{
  "ANCILLARIES": {
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        -90130.66913527295,
        407.1686952618352,
        -1.314013986481387,
        0.005591637830643131,
        -1.5880702336452645e-05,
        2.5176795728858165e-08,
        -2.1153944319560613e-11,
        6.739639766434883e-15
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      "B": [
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        -0.002144128815117629
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      "Tmax": 460.25,
      "Tmin": 112.65,
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 425.5877797530011,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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    "hLV": {
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        -0.0015995475054099437,
        -1.5307399453925324e-06,
        1.4210796247532407e-08,
        -2.698219476323736e-11,
        1.8437639070453938e-14
      ],
      "B": [
        1,
        -0.0021414737977205026
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      "Tmax": 460.25,
      "Tmin": 112.65,
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 964.1487833484193,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
    },
    "melting_line": {
      "BibTeX": "Reeves-JCP-1964",
      "T_m": 113.22999999999999,
      "parts": [
        {
          "T_0": 112.5,
          "T_max": 212.16,
          "T_min": 112.65,
          "a": 591600000.0,
          "c": 1.563,
          "p_0": 0
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      ],
      "type": "Simon"
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    "pS": {
      "T_r": 460.35,
      "Tmax": 460.3499999999989,
      "Tmin": 112.65000000000002,
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.016885314228098913,
      "n": [
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        4.597427498957886,
        -2.60028502453596,
        -3.205323615957216,
        0.893056340939176,
        -3.317655495530999
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      "reducing_value": 3378000.0,
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        1.348,
        1.678,
        4.158,
        11.692,
        14.291
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      "type": "pV",
      "using_tau_r": true
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    "rhoL": {
      "T_r": 460.35,
      "Tmax": 460.3499999999989,
      "Tmin": 112.65000000000002,
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.5609059920063109,
      "n": [
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        0.5608577220827222,
        0.291792033747788,
        -0.22951340206902662,
        50.602054710991816,
        -59.20907806248923
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      "reducing_value": 3271.0,
      "t": [
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        2.009,
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        15.417
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      "type": "rhoLnoexp",
      "using_tau_r": false
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    "rhoV": {
      "T_r": 460.35,
      "Tmax": 460.3499999999989,
      "Tmin": 112.65000000000002,
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 1.1809305044249263,
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        -2.160437982604624,
        -8.713491274417024,
        4.916720756118398,
        -0.9275607204099507
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      "reducing_value": 3271.0,
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        5.085,
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        14.238
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      "type": "rhoV",
      "using_tau_r": true
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    "sL": {
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        5.317345621346163,
        -0.03702677094202471,
        0.00017942518580699236,
        -5.54816584404194e-07,
        1.0422293523337276e-09,
        -1.0882935361468606e-12,
        4.842018291133487e-16
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        -0.002095330499407403
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      "Tmax": 460.25,
      "Tmin": 112.65,
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
      "max_abs_error": 1.3276319306953397,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
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        0.20869401636121118,
        -0.0010610877733253398,
        3.3294251189559573e-06,
        -6.328453521633908e-09,
        6.683391711832302e-12,
        -3.0092571072327174e-15
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        1,
        -0.0019789254211424545
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      "Tmax": 460.25,
      "Tmin": 112.65,
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
      "max_abs_error": 3.736426272805695,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
    },
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012",
      "Tc": 460.35,
      "a": [
        0.051
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
      "n": [
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  "EOS": [
    {
      "BibTeX_CP0": "",
      "BibTeX_EOS": "Lemmon-JCED-2006",
      "STATES": {
        "hs_anchor": {
          "T": 506.38500000000005,
          "T_units": "K",
          "hmolar": 46561.46210015001,
          "hmolar_units": "J/mol",
          "p": 5570042.134881059,
          "p_units": "Pa",
          "rhomolar": 2943.9,
          "rhomolar_units": "mol/m^3",
          "smolar": 112.26852231198176,
          "smolar_units": "J/mol/K"
        },
        "reducing": {
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          "hmolar_units": "J/mol",
          "p": 3378000,
          "p_units": "Pa",
          "rhomolar": 3271,
          "rhomolar_units": "mol/m^3",
          "smolar": 92.56596229614416,
          "smolar_units": "J/mol/K"
        },
        "sat_min_liquid": {
          "T": 112.65,
          "T_units": "K",
          "hmolar": -26071.612784685585,
          "hmolar_units": "J/mol",
          "p": 8.949025483876957e-05,
          "p_units": "Pa",
          "rhomolar": 10935.889314188298,
          "rhomolar_units": "mol/m^3",
          "smolar": -132.87088549906255,
          "smolar_units": "J/mol/K"
        },
        "sat_min_vapor": {
          "T": 112.65,
