{
  "ANCILLARIES": {
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        -2.560418858096179e-07,
        3.7942712892864543e-10,
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      "Tmax": 351.155,
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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": 226.4671118512988,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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        -9.780149595541722e-10,
        6.225285033780827e-13
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      "Tmax": 351.155,
      "Tmin": 136.34,
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 504.07301520953774,
      "max_abs_error_units": "J/mol",
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      "Tmax": 351.2549999999992,
      "Tmin": 136.34,
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.01115469543861991,
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        9.276391392786632,
        -12.327153852761946,
        28.46579606476374,
        -28.570870718190093
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      "reducing_value": 5782000.0,
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        2.382,
        3.421,
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      "type": "pL",
      "using_tau_r": true
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    "rhoL": {
      "T_r": 351.255,
      "Tmax": 351.2549999999992,
      "Tmin": 136.34,
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.26499733941445225,
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        53.97035773548243,
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      "reducing_value": 8150.084599999999,
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        16.556
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      "type": "rhoLnoexp",
      "using_tau_r": false
    },
    "rhoV": {
      "T_r": 351.255,
      "Tmax": 351.2549999999992,
      "Tmin": 136.34,
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.8887882076253018,
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      "type": "rhoV",
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        6.827578371527615e-05,
        -1.451039159053914e-07,
        1.228183757995032e-10,
        7.892859692624816e-14,
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      "Tmax": 351.155,
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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": 0.6493455046475809,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
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        2.7395648184745634e-06,
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        6.111797759332594e-12,
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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": 1.558833013107913,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
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    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012",
      "Tc": 351.255,
      "a": [
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
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    {
      "BibTeX_CP0": "",
      "BibTeX_EOS": "TillnerRoth-JPCRD-1997",
      "STATES": {
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          "rhomolar_units": "mol/m^3",
          "smolar": 93.47416059796902,
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        "reducing": {
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          "hmolar": 21548.232529103938,
          "hmolar_units": "J/mol",
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          "smolar": 85.77497900866652,
          "smolar_units": "J/mol/K"
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        "sat_min_liquid": {
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          "hmolar": -992.1972213356988,
          "hmolar_units": "J/mol",
          "p": 47.999893876059375,
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          "smolar_units": "J/mol/K"
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        "sat_min_vapor": {
          "T": 136.34,
          "T_units": "K",
          "hmolar": 23114.565057462252,
          "hmolar_units": "J/mol",
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          "rhomolar": 0.04235254461811375,
          "rhomolar_units": "mol/m^3",
          "smolar": 171.3527627007359,
          "smolar_units": "J/mol/K"
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      },
      "T_max": 435,
      "T_max_units": "K",
      "Ttriple": 136.34,
      "Ttriple_units": "K",
      "acentric": 0.2769,
      "acentric_units": "-",
      "alpha0": [
        {
          "a1": -8.258096,
          "a2": 6.353098,
          "type": "IdealGasHelmholtzLead"
        },
        {
          "a": 3.004486,
          "type": "IdealGasHelmholtzLogTau"
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        {
          "n": [
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            5.794987,
            1.129475
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          "t": [
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            11.914421,
            5.1415638,
            32.768217
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          "type": "IdealGasHelmholtzPlanckEinstein"
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        {
          "d": [
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            1,
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            8,
            4,
            4,
            4,
            8,
            3,
            5,
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            3,
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            1
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          "type": "ResidualHelmholtzPower"
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      "critical_region_splines": {
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        "_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": [
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        "cV": [
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      "gas_constant": 8.314471,
      "gas_constant_units": "J/mol/K",
      "molar_mass": 0.052024,
      "molar_mass_units": "kg/mol",
      "p_max": 70000000,
      "p_max_units": "Pa",
      "pseudo_pure": false
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  ],
  "INFO": {
    "2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=6105",
    "ALIASES": [],
    "CAS": "75-10-5",
    "CHEMSPIDER_ID": 6105,
    "ENVIRONMENTAL": {
      "ASHRAE34": "A2",
      "FH": 4,
      "GWP100": 675.0,
      "GWP20": 2330.0,
      "GWP500": 205.0,
      "HH": 1,
      "Name": "R32",
      "ODP": -1.0,
      "PH": 1
    },
    "FORMULA": "C_{1}F_{2}H_{2}",
    "INCHI_KEY": "RWRIWBAIICGTTQ-UHFFFAOYSA-N",
    "INCHI_STRING": "InChI=1S/CH2F2/c2-1-3/h1H2",
    "NAME": "R32",
    "REFPROP_NAME": "R32",
    "SMILES": "C(F)F"
  },
  "STATES": {
    "critical": {
      "T": 351.255,
      "T_units": "K",
      "hmolar": 21545.57934334372,
      "hmolar_units": "J/mol",
      "p": 5782000.0,
      "p_units": "Pa",
      "rhomolar": 8150.084599999999,
      "rhomolar_units": "mol/m^3",
      "smolar": 85.7689457973032,
      "smolar_units": "J/mol/K"
    },
    "triple_liquid": {
      "T": 136.34,
      "T_units": "K",
      "hmolar": -992.1972213356988,
      "hmolar_units": "J/mol",
      "p": 47.999893876059375,
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      "rhomolar": 27473.344990002282,
      "rhomolar_units": "mol/m^3",
      "smolar": -5.46080831131372,
      "smolar_units": "J/mol/K"
    },
    "triple_vapor": {
      "T": 136.34,
      "T_units": "K",
      "hmolar": 23114.565057462252,
      "hmolar_units": "J/mol",
      "p": 47.99989396204481,
      "p_units": "Pa",
      "rhomolar": 0.04235254461811375,
      "rhomolar_units": "mol/m^3",
      "smolar": 171.3527627007359,
      "smolar_units": "J/mol/K"
    }
  },
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Huber-IECR-2003",
      "f_int": {
        "T_reducing": 1.0,
        "T_reducing_units": "K",
        "a": [
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        ],
        "t": [
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      },
      "psi": {
        "a": [
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        "rhomolar_reducing": 8150.0,
        "rhomolar_reducing_units": "mol/m^3",
        "t": [
          0,
          1
        ]
      },
      "q_D": 1999999999.9999998,
      "q_D_units": "m",
      "reference_fluid": "Propane",
      "type": "ECS"
    },
    "viscosity": [
      {
        "BibTeX": "Bell-PURDUE-2016-ETA",
        "C": 0.79022,
        "c_liq": [
          0.6100913843,
          0.4508958312,
          -0.017063,
          0.000564
        ],
        "c_vap": [
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          -0.308598,
          0.035317
        ],
        "rhosr_critical": -107473.04273260638,
        "type": "rhosr-CS",
        "x_crossover": 2
      },
      {
        "BibTeX": "Huber-IECR-2003",
        "epsilon_over_k": 289.65,
        "epsilon_over_k_units": "K",
        "psi": {
          "a": [
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            0.0
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          "rhomolar_reducing": 8150.0,
          "rhomolar_reducing_units": "mol/m^3",
          "t": [
            0,
            1,
            2
          ]
        },
        "reference_fluid": "Propane",
        "sigma_eta": 4.098e-10,
        "sigma_eta_units": "m",
        "type": "ECS"
      }
    ]
  }
}