{
  "ALIASES": [
    "R236fa"
  ], 
  "ANCILLARIES": {
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        181.64639630706733, 
        3.246925339773403, 
        -0.029248096962148605, 
        0.00012544041328450036, 
        -3.0338809695826377e-07, 
        3.9258892923414643e-10, 
        -2.1313226114278644e-13
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        -0.0024892625525759636
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 290.23240463655566, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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        965.3745171983893, 
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        0.1037110531679675, 
        -0.00040805028641448596, 
        9.355249647914637e-07, 
        -1.1696425415721625e-09, 
        6.199020621810232e-13
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        -0.0024874907035567955
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 652.058897018715, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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      "Tmax": 398.0699999999993, 
      "Tmin": 179.6, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.029205453110847657, 
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        0.012816148225752128, 
        -6.97674339296593, 
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        -3.905418212194194
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      "reducing_value": 3200000.0, 
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        0.971, 
        2.069, 
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        5.366
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      "type": "pL", 
      "using_tau_r": true
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      "T_r": 398.07, 
      "Tmax": 398.0699999999993, 
      "Tmin": 179.6, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.28623680659642936, 
      "n": [
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        -8.044729321497613, 
        6.37817405215639, 
        -9.393255336834992, 
        -2.374713790526613, 
        -957.7075963285336
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      "reducing_value": 3200000.0, 
      "t": [
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        1.035, 
        2.14, 
        2.75, 
        6.783, 
        19.623
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      "type": "pV", 
      "using_tau_r": true
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    "rhoL": {
      "T_r": 398.07, 
      "Tmax": 398.0699999999993, 
      "Tmin": 179.6, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.12903740875118697, 
      "n": [
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        2.32975618477472, 
        0.44026610528146576, 
        0.18569408128843393, 
        0.41600763700797233, 
        0.3257761223988926
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      "reducing_value": 3626.0, 
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        1.15, 
        3.764
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      "type": "rhoLnoexp", 
      "using_tau_r": false
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      "Tmax": 398.0699999999993, 
      "Tmin": 179.6, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.5486542157663976, 
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        -7.207160418715132, 
        47.73949958715277, 
        -59.040754885379386, 
        33.03413077298916, 
        -27.228555278145553
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      "reducing_value": 3626.0, 
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        2.91, 
        3.307, 
        5.447, 
        6.392
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      "type": "rhoV", 
      "using_tau_r": true
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        7.735411650208821, 
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        0.00018387753343467622, 
        -4.382484645814363e-07, 
        5.997600781237898e-10, 
        -4.036414156136976e-13, 
        7.940846375186454e-17
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        -0.002488637006039414
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      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.7421106932479589, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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        0.14113283205914331, 
        -0.000588208450610476, 
        1.4831079706910145e-06, 
        -2.1962389404300033e-09, 
        1.7057974023838458e-12, 
        -4.964228463918875e-16
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        -0.002486449579541035
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      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 1.6824752605728324, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 398.07, 
      "a": [
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
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  }, 
  "CAS": "690-39-1", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "A1", 
    "FH": 0, 
    "GWP100": 9810.0, 
    "GWP20": 8100.0, 
    "GWP500": 7660.0, 
    "HH": 1, 
    "Name": "R236FA", 
    "ODP": -1.0, 
    "PH": 1
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  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Pan-FPE-2012", 
      "STATES": {
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          "hmolar": 68174.83773075993, 
          "hmolar_units": "J/mol", 
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          "rhomolar": 3263.4, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 255.52310767395352, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
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          "T_units": "K", 
          "p": 3200000, 
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          "rhomolar": 3626, 
          "rhomolar_units": "mol/m^3"
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        "sat_min_liquid": {
          "T": 179.60000000000002, 
          "T_units": "K", 
          "p": 160.32677882015295, 
          "p_units": "Pa", 
          "rhomolar": 11234.505561902242, 
          "rhomolar_units": "mol/m^3"
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        "sat_min_vapor": {
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          "T_units": "K", 
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          "rhomolar": 0.10739880724453099, 
          "rhomolar_units": "mol/m^3"
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      "T_max": 400, 
      "T_max_units": "K", 
      "Ttriple": 179.6, 
      "Ttriple_units": "K", 
      "accentric": 0.3769117976336991, 
      "accentric_units": "-", 
      "alpha0": [
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          "a1": -17.5983849, 
          "a2": 8.87150449, 
          "type": "IdealGasHelmholtzLead"
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        {
          "a": 9.175, 
          "type": "IdealGasHelmholtzLogTau"
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        {
          "n": [
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            18.236, 
            49.934
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          "t": [
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            6.014017635089306, 
            13.03288366367724
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          "type": "IdealGasHelmholtzPlanckEinstein"
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      "alphar": [
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            3, 
            1, 
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            2, 
            2, 
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          "l": [
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          "n": [
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          "type": "ResidualHelmholtzPower"
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        {
          "beta": [
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          "d": [
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            2
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          "epsilon": [
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          "eta": [
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          "gamma": [
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          "n": [
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            -1.007176, 
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          "t": [
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          "type": "ResidualHelmholtzGaussian"
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      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.1520384, 
      "molar_mass_units": "kg/mol", 
      "p_max": 70000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "R236FA", 
  "REFPROP_NAME": "R236FA", 
  "STATES": {
    "critical": {
      "T": 398.07, 
      "T_units": "K", 
      "p": 3200000.0, 
      "p_units": "Pa", 
      "rhomolar": 3626.0, 
      "rhomolar_units": "mol/m^3"
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    "triple_liquid": {
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      "T_units": "K", 
      "p": 160.32677882015295, 
      "p_units": "Pa", 
      "rhomolar": 11234.505561902242, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 179.60000000000002, 
      "T_units": "K", 
      "p": 160.3267787631983, 
      "p_units": "Pa", 
      "rhomolar": 0.10739880724453099, 
      "rhomolar_units": "mol/m^3"
    }
  }
}