          "T_units": "K",
          "hmolar": 8743.514976198454,
          "hmolar_units": "J/mol",
          "p": 8.949025483876957e-05,
          "p_units": "Pa",
          "rhomolar": 9.558513393991677e-08,
          "rhomolar_units": "mol/m^3",
          "smolar": 176.18484251588657,
          "smolar_units": "J/mol/K"
        }
      },
      "T_max": 500,
      "T_max_units": "K",
      "Ttriple": 112.65,
      "Ttriple_units": "K",
      "acentric": 0.2274,
      "acentric_units": "-",
      "alpha0": [
        {
          "a1": 2.5822330405,
          "a2": 1.1609103419,
          "type": "IdealGasHelmholtzLead"
        },
        {
          "a": 3,
          "type": "IdealGasHelmholtzLogTau"
        },
        {
          "n": [
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            9.5772,
            15.765,
            12.119
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          "t": [
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            2.409036602584989,
            4.494406429890301,
            9.108287172803301
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          "type": "IdealGasHelmholtzPlanckEinstein"
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      ],
      "alphar": [
        {
          "d": [
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            1,
            2,
            3,
            7,
            2,
            5,
            1,
            4,
            3,
            4
          ],
          "l": [
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            0,
            0,
            0,
            0,
            1,
            1,
            2,
            2,
            3,
            3
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          "n": [
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            0.018156
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            12
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          "type": "ResidualHelmholtzPower"
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      ],
      "critical_region_splines": {
        "T_max": 460.35,
        "T_min": 460.34697325761744,
        "_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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        "rhomolar_max": 3346.612383148717,
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      "gas_constant": 8.314472,
      "gas_constant_units": "J/mol/K",
      "molar_mass": 0.07214878,
      "molar_mass_units": "kg/mol",
      "p_max": 1000000000,
      "p_max_units": "Pa",
      "pseudo_pure": false
    }
  ],
  "INFO": {
    "2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=6308",
    "ALIASES": [
      "ipentane",
      "R601a",
      "ISOPENTANE",
      "IPENTANE"
    ],
    "CAS": "78-78-4",
    "CHEMSPIDER_ID": 6308,
    "ENVIRONMENTAL": {
      "ASHRAE34": "A3",
      "FH": 4,
      "GWP100": -1.0,
      "GWP20": -1.0,
      "GWP500": -1.0,
      "HH": 1,
      "Name": "Isopentane",
      "ODP": -1.0,
      "PH": 0
    },
    "FORMULA": "C_{5}H_{12}",
    "INCHI_KEY": "QWTDNUCVQCZILF-UHFFFAOYSA-N",
    "INCHI_STRING": "InChI=1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3",
    "NAME": "Isopentane",
    "REFPROP_NAME": "IPENTANE",
    "SMILES": "CCC(C)C"
  },
  "STATES": {
    "critical": {
      "T": 460.35,
      "T_units": "K",
      "hmolar": 36331.14951131363,
      "hmolar_units": "J/mol",
      "p": 3378000.0,
      "p_units": "Pa",
      "rhomolar": 3271.0,
      "rhomolar_units": "mol/m^3",
      "smolar": 92.54850436995513,
      "smolar_units": "J/mol/K"
    },
    "triple_liquid": {
      "T": 112.65,
      "T_units": "K",
      "hmolar": -26071.612784685585,
      "hmolar_units": "J/mol",
      "p": 8.949025483876957e-05,
      "p_units": "Pa",
      "rhomolar": 10935.889314188298,
      "rhomolar_units": "mol/m^3",
      "smolar": -132.87088549906255,
      "smolar_units": "J/mol/K"
    },
    "triple_vapor": {
      "T": 112.65,
      "T_units": "K",
      "hmolar": 8743.514976198454,
      "hmolar_units": "J/mol",
      "p": 8.949025483876957e-05,
      "p_units": "Pa",
      "rhomolar": 9.558513393991677e-08,
      "rhomolar_units": "mol/m^3",
      "smolar": 176.18484251588657,
      "smolar_units": "J/mol/K"
    }
  },
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Vassiliou-JPCRD-2015-pentanes",
      "critical": {
        "GAMMA": 0.058,
        "R0": 1.02,
        "gamma": 1.239,
        "qD": 1506024096.3855422,
        "type": "simplified_Olchowy_Sengers",
        "zeta0": 2.27e-10
      },
      "dilute": {
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          -0.0159754,
          0.218987,
          -0.329556,
          0.281075,
          0.053326
        ],
        "B": [
          5.10467,
          -8.12044,
          8.11607,
          -0.294969,
          1
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        "T_reducing": 460.35,
        "T_reducing_units": "K",
        "m": [
          0,
          1,
          2,
          3,
          4
        ],
        "n": [
          0,
          1,
          2,
          3,
          4,
          5
        ],
        "type": "ratio_of_polynomials"
      },
      "residual": {
        "B": [
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          0.00514003,
          -0.0161346,
          0.0558445,
          0.0527254,
          -0.0951474,
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          0.0475268,
          0.00454817,
          -0.00729296
        ],
        "T_reducing": 460.35,
        "T_reducing_units": "K",
        "d": [
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          2,
          2,
          3,
          3,
          4,
          4,
          5,
          5
        ],
        "rhomass_reducing": 236.0,
        "rhomass_reducing_units": "kg/m^3",
        "t": [
          0,
          -1,
          0,
          -1,
          0,
          -1,
          0,
          -1,
          0,
          -1
        ],
        "type": "polynomial"
      }
    },
    "viscosity": {
      "BibTeX": "Chung-IECR-1988",
      "T_critical": 460.35,
      "T_critical_units": "K",
      "acentric": 0.2274,
      "acentric_units": "-",
      "dipole_moment_D": 0.1,
      "dipole_moment_D_units": "Debye",
      "kappa": 0.0,
      "kappa_units": "-",
      "molar_mass": 0.07214878,
      "molar_mass_units": "kg/mol",
      "rhomolar_critical": 3271.0,
      "rhomolar_critical_units": "mol/m^3",
      "type": "Chung"
    }
  }
}