 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 776.6897962868643, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "pL": { "T_r": 435.75, "Tmax": 435.7499999999991, "Tmin": 134.3, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.24855875518168258, "n": [ 0.0677302414418938, -4.8343076872999236, -5.4106633030712565, 41.30992857221284, -40.52816223536726, -0.6515323361189119 ], "reducing_value": 4225500.0, "t": [ 0.331, 0.886, 1.813, 2.731, 2.888, 8.459 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 435.75, "Tmax": 435.7499999999991, "Tmin": 134.3, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.2486366837373688, "n": [ 0.04889427368224387, -6.630115219199998, 1.085463127003139, -0.8224811391469051, -3.0113284495745924, -0.7621234290339737 ], "reducing_value": 4225500.0, "t": [ 0.374, 0.967, 1.328, 1.817, 3.932, 7.404 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 435.75, "Tmax": 435.7499999999991, "Tmin": 134.3, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.13490879855498905, "n": [ -2.0818345732351684, 6.807747893614343, -111.04784929056088, 120.09826778110036, -12.601532453548211, 1.7960675631510878 ], "reducing_value": 4244.0, "t": [ 0.26, 0.351, 0.795, 0.831, 1.18, 2.144 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 435.75, "Tmax": 435.7499999999991, "Tmin": 134.3, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.36720202981660455, "n": [ -84.9269743250438, 89.02084598490362, -9.271866684444854, -4.116354594069339, -1.1445772731784132, 16.852533778316815 ], "reducing_value": 4244.0, "t": [ 0.539, 0.554, 0.74, 3.876, 7.701, 19.761 ], "type": "rhoV", "using_tau_r": true }, "sL": { "A": [ -415.74751834010465, 4.533994207000514, -0.029149557752126902, 0.0001269381759537269, -3.5679528145206037e-07, 6.167728302523276e-10, -5.981079783737523e-13, 2.482397655797002e-16 ], "B": [ 1, -0.0022668772232778125 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 1.0020932282874533, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "sLV": { "A": [ 1175.810004880609, -18.981181888079256, 0.15240715252408557, -0.0007346344946213986, 2.2034515912481442e-06, -4.033076086360722e-09, 4.1278455842793726e-12, -1.8102173774102116e-15 ], "B": [ 1, -0.002244628471179516 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 2.463944819773388, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2014", "Tc": 435.75, "a": [ 0.05903 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 1.246 ] } }, "CAS": "590-18-1", "ENVIRONMENTAL": { "ASHRAE34": "UNKNOWN", "FH": 4, "GWP100": -1.0, "GWP20": -1.0, "GWP500": -1.0, "HH": 0, "Name": "cis-2-Butene", "ODP": -1.0, "PH": 1 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Lemmon-FPE-2005", "STATES": { "hs_anchor": { "T": 479.32500000000005, "T_units": "K", "hmolar": 34128.43314135877, "hmolar_units": "J/mol", "p": 6867906.448485542, "p_units": "Pa", "rhomolar": 3819.6, "rhomolar_units": "mol/m^3", "smolar": 87.08299334023519, "smolar_units": "J/mol/K" }, "reducing": { "T": 435.75, "T_units": "K", "p": 4225500, "p_units": "Pa", "rhomolar": 4244, "rhomolar_units": "mol/m^3" }, "sat_min_liquid": { "T": 134.3, "T_units": "K", "p": 0.26364996313646216, "p_units": "Pa", "rhomolar": 14084.011372882018, "rhomolar_units": "mol/m^3" }, "sat_min_vapor": { "T": 134.3, "T_units": "K", "p": 0.26364966495341174, "p_units": "Pa", "rhomolar": 0.00023611178082609332, "rhomolar_units": "mol/m^3" } }, "T_max": 525, "T_max_units": "K", "Ttriple": 134.3, "Ttriple_units": "K", "accentric": 0.20235958587, "accentric_units": "-", "alpha0": [ { "a1": 0.2591542, "a2": 2.4189888, "type": "IdealGasHelmholtzLead" }, { "a": 2.9687, "type": "IdealGasHelmholtzLogTau" }, { "n": [ 3.2375, 7.0437, 11.414, 7.3722 ], "t": [ 0.5691336775674125, 2.714859437751004, 4.800917957544463, 10.09064830751578 ], "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": [ 0.77827, -2.8064, 1.003, 0.013762, 0.085514, 0.00021268, 0.22962, -0.072442, -0.23722, -0.074071, -0.026547, 0.012032 ], "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": "cis-2-Butene", "REFPROP_NAME": "C2BUTENE", "STATES": { "critical": { "T": 435.75, "T_units": "K", "p": 4225500.0, "p_units": "Pa", "rhomolar": 4244.0, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 134.3, "T_units": "K", "p": 0.26364996313646216, "p_units": "Pa", "rhomolar": 14084.011372882018, "rhomolar_units": "mol/m^3" }, "triple_vapor": { "T": 134.3, "T_units": "K", "p": 0.26364966495341174, "p_units": "Pa", "rhomolar": 0.00023611178082609332, "rhomolar_units": "mol/m^3" } } }