{
  "ALIASES": [
    "deuterium", 
    "DEUTERIUM", 
    "D2"
  ], 
  "ANCILLARIES": {
    "hL": {
      "A": [
        142.20573706270545, 
        -388.17431247992545, 
        50.92150411340013, 
        -3.2787190503797596, 
        0.1250559473187705, 
        -0.002845315927149983, 
        3.572982687929778e-05, 
        -1.9148918622448812e-07
      ], 
      "B": [
        1, 
        -0.02572149122128609
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 2.3816767643807566, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "hLV": {
      "A": [
        -2547.5249465644265, 
        1004.6849731117768, 
        -119.96054896092568, 
        7.68597160045768, 
        -0.2944129225326707, 
        0.006720168624233064, 
        -8.458382239101899e-05, 
        4.54033966232595e-07
      ], 
      "B": [
        1, 
        -0.02569380935774139
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 5.1567028571888045, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "pL": {
      "T_r": 38.34, 
      "Tmax": 38.33999999999991, 
      "Tmin": 18.72400000000001, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.005537849329229072, 
      "n": [
        4.632619255906051, 
        -8.969455942164178, 
        0.5664073789158284, 
        -0.09981074464874193, 
        -0.3596187124547404, 
        -0.23569604663548424
      ], 
      "reducing_value": 1679600.0, 
      "t": [
        0.765, 
        0.849, 
        2.072, 
        0.484, 
        6.894, 
        14.564
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 38.34, 
      "Tmax": 38.33999999999991, 
      "Tmin": 18.72400000000001, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.006717131880518146, 
      "n": [
        -6.8424011367748685, 
        21.870806001345017, 
        -19.797819519619072, 
        0.8706987240797549, 
        -186.1498120750357, 
        825.2792959297736
      ], 
      "reducing_value": 1679600.0, 
      "t": [
        1.026, 
        1.438, 
        1.474, 
        1.966, 
        15.756, 
        18.491
      ], 
      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 38.34, 
      "Tmax": 38.33999999999991, 
      "Tmin": 18.72400000000001, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.17429991279744872, 
      "n": [
        -3.7327374059367657, 
        5.717877520193506, 
        -7.7160148356330875, 
        8.271326329456837, 
        -3.540310397292104, 
        6126.25395082707
      ], 
      "reducing_value": 17230.0, 
      "t": [
        0.281, 
        0.319, 
        1.913, 
        1.992, 
        6.17, 
        19.493
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 38.34, 
      "Tmax": 38.33999999999991, 
      "Tmin": 18.72400000000001, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.0174186911302332, 
      "n": [
        -0.10109803867705139, 
        -4.563691481638655, 
        3.3301365272696226, 
        -4.503537024711251, 
        3.823445254078357, 
        -2.0240887330256525
      ], 
      "reducing_value": 17230.0, 
      "t": [
        0.266, 
        0.576, 
        1.105, 
        1.725, 
        2.526, 
        3.959
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "sL": {
      "A": [
        -31.85814935396902, 
        -4.977811492737414, 
        0.9578494092646991, 
        -0.067949356702046, 
        0.0027033285748731435, 
        -6.303904664704846e-05, 
        8.04968457370522e-07, 
        -4.364449075416428e-09
      ], 
      "B": [
        1, 
        -0.02572844623266042
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.060586293911335076, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "sLV": {
      "A": [
        254.53855072679576, 
        -24.156358037050865, 
        0.7537041537435683, 
        0.016472627204618166, 
        -0.0021297717845510686, 
        7.161833788601245e-05, 
        -1.1092016930111143e-06, 
        6.79327502468355e-09
      ], 
      "B": [
        1, 
        -0.02569685779284826
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.13354546382785593, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 38.34, 
      "a": [
        0.009376
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.258
      ]
    }
  }, 
  "CAS": "7782-39-0", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": -1, 
    "GWP100": 0.0, 
    "GWP20": 0.0, 
    "GWP500": 0.0, 
    "HH": -1, 
    "Name": "Deuterium", 
    "ODP": -1.0, 
    "PH": -1
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Richardson-JPCRD-2013", 
      "STATES": {
        "hs_anchor": {
          "T": 42.17400000000001, 
          "T_units": "K", 
          "hmolar": 1012.7149455649957, 
          "hmolar_units": "J/mol", 
          "p": 2471528.9989254335, 
          "p_units": "Pa", 
          "rhomolar": 15507.0, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 26.987283392692014, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
          "T": 38.34, 
          "T_units": "K", 
          "p": 1679600, 
          "p_units": "Pa", 
          "rhomolar": 17230, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 18.724, 
          "T_units": "K", 
          "p": 17.1891019732537, 
          "p_units": "Pa", 
          "rhomolar": 43350.920890356414, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
          "T": 18.724, 
          "T_units": "K", 
          "p": 17.1891019732537, 
          "p_units": "Pa", 
          "rhomolar": 112.95640342174914, 
          "rhomolar_units": "mol/m^3"
        }
      }, 
      "T_max": 600, 
      "T_max_units": "K", 
      "Ttriple": 18.724, 
      "Ttriple_units": "K", 
      "accentric": -0.136290274128, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": -2.0677351753, 
          "a2": 2.4237151502, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": 1.5, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
            -3.54145, 
            3.0326, 
            -3.52422, 
            -1.73421, 
            -3.57135, 
            2.14858, 
            6.23107, 
            -3.30425, 
            6.23098, 
            -3.57137, 
            3.32901, 
            0.97782
          ], 
          "t": [
            187.1178925404277, 
            225.2217005738132, 
            23.54460093896714, 
            4.723526343244653, 
            11.43714136671883, 
            131.3041210224309, 
            7.039645279081897, 
            5.996348461137194, 
            17.38132498695879, 
            11.81011997913406, 
            5.007824726134585, 
            30.97548252477829
          ], 
          "type": "IdealGasHelmholtzPlanckEinstein"
        }
      ], 
      "alphar": [
        {
          "d": [
            4, 
            1, 
            1, 
            2, 
            3, 
            1, 
            3, 
            2, 
            2, 
            2, 
            1, 
            1, 
            3, 
            2
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            2, 
            2, 
            2, 
            2
          ], 
          "n": [
            0.006267958, 
            10.53609, 
            -10.14149, 
            0.356061, 
            0.1824472, 
            -1.129638, 
            -0.0549812, 
            -0.6791329, 
            1.347918, 
            -0.8657582, 
            1.719146, 
            -1.917977, 
            0.1233365, 
            -0.07936891
          ], 
          "t": [
            1, 
            0.462, 
            0.5584, 
            0.627, 
            1.201, 
            0.309, 
            1.314, 
            1.1166, 
            1.25, 
            1.25, 
            1.395, 
            1.627, 
            1, 
            2.5
          ], 
          "type": "ResidualHelmholtzPower"
        }, 
        {
          "beta": [
            0.613, 
            0.584, 
            0.57, 
            1.056, 
            1.01, 
            1.025, 
            1.029
          ], 
          "d": [
            1, 
            1, 
            2, 
            3, 
            3, 
            1, 
            3
          ], 
          "epsilon": [
            1.46, 
            1.7864, 
            1.647, 
            0.541, 
            0.969, 
            1.892, 
            1.076
          ], 
          "eta": [
            0.868, 
            0.636, 
            0.668, 
            0.65, 
            0.745, 
            0.782, 
            0.693
          ], 
          "gamma": [
            0.6306, 
            0.711, 
            0.6446, 
            0.8226, 
            0.992, 
            1.2184, 
            1.203
          ], 
          "n": [
            1.686617, 
            -4.240326, 
            1.857114, 
            -0.5903705, 
            1.520171, 
            2.361373, 
            -2.297315
          ], 
          "t": [
            0.635, 
            0.664, 
            0.7082, 
            2.25, 
            1.524, 
            0.67, 
            0.709
          ], 
          "type": "ResidualHelmholtzGaussian"
        }
      ], 
      "gas_constant": 8.3144621, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.0040282, 
      "molar_mass_units": "kg/mol", 
      "p_max": 2000000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "Deuterium", 
  "REFPROP_NAME": "D2", 
  "STATES": {
    "critical": {
      "T": 38.34, 
      "T_units": "K", 
      "p": 1679600.0, 
      "p_units": "Pa", 
      "rhomolar": 17230.0, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 18.724, 
      "T_units": "K", 
      "p": 17.1891019732537, 
      "p_units": "Pa", 
      "rhomolar": 43350.920890356414, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 18.724, 
      "T_units": "K", 
      "p": 17.1891019732537, 
      "p_units": "Pa", 
      "rhomolar": 112.95640342174914, 
      "rhomolar_units": "mol/m^3"
    }
  }
}