{
  "ALIASES": [
    "neopentn", 
    "NEOPENTANE"
  ], 
  "ANCILLARIES": {
    "hL": {
      "A": [
        124395.95189901203, 
        -4069.6796241026004, 
        39.86492104683241, 
        -0.2046559074256771, 
        0.0006261724513383242, 
        -1.1477001418810697e-06, 
        1.165231138739697e-09, 
        -5.059761428945213e-13
      ], 
      "B": [
        1, 
        -0.0022917335558522147
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 208.58127178592076, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "hLV": {
      "A": [
        -518476.76151405723, 
        11936.718621377338, 
        -111.94331623426396, 
        0.575712980493864, 
        -0.0017674037639923922, 
        3.2422453727073766e-06, 
        -3.292721358894438e-09, 
        1.4294963242127076e-12
      ], 
      "B": [
        1, 
        -0.0022905879299035927
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 504.7599061354297, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "pL": {
      "T_r": 433.74, 
      "Tmax": 433.73999999999927, 
      "Tmin": 256.6, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.011877907135438015, 
      "n": [
        1.4023117580169653, 
        -7.971208710752704, 
        2.5306662744660664, 
        -3.6491716187944356, 
        -72.03663743646202, 
        323.50182182555415
      ], 
      "reducing_value": 3196000.0, 
      "t": [
        0.973, 
        0.987, 
        1.865, 
        2.411, 
        9.003, 
        11.534
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 433.74, 
      "Tmax": 433.73999999999927, 
      "Tmin": 256.6, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.009973909412830384, 
      "n": [
        -7.502312156089728, 
        11.000117855992295, 
        -400.6256764267208, 
        433.78538017962705, 
        -45.58182775735909, 
        -0.7322302008433458
      ], 
      "reducing_value": 3196000.0, 
      "t": [
        1.011, 
        1.701, 
        2.3, 
        2.345, 
        2.698, 
        6.49
      ], 
      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 433.74, 
      "Tmax": 433.73999999999927, 
      "Tmin": 256.6, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.546133509156399, 
      "n": [
        2.811511709838611, 
        -0.6819933999019258, 
        143.31340246450836, 
        -250.44132450192117, 
        324.6743119533206, 
        -196312.80251857708
      ], 
      "reducing_value": 3270.0, 
      "t": [
        0.385, 
        0.435, 
        3.763, 
        4.175, 
        6.202, 
        16.14
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 433.74, 
      "Tmax": 433.73999999999927, 
      "Tmin": 256.6, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.6012535915160933, 
      "n": [
        -3.7861930152056065, 
        8.462476541870759, 
        -339.50200633681567, 
        403.5197007430728, 
        -111.52402460892499, 
        41.26753585967676
      ], 
      "reducing_value": 3270.0, 
      "t": [
        0.423, 
        1.041, 
        1.753, 
        1.863, 
        2.594, 
        3.606
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "sL": {
      "A": [
        65.8612966604167, 
        -6.7097696646801746, 
        0.07552964887598204, 
        -0.00040558515261246664, 
        1.2644461933025757e-06, 
        -2.3413301485007917e-09, 
        2.393329081763358e-12, 
        -1.0441071132320904e-15
      ], 
      "B": [
        1, 
        -0.0022920074571738847
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.4749401552329182, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "sLV": {
      "A": [
        -400.8625599038042, 
        15.910742738504657, 
        -0.17795981678731992, 
        0.0009968157337860801, 
        -3.2173798496549364e-06, 
        6.100507845783471e-09, 
        -6.34206685846001e-12, 
        2.8011618090775968e-15
      ], 
      "B": [
        1, 
        -0.0022908531554939535
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 1.151364146763206, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2014", 
      "Tc": 433.74, 
      "a": [
        0.04465
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.21
      ]
    }
  }, 
  "CAS": "463-82-1", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": 4, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 1, 
    "Name": "Neopentane", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Lemmon-JCED-2006", 
      "STATES": {
        "hs_anchor": {
          "T": 477.11400000000003, 
          "T_units": "K", 
          "hmolar": 42823.00858820105, 
          "hmolar_units": "J/mol", 
          "p": 5232425.802039938, 
          "p_units": "Pa", 
          "rhomolar": 2943.0, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 109.6920638994305, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
          "T": 433.74, 
          "T_units": "K", 
          "p": 3196000, 
          "p_units": "Pa", 
          "rhomolar": 3270, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 256.6, 
          "T_units": "K", 
          "p": 35400.94732528149, 
          "p_units": "Pa", 
          "rhomolar": 8701.720394850267, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
          "T": 256.6, 
          "T_units": "K", 
          "p": 35400.94732532063, 
          "p_units": "Pa", 
          "rhomolar": 16.95106391221598, 
          "rhomolar_units": "mol/m^3"
        }
      }, 
      "T_max": 550, 
      "T_max_units": "K", 
      "Ttriple": 256.6, 
      "Ttriple_units": "K", 
      "accentric": 0.1961, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": 0.8702452614, 
          "a2": 1.6071746358, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": 3, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
            14.422, 
            12.868, 
            17.247, 
            12.663
          ], 
          "t": [
            1.636925346982063, 
            3.977036934569097, 
            7.562133997325587, 
            17.9531516576751
          ], 
          "type": "IdealGasHelmholtzPlanckEinstein"
        }
      ], 
      "alphar": [
        {
          "d": [
            1, 
            1, 
            1, 
            2, 
            3, 
            7, 
            2, 
            5, 
            1, 
            4, 
            3, 
            4
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            2, 
            2, 
            3, 
            3
          ], 
          "n": [
            1.1136, 
            -3.1792, 
            1.1411, 
            -0.10467, 
            0.11754, 
            0.00034058, 
            0.29553, 
            -0.074765, 
            -0.31474, 
            -0.099401, 
            -0.039569, 
            0.023177
          ], 
          "t": [
            0.25, 
            1.125, 
            1.5, 
            1.375, 
            0.25, 
            0.875, 
            0.625, 
            1.75, 
            3.625, 
            3.625, 
            14.5, 
            12
          ], 
          "type": "ResidualHelmholtzPower"
        }
      ], 
      "critical_region_splines": {
        "T_max": 433.74, 
        "T_min": 433.73999999926514, 
        "_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, 
          -2.793653710159193e-08, 
          433.7400913524763
        ], 
        "cV": [
          0.0, 
          0.0, 
          2.7689755256340264e-08, 
          433.7399094545003
        ], 
        "rhomolar_max": 3270.026304880335, 
        "rhomolar_min": 3269.973461489175
      }, 
      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.07214878, 
      "molar_mass_units": "kg/mol", 
      "p_max": 200000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "Neopentane", 
  "REFPROP_NAME": "NEOPENTN", 
  "STATES": {
    "critical": {
      "T": 433.74, 
      "T_units": "K", 
      "p": 3196000.0, 
      "p_units": "Pa", 
      "rhomolar": 3270.0, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 256.6, 
      "T_units": "K", 
      "p": 35400.94732528149, 
      "p_units": "Pa", 
      "rhomolar": 8701.720394850267, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 256.6, 
      "T_units": "K", 
      "p": 35400.94732532063, 
      "p_units": "Pa", 
      "rhomolar": 16.95106391221598, 
      "rhomolar_units": "mol/m^3"
    }
  }
}