{
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      "Tmax": 32.838,
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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": 1.8839993644426443,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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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": 4.195819745866146,
      "max_abs_error_units": "J/mol",
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    "melting_line": {
      "BibTeX": "Younglove-NIST-1982",
      "T_m": 18.9,
      "parts": [
        {
          "T_0": 1,
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      "type": "pV",
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      "Tmax": 32.93799999999992,
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      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
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      "type": "rhoLnoexp",
      "using_tau_r": false
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      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
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      "type": "rhoV",
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      "max_abs_error": 0.055560497640446016,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
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        8.178864846817653e-07,
        -1.9757515233710936e-09
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      "max_abs_error": 0.13255951581111702,
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      "type": "rational_polynomial"
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      "BibTeX": "Mulero-JPCRD-2012",
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
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    {
      "BibTeX_CP0": "",
      "BibTeX_EOS": "Leachman-JPCRD-2009",
      "STATES": {
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          "hmolar_units": "J/mol",
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          "smolar": 19.40392694507545,
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        "sat_min_liquid": {
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          "hmolar_units": "J/mol",
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        "sat_min_vapor": {
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          "smolar_units": "J/mol/K"
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      "T_max": 1000,
      "T_max_units": "K",
      "Ttriple": 13.8033,
      "Ttriple_units": "K",
      "acentric": -0.219,
      "acentric_units": "-",
      "alpha0": [
        {
          "a1": -1.4485891134,
          "a2": 1.884521239,
          "type": "IdealGasHelmholtzLead"
        },
        {
          "a": 1.5,
          "type": "IdealGasHelmholtzLogTau"
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        {
          "Tcrit": 32.938,
          "Tcrit_units": "K",
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          "type": "IdealGasHelmholtzPlanckEinsteinFunctionT",
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          "type": "ResidualHelmholtzGaussian"
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      "critical_region_splines": {
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        "cL": [
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      "gas_constant_units": "J/mol/K",
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      "molar_mass_units": "kg/mol",
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      "p_max_units": "Pa",
      "pseudo_pure": false
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  ],
  "INFO": {
    "ALIASES": [
      "Parahydrogen",
      "parahydrogen",
      "PARAHYDROGEN",
      "PARAHYD"
    ],
    "CAS": "1333-74-0p",
    "ENVIRONMENTAL": {
      "ASHRAE34": "UNKNOWN",
      "FH": -1,
      "GWP100": -1.0,
      "GWP20": -1.0,
      "GWP500": -1.0,
      "HH": -1,
      "Name": "ParaHydrogen",
      "ODP": -1.0,
      "PH": -1
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    "NAME": "ParaHydrogen",
    "REFPROP_NAME": "PARAHYD"
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  "STATES": {
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      "T_units": "K",
      "hmolar": 595.9457155385302,
      "hmolar_units": "J/mol",
      "p": 1285800.0,
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      "rhomolar": 15538.0,
      "rhomolar_units": "mol/m^3",
      "smolar": 19.403419963711762,
      "smolar_units": "J/mol/K"
    },
    "triple_liquid": {
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      "hmolar": -108.33542133735936,
      "hmolar_units": "J/mol",
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      "rhomolar_units": "mol/m^3",
      "smolar": -6.216955712330463,
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    },
    "triple_vapor": {
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      "T_units": "K",
      "hmolar": 798.9167188838303,
      "hmolar_units": "J/mol",
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      "rhomolar_units": "mol/m^3",
      "smolar": 59.51023485704393,
      "smolar_units": "J/mol/K"
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  },
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Assael-JPCRD-2011-Hydrogen",
      "critical": {
        "GAMMA": 0.052,
        "R0": 1.01,
        "gamma": 1.2415,
        "qD": 2000000000.0,
        "type": "simplified_Olchowy_Sengers",
        "zeta0": 1.5e-10
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      "dilute": {
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        "B": [
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        "T_reducing": 32.938,
        "T_reducing_units": "K",
        "m": [
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          5,
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        ],
        "n": [
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          3,
          4,
          5,
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        "type": "ratio_of_polynomials"
      },
      "residual": {
        "B": [
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        "T_reducing": 32.938,
        "T_reducing_units": "K",
        "d": [
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        "rhomass_reducing": 31.32274344,
        "rhomass_reducing_units": "kg/m^3",
        "t": [
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          -1,
          -1,
          -1
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        "type": "polynomial"
      }
    }
  }
}