{
  "ALIASES": [], 
  "ANCILLARIES": {
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      "A": [
        -39529.17244918648, 
        766.4862441651549, 
        -8.72073120591565, 
        0.0584469082178831, 
        -0.00018840687841603927, 
        8.952174605196958e-08, 
        9.753309913432768e-10, 
        -1.8004523391706558e-12
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      "B": [
        1, 
        -0.004360002461028179
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      "Tmax": 227.41, 
      "Tmin": 120.0, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 72.86598917025731, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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    "hLV": {
      "A": [
        -14829.4949808947, 
        1469.0894624632112, 
        -32.57524816765149, 
        0.3698709215006086, 
        -0.0024638309242990147, 
        9.685143148916862e-06, 
        -2.086112266671322e-08, 
        1.9067862669238816e-11
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      "B": [
        1, 
        -0.0043580233375961255
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      "Tmax": 227.41, 
      "Tmin": 120.0, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 147.2538481706497, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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    "pL": {
      "T_r": 227.51, 
      "Tmax": 227.5, 
      "Tmin": 120.0, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.002282347612714286, 
      "n": [
        0.04320524355479352, 
        -0.08138636451472522, 
        0.14428668233243508, 
        -1.587068436457817, 
        -4.5171616562403365, 
        -2.7541765705090198
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      "reducing_value": 3750000.0, 
      "t": [
        0.058, 
        0.136, 
        0.36, 
        0.8333333333333334, 
        1.0, 
        3.8333333333333335
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      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 227.51, 
      "Tmax": 227.5, 
      "Tmin": 120.0, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.007415329886240052, 
      "n": [
        0.08662606349248056, 
        -0.0813486384851997, 
        -7.785956892747065, 
        1.8982297803059163, 
        -2.3849179775668956, 
        -1.1791347960249259
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      "reducing_value": 3750000.0, 
      "t": [
        0.07100000000000001, 
        0.082, 
        1.0, 
        1.1666666666666667, 
        3.5, 
        6.833333333333333
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      "type": "pV", 
      "using_tau_r": true
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    "rhoL": {
      "T_r": 227.51, 
      "Tmax": 227.5, 
      "Tmin": 120.0, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.008033101254423247, 
      "n": [
        129.2110005451294, 
        8780.472954819723, 
        -3507.774533268308, 
        -5406.157576410963, 
        6.638240696847442, 
        0.27973697758760946
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      "reducing_value": 7109.419400000001, 
      "t": [
        0.055, 
        0.111, 
        0.1, 
        0.117, 
        0.39499999999999996, 
        2.5
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      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 227.51, 
      "Tmax": 227.5, 
      "Tmin": 120.0, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.01282821699449821, 
      "n": [
        -59.51239487319891, 
        74.31936386072647, 
        -38153.79585178045, 
        48521.17526050439, 
        -10387.203195536424, 
        -4.015512941871523
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      "reducing_value": 7109.419400000001, 
      "t": [
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        0.113, 
        0.373, 
        0.3755, 
        0.38449999999999995, 
        4.0
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      "type": "rhoV", 
      "using_tau_r": true
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    "sL": {
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        -485.1184443597629, 
        13.991104074458953, 
        -0.20653313187966446, 
        0.0018027227267794455, 
        -9.502578854451281e-06, 
        2.9715130572758372e-08, 
        -5.070616426205118e-11, 
        3.6180737155322254e-14
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      "B": [
        1, 
        -0.0043582909820336305
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      "Tmax": 227.41, 
      "Tmin": 120.0, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.33688104002431807, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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    "sLV": {
      "A": [
        812.0646858368217, 
        -20.044357508495647, 
        0.23574633252051216, 
        -0.0015847685142849144, 
        6.085131156427458e-06, 
        -1.1911545607402549e-08, 
        6.82142020479459e-12, 
        6.9621459328744455e-15
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      "B": [
        1, 
        -0.0043573544587015185
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      "Tmax": 227.41, 
      "Tmin": 120.0, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.6616879045922106, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 227.51, 
      "a": [
        0.0423
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.24
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    }
  }, 
  "CAS": "75-73-0", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": -1, 
    "GWP100": 7390.0, 
    "GWP20": 5210.0, 
    "GWP500": 11200.0, 
    "HH": -1, 
    "Name": "R14", 
    "ODP": -1.0, 
    "PH": -1
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "Platzer-BOOK-1990", 
      "BibTeX_EOS": "Platzer-BOOK-1990", 
      "STATES": {
        "hs_anchor": {
          "T": 250.26100000000002, 
          "T_units": "K", 
          "hmolar": 30615.738111572387, 
          "hmolar_units": "J/mol", 
          "p": 6118662.656716034, 
          "p_units": "Pa", 
          "rhomolar": 6398.47746, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 96.59960842471958, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
          "T": 227.51, 
          "T_units": "K", 
          "hmolar": 28516.561403186173, 
          "hmolar_units": "J/mol", 
          "p": 3750000, 
          "p_units": "Pa", 
          "rhomolar": 7109.4194, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 89.25370815392982, 
          "smolar_units": "J/mol/K"
        }, 
        "sat_min_liquid": {
          "T": 120.0, 
          "T_units": "K", 
          "hmolar": 16549.553703538702, 
          "hmolar_units": "J/mol", 
          "p": 11294.328999961177, 
