{
  "ALIASES": [
    "nitrogen", 
    "NITROGEN", 
    "N2"
  ], 
  "ANCILLARIES": {
    "hL": {
      "A": [
        60.48746011325158, 
        -639.1839991559486, 
        26.222639030806995, 
        -0.5102733838559489, 
        0.005819233490675865, 
        -3.9560452943650225e-05, 
        1.4867220969945303e-07, 
        -2.3876618847556903e-10
      ], 
      "B": [
        1, 
        -0.007846973942858196
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 27.119655652908023, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "hLV": {
      "A": [
        -15608.634586595987, 
        1824.3819330182948, 
        -66.48394387316428, 
        1.2842662453122577, 
        -0.014729078036808707, 
        0.00010053667694421503, 
        -3.785486890649922e-07, 
        6.080601214978034e-10
      ], 
      "B": [
        1, 
        -0.007843017957764604
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 62.77218209812929, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "melting_line": {
      "BibTeX": "Span-JPCRD-2000", 
      "T_m": 77.34, 
      "parts": [
        {
          "T_0": 63.151, 
          "T_max": 283.8, 
          "T_min": 63.151, 
          "a": [
            12798.61
          ], 
          "p_0": 12523, 
          "t": [
            1.78963
          ]
        }
      ], 
      "type": "polynomial_in_Tr"
    }, 
    "pL": {
      "T_r": 126.192, 
      "Tmax": 126.19199999999978, 
      "Tmin": 63.15100000000001, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.005700555888288328, 
      "n": [
        7.557523110967278, 
        -15.31423072093374, 
        2.530452363947435, 
        -3.5464937257192077, 
        2.4443140451500853, 
        -1.089727092432518
      ], 
      "reducing_value": 3395800.0, 
      "t": [
        0.945, 
        0.976, 
        1.134, 
        4.43, 
        4.942, 
        6.222
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 126.192, 
      "Tmax": 126.19199999999978, 
      "Tmin": 63.15100000000001, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.01945481293909035, 
      "n": [
        2.1205259142559174, 
        -7.392634943403662, 
        -0.035642342804864474, 
        -35.2799454218023, 
        37.082077471298724, 
        -429.32504477212177
      ], 
      "reducing_value": 3395800.0, 
      "t": [
        0.828, 
        0.92, 
        1.504, 
        6.063, 
        6.367, 
        17.079
      ], 
      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 126.192, 
      "Tmax": 126.19199999999978, 
      "Tmin": 63.15100000000001, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.045724092678578465, 
      "n": [
        3.423788275604014, 
        -2.9664673074957677, 
        12.095926119341373, 
        -13.681823050784574, 
        4.19110684294756, 
        -0.6241396008655289
      ], 
      "reducing_value": 11183.901464580624, 
      "t": [
        0.396, 
        0.549, 
        1.037, 
        1.209, 
        1.682, 
        2.819
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 126.192, 
      "Tmax": 126.19199999999978, 
      "Tmin": 63.15100000000001, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.09890104355763096, 
      "n": [
        -2.412387653165135, 
        1.2535963572601478, 
        -6.375300212535008, 
        3.257106728291224, 
        -3.263645679265735, 
        1.2673447905058262
      ], 
      "reducing_value": 11183.901464580624, 
      "t": [
        0.369, 
        0.556, 
        0.878, 
        1.049, 
        4.174, 
        6.303
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "sL": {
      "A": [
        -105.69888808193828, 
        -0.3442238334703912, 
        0.10775820261077099, 
        -0.0027111484033334977, 
        3.435569506314143e-05, 
        -2.472065712472021e-07, 
        9.623061736649844e-10, 
        -1.5819833999499041e-12
      ], 
      "B": [
        1, 
        -0.007848688792434286
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.21110720797289417, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "sLV": {
      "A": [
        446.70143043963196, 
        -13.718212305253358, 
        0.13873230990801347, 
        0.0006911519913588411, 
        -3.1279956590694226e-05, 
        3.2036949000232114e-07, 
        -1.4939268057255887e-09, 
        2.7459560932973405e-12
      ], 
      "B": [
        1, 
        -0.00784375128194424
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.49461328767740387, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 126.192, 
      "a": [
        0.02898
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.246
      ]
    }
  }, 
  "CAS": "7727-37-9", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "A1", 
    "FH": 0, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 0, 
    "Name": "Nitrogