{
  "ALIASES": [
    "R227ea"
  ], 
  "ANCILLARIES": {
    "hL": {
      "A": [
        -70529.49388083724, 
        159.00286293881294, 
        1.9477112821133424, 
        -0.015742436119680535, 
        6.503327374350112e-05, 
        -1.6235079946814059e-07, 
        2.2440476689088385e-10, 
        -1.3335174087849645e-13
      ], 
      "B": [
        1, 
        -0.0026405490089791137
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 277.0109295672446, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "hLV": {
      "A": [
        25017.15093182292, 
        342.63932739440236, 
        -7.164716455383537, 
        0.05540352425415902, 
        -0.0002410327195377668, 
        6.113294724271282e-07, 
        -8.463717460177629e-10, 
        4.977774056045432e-13
      ], 
      "B": [
        1, 
        -0.002641080919597314
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 680.0792870368666, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "pL": {
      "T_r": 374.9, 
      "Tmax": 374.8999999999993, 
      "Tmin": 146.35, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.010578535119587507, 
      "n": [
        -7.109161477135856, 
        -0.43619976868074284, 
        5.934481777381213, 
        39.44778344273422, 
        -41.38716737709299, 
        -8.362365023243223
      ], 
      "reducing_value": 2925000.0, 
      "t": [
        0.987, 
        1.312, 
        1.927, 
        3.476, 
        3.578, 
        2.248
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 374.9, 
      "Tmax": 374.8999999999993, 
      "Tmin": 146.35, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.014130102564613445, 
      "n": [
        10.093738859898867, 
        -16.82115838958235, 
        -0.07297852700598685, 
        -14.198048704342424, 
        50.7816690049031, 
        -41.683491945535145
      ], 
      "reducing_value": 2925000.0, 
      "t": [
        0.889, 
        0.919, 
        1.495, 
        3.227, 
        3.53, 
        3.663
      ], 
      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 374.9, 
      "Tmax": 374.8999999999993, 
      "Tmin": 146.35, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.2727146007857062, 
      "n": [
        -0.037180636267061765, 
        2.2565260411325867, 
        16.777771835065064, 
        -22.313716095609287, 
        6.793310681390873, 
        -10.89306852102585
      ], 
      "reducing_value": 3495.0, 
      "t": [
        0.12, 
        0.35, 
        2.248, 
        2.467, 
        3.208, 
        12.192
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 374.9, 
      "Tmax": 374.8999999999993, 
      "Tmin": 146.35, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.7920968700624531, 
      "n": [
        -6.947050225285722, 
        123.4065348806111, 
        -122.5651518640378, 
        -9.994885618440552, 
        3.478879029818986, 
        245.61726193605475
      ], 
      "reducing_value": 3495.0, 
      "t": [
        0.434, 
        0.676, 
        0.691, 
        4.287, 
        4.613, 
        19.251
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "sL": {
      "A": [
        -474.5429739715327, 
        4.4728857918027725, 
        -0.022836763290548345, 
        8.347157451021833e-05, 
        -2.0462924729044817e-07, 
        2.9761536810986294e-10, 
        -2.1509416378987727e-13, 
        4.2508932366321974e-17
      ], 
      "B": [
        1, 
        -0.0026396149237877904
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.7552171726110544, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "sLV": {
      "A": [
        1215.2312109614159, 
        -20.27820958422197, 
        0.16637169768810653, 
        -0.0008193674686473394, 
        2.5126906259175458e-06, 
        -4.698552937835742e-09, 
        4.896979029087763e-12, 
        -2.169217117689509e-15
      ], 
      "B": [
        1, 
        -0.002636565779250786
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 1.9874808798268795, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 374.9, 
      "a": [
        0.06127, 
        -0.009516, 
        -0.00192
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.192, 
        0.9795, 
        1.421
      ]
    }
  }, 
  "CAS": "431-89-0", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "A1", 
    "FH": 0, 
    "GWP100": 3220.0, 
    "GWP20": 5310.0, 
    "GWP500": 1040.0, 
    "HH": 1, 
    "Name": "R227EA", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "McLinden-PREPRINT-2013", 
      "STATES": {
        "hs_anchor": {
          "T": 412.39, 
          "T_units": "K", 
          "hmolar": 67624.77855894624, 
          "hmolar_units": "J/mol", 
          "p": 4993978.5487574795, 
          "p_units": "Pa", 
          "rhomolar": 3145.5, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 265.3616003859794, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
