{
  "ANCILLARIES": {
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        3.3867519869140485e-08,
        -2.0633816276371996e-11,
        -1.471962594571584e-15
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      "Tmax": 385.02,
      "Tmin": 116.099,
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 327.6380858693019,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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    "hLV": {
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        0.0059327247423719654,
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        1.2287857719267456e-07,
        -1.9486260882896318e-10,
        1.274176769532928e-13
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      "Tmax": 385.02,
      "Tmin": 116.099,
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 673.8180560738604,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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      "Tmin": 116.09900000000002,
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.02538001083745023,
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        -6.821426208906223,
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        -1.4837613030063526,
        -2.1731387101462754,
        -5.72739817030707
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      "reducing_value": 4136100.0000000005,
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        3.0,
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        19.696
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      "type": "pL",
      "using_tau_r": true
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    "rhoL": {
      "T_r": 385.12,
      "Tmax": 385.11999999999927,
      "Tmin": 116.09900000000002,
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.729903640409435,
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        1.8650658616334526,
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        24.389351468278143,
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      "reducing_value": 4672.781255944357,
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        2.566,
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        16.134
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      "type": "rhoLnoexp",
      "using_tau_r": false
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    "rhoV": {
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      "Tmax": 385.11999999999927,
      "Tmin": 116.09900000000002,
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.21720112949432657,
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        23.959910083444367,
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        -4.437766797843962,
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      "reducing_value": 4672.781255944357,
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        14.833
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      "type": "rhoV",
      "using_tau_r": true
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        1.8874920035422176e-09,
        -2.227593103042065e-12,
        1.1207759500497982e-15
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      "Tmax": 385.02,
      "Tmin": 116.099,
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
      "max_abs_error": 1.0495362933751515,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
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        0.20987736285672465,
        -0.0011743356947320875,
        4.076570423366419e-06,
        -8.618976009734379e-09,
        1.0177039909482674e-11,
        -5.145265776583788e-15
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      "B": [
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      "Tmax": 385.02,
      "Tmin": 116.099,
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
      "max_abs_error": 2.4871545581781467,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
    },
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012",
      "Tc": 385.12,
      "a": [
        -0.000124,
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
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  "EOS": [
    {
      "BibTeX_CP0": "",
      "BibTeX_EOS": "Marx-BOOK-1992",
      "STATES": {
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          "T_units": "K",
          "hmolar": 46869.32316299001,
          "hmolar_units": "J/mol",
          "p": 6687504.662641632,
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          "rhomolar": 4205.503130349922,
          "rhomolar_units": "mol/m^3",
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          "smolar_units": "J/mol/K"
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          "rhomolar_units": "mol/m^3",
          "smolar": 172.70841305203066,
          "smolar_units": "J/mol/K"
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        "sat_min_liquid": {
          "T": 116.099,
          "T_units": "K",
          "hmolar": 8020.442319444062,
          "hmolar_units": "J/mol",
          "p": 0.2425508006881145,
          "p_units": "Pa",
          "rhomolar": 15125.291310337965,
          "rhomolar_units": "mol/m^3",
          "smolar": 33.61931902572065,
          "smolar_units": "J/mol/K"
        },
        "sat_min_vapor": {
          "T": 116.099,
          "T_units": "K",
          "hmolar": 34244.086028937934,
          "hmolar_units": "J/mol",
          "p": 0.2425509467011643,
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          "rhomolar": 0.00025126989486966376,