          "p_units": "Pa", 
          "rhomolar": 19669.032618774767, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 23.955020384298734, 
          "smolar_units": "J/mol/K"
        }, 
        "sat_min_vapor": {
          "T": 120.0, 
          "T_units": "K", 
          "hmolar": 29449.987374662433, 
          "hmolar_units": "J/mol", 
          "p": 11294.387368850012, 
          "p_units": "Pa", 
          "rhomolar": 11.391298650498788, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 131.45859164284022, 
          "smolar_units": "J/mol/K"
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      }, 
      "T_max": 623, 
      "T_max_units": "K", 
      "Ttriple": 89.54, 
      "Ttriple_units": "K", 
      "accentric": 0.1785, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": 0, 
          "a2": 0, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": -1, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "T0": 298.15, 
          "Tc": 227.51, 
          "c": [
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            -0.008858129431283382, 
            0.0001393877086940782, 
            -3.005436298807747e-07, 
            2.050274501811892e-10
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          "t": [
            0, 
            1, 
            2, 
            3, 
            4
          ], 
          "type": "IdealGasHelmholtzCP0PolyT"
        }, 
        {
          "a1": -14.8563435687485, 
          "a2": 20.1558709204447, 
          "reference": "OTH", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
        }
      ], 
      "alphar": [
        {
          "d": [
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            1, 
            1, 
            1, 
            1, 
            2, 
            2, 
            2, 
            3, 
            3, 
            4, 
            4, 
            5, 
            0, 
            0, 
            0
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          "l": [
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            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0
          ], 
          "n": [
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            -2.4579202542559, 
            0.799614558381524, 
            -0.749498955282594, 
            0.152177772596398, 
            -0.293408332036298, 
            0.717794503774445, 
            -0.0426467444751902, 
            0.226562749725952, 
            -0.39109169477402, 
            -0.0257394805543082, 
            0.0554844886106659, 
            0.00610988262947185, 
            -0.33469874882651, 
            0.586690904512625, 
            -0.147068929694523
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          "t": [
            0, 
            1, 
            2, 
            3, 
            4, 
            0, 
            1, 
            2, 
            0, 
            1, 
            0, 
            1, 
            1, 
            3, 
            4, 
            5
          ], 
          "type": "ResidualHelmholtzPower"
        }, 
        {
          "d": [
            2, 
            2, 
            2, 
            0, 
            0, 
            0
          ], 
          "g": [
            0.99832625, 
            0.99832625, 
            0.99832625, 
            0.99832625, 
            0.99832625, 
            0.99832625
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          "l": [
            2, 
            2, 
            2, 
            2, 
            2, 
            2
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          "n": [
            -0.190315426348019, 
            0.716157134745809, 
            -0.703161905301754, 
            0.33469874882651, 
            -0.586690904512625, 
            0.147068929694523
          ], 
          "t": [
            3, 
            4, 
            5, 
            3, 
            4, 
            5
          ], 
          "type": "ResidualHelmholtzExponential"
        }
      ], 
      "critical_region_splines": {
        "T_max": 227.51, 
        "T_min": 226.4221608783466, 
        "_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": [
          -3.276091146712226e-11, 
          4.7283262023474423e-07, 
          -0.0017555435908659005, 
          227.86433767755432
        ], 
        "cV": [
          4.0498841128300184e-11, 
          -1.0634186146259112e-06, 
          0.008979676508857887, 
          202.86623067561814
        ], 
        "rhomolar_max": 9048.167089998266, 
        "rhomolar_min": 5136.725032287401
      }, 
      "gas_constant": 8.31451, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.0880046, 
      "molar_mass_units": "kg/mol", 
      "p_max": 51000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "R14", 
  "REFPROP_NAME": "R14", 
  "STATES": {
    "critical": {
      "T": 227.51, 
      "T_units": "K", 
      "p": 3750000.0, 
      "p_units": "Pa", 
      "rhomolar": 7109.4194, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 120.0, 
      "T_units": "K", 
      "hmolar": 16549.553703538702, 
      "hmolar_units": "J/mol", 
      "p": 11294.328999961177, 
      "p_units": "Pa", 
      "rhomolar": 19669.032618774767, 
      "rhomolar_units": "mol/m^3", 
      "smolar": 23.955020384298734, 
      "smolar_units": "J/mol/K"
    }, 
    "triple_vapor": {
      "T": 120.0, 
      "T_units": "K", 
      "hmolar": 29449.987374662433, 
      "hmolar_units": "J/mol", 
      "p": 11294.387368850012, 
      "p_units": "Pa", 
      "rhomolar": 11.391298650498788, 
      "rhomolar_units": "mol/m^3", 
      "smolar": 131.45859164284022, 
      "smolar_units": "J/mol/K"
    }
  }, 
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Huber-IECR-2003", 
      "f_int": {
        "T_reducing": 1.0, 
        "T_reducing_units": "K", 
        "a": [
          0.00119864, 
          1.90048e-07
        ], 
        "t": [
          0, 
          1
        ]
      }, 
      "psi": {
        "a": [
          1.0442, 
          0.0
        ], 
        "rhomolar_reducing": 7109.0, 
        "rhomolar_reducing_units": "mol/m^3", 
        "t": [
          0, 
          1
        ]
      }, 
      "q_D": 4413724919.008148, 
      "q_D_units": "m", 
      "reference_fluid": "Nitrogen", 
      "type": "ECS"
    }, 
    "viscosity": {
      "BibTeX": "Huber-IECR-2003", 
      "epsilon_over_k": 164.44, 
      "epsilon_over_k_units": "K", 
      "psi": {
        "a": [
          1.10941, 
          -0.0630268, 
          0.0
        ], 
        "rhomolar_reducing": 7109.0, 
        "rhomolar_reducing_units": "mol/m^3", 
        "t": [
          0, 
          1, 
          2
        ]
      }, 
      "reference_fluid": "Nitrogen", 
      "sigma_eta": 4.543e-10, 
      "sigma_eta_units": "m", 
      "type": "ECS"
    }
  }
}