          "T": 374.9, 
          "T_units": "K", 
          "p": 2925000, 
          "p_units": "Pa", 
          "rhomolar": 3495, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 146.35, 
          "T_units": "K", 
          "p": 7.331568414509409, 
          "p_units": "Pa", 
          "rhomolar": 11046.705899800065, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
          "T": 146.35, 
          "T_units": "K", 
          "p": 7.331567153207764, 
          "p_units": "Pa", 
          "rhomolar": 0.006025348183498283, 
          "rhomolar_units": "mol/m^3"
        }
      }, 
      "T_max": 475, 
      "T_max_units": "K", 
      "Ttriple": 146.35, 
      "Ttriple_units": "K", 
      "accentric": 0.3576047602255754, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": 0, 
          "a2": 0, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": 3, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
            11.43, 
            12.83
          ], 
          "t": [
            1.07495332088557, 
            3.809015737530008
          ], 
          "type": "IdealGasHelmholtzPlanckEinstein"
        }, 
        {
          "a1": -15.8290880642424, 
          "a2": 11.087938006383, 
          "reference": "IIR", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
        }
      ], 
      "alphar": [
        {
          "d": [
            1, 
            1, 
            2, 
            2, 
            4, 
            1, 
            3, 
            6, 
            6, 
            2, 
            3
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            1, 
            1, 
            2, 
            2
          ], 
          "n": [
            2.024341, 
            -2.60593, 
            0.4957216, 
            -0.824082, 
            0.06543703, 
            -1.02461, 
            0.6247065, 
            0.2997521, 
            -0.353917, 
            -1.232043, 
            -0.8824483
          ], 
          "t": [
            0.34, 
            0.77, 
            0.36, 
            0.9, 
            1, 
            2.82, 
            2.1, 
            0.9, 
            1.13, 
            3.8, 
            2.75
          ], 
          "type": "ResidualHelmholtzPower"
        }, 
        {
          "beta": [
            1.72, 
            5.2, 
            2.31, 
            1.02, 
            5.63, 
            50.9, 
            1.56
          ], 
          "d": [
            1, 
            2, 
            1, 
            1, 
            4, 
            2, 
            1
          ], 
          "epsilon": [
            1.13, 
            0.71, 
            1.2, 
            1.7, 
            0.546, 
            0.896, 
            0.747
          ], 
          "eta": [
            0.83, 
            2.19, 
            2.44, 
            3.65, 
            8.88, 
            8.23, 
            2.01
          ], 
          "gamma": [
            0.414, 
            1.051, 
            1.226, 
            1.7, 
            0.904, 
            1.42, 
            0.926
          ], 
          "n": [
            0.1349661, 
            -0.2662928, 
            0.1764733, 
            0.01536163, 
            -0.004667185, 
            -11.70854, 
            0.9114512
          ], 
          "t": [
            1.5, 
            2.5, 
            2.5, 
            5.4, 
            4, 
            1, 
            3.5
          ], 
          "type": "ResidualHelmholtzGaussian"
        }
      ], 
      "critical_region_splines": {
        "T_max": 374.90000000000003, 
        "T_min": 374.89999999993785, 
        "_note": "Coefficients for the critical cubic spline.  T = c[0]*rho^3 + c[1]*rho^2 + c[2]*rho + c[3] with rho in mol/m^3 and T in K", 
        "cL": [
          0.0, 
          0.0, 
          -4.848721869600648e-09, 
          374.90001694628296
        ], 
        "cV": [
          0.0, 
          0.0, 
          4.855705508254663e-09, 
          374.8999830293093
        ], 
        "rhomolar_max": 3495.0128237303156, 
        "rhomolar_min": 3494.9871917055066
      }, 
      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.17002886, 
      "molar_mass_units": "kg/mol", 
      "p_max": 60000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "R227EA", 
  "REFPROP_NAME": "R227EA", 
  "STATES": {
    "critical": {
      "T": 374.9, 
      "T_units": "K", 
      "p": 2925000.0, 
      "p_units": "Pa", 
      "rhomolar": 3495.0, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 146.35, 
      "T_units": "K", 
      "p": 7.331568414509409, 
      "p_units": "Pa", 
      "rhomolar": 11046.705899800065, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 146.35, 
      "T_units": "K", 
      "p": 7.331567153207764, 
      "p_units": "Pa", 
      "rhomolar": 0.006025348183498283, 
      "rhomolar_units": "mol/m^3"
    }
  }
}