          "rhomolar_units": "mol/m^3",
          "smolar": 259.4924162881792,
          "smolar_units": "J/mol/K"
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      "T_max": 525,
      "T_max_units": "K",
      "Ttriple": 116.099,
      "Ttriple_units": "K",
      "acentric": 0.1794783173435512,
      "acentric_units": "-",
      "alpha0": [
        {
          "a1": 10.0100905,
          "a2": -4.66434985,
          "type": "IdealGasHelmholtzLead"
        },
        {
          "a": 3.00361975,
          "type": "IdealGasHelmholtzLogTau"
        },
        {
          "n": [
            3.16062357,
            0.371258136,
            3.56226039,
            2.12152336
          ],
          "t": [
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            6.30985083,
            1.78037889,
            1.07087607
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          "type": "IdealGasHelmholtzPlanckEinstein"
        },
        {
          "a1": -24.7279903483588,
          "a2": 14.0673715241366,
          "reference": "IIR",
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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      "alphar": [
        {
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            1,
            2,
            4,
            6,
            8,
            1,
            1,
            5,
            7,
            12,
            12,
            14,
            1,
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            1,
            1,
            3,
            3,
            5,
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          "l": [
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            0,
            0,
            0,
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            1,
            1,
            1,
            1,
            1,
            2,
            2,
            3,
            3,
            3,
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            4
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            2.784861664e-05,
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            -0.003361012009,
            0.0003789190008
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          "type": "ResidualHelmholtzPower"
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      ],
      "critical_region_splines": {
        "T_max": 385.12,
        "T_min": 385.11941673548023,
        "_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": 4709.605576782584,
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      "gas_constant": 8.314471,
      "gas_constant_units": "J/mol/K",
      "molar_mass": 0.120913,
      "molar_mass_units": "kg/mol",
      "p_max": 200000000,
      "p_max_units": "Pa",
      "pseudo_pure": false
    }
  ],
  "INFO": {
    "2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=6151",
    "ALIASES": [],
    "CAS": "75-71-8",
    "CHEMSPIDER_ID": 6151,
    "ENVIRONMENTAL": {
      "ASHRAE34": "A1",
      "FH": 1,
      "GWP100": 10900.0,
      "GWP20": 11000.0,
      "GWP500": 5200.0,
      "HH": 1,
      "Name": "R12",
      "ODP": 1.0,
      "PH": 0
    },
    "FORMULA": "C_{1}Cl_{2}F_{2}",
    "INCHI_KEY": "PXBRQCKWGAHEHS-UHFFFAOYSA-N",
    "INCHI_STRING": "InChI=1S/CCl2F2/c2-1(3,4)5",
    "NAME": "R12",
    "REFPROP_NAME": "R12",
    "SMILES": "C(F)(F)(Cl)Cl"
  },
  "STATES": {
    "critical": {
      "T": 385.12,
      "T_units": "K",
      "hmolar": 42048.946785321656,
      "hmolar_units": "J/mol",
      "p": 4136100.000000001,
      "p_units": "Pa",
      "rhomolar": 4672.781255944357,
      "rhomolar_units": "mol/m^3",
      "smolar": 172.69971439232123,
      "smolar_units": "J/mol/K"
    },
    "triple_liquid": {
      "T": 116.099,
      "T_units": "K",
      "hmolar": 8020.442319444062,
      "hmolar_units": "J/mol",
      "p": 0.2425508006881145,
      "p_units": "Pa",
      "rhomolar": 15125.291310337965,
      "rhomolar_units": "mol/m^3",
      "smolar": 33.61931902572065,
      "smolar_units": "J/mol/K"
    },
    "triple_vapor": {
      "T": 116.099,
      "T_units": "K",
      "hmolar": 34244.086028937934,
      "hmolar_units": "J/mol",
      "p": 0.2425509467011643,
      "p_units": "Pa",
      "rhomolar": 0.00025126989486966376,
      "rhomolar_units": "mol/m^3",
      "smolar": 259.4924162881792,
      "smolar_units": "J/mol/K"
    }
  },
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "McLinden-IJR-2000",
      "f_int": {
        "T_reducing": 1.0,
        "T_reducing_units": "K",
        "a": [
          0.001344
        ],
        "t": [
          0
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      },
      "psi": {
        "a": [
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          0.0029509
        ],
        "rhomolar_reducing": 4672.781255944357,
        "rhomolar_reducing_units": "mol/m^3",
        "t": [
          0,
          1
        ]
      },
      "q_D": 1999999999.9999998,
      "q_D_units": "m",
      "reference_fluid": "R134a",
      "type": "ECS"
    },
    "viscosity": {
      "BibTeX": "Klein-IJR-1997",
      "epsilon_over_k": 297.24,
      "epsilon_over_k_units": "K",
      "psi": {
        "a": [
          1.087,
          -0.0379
        ],
        "rhomolar_reducing": 4672.781255944357,
        "rhomolar_reducing_units": "mol/m^3",
        "t": [
          0,
          1
        ]
      },
      "reference_fluid": "R134a",
      "sigma_eta": 5.185999999999999e-10,
      "sigma_eta_units": "m",
      "type": "ECS"
    }
  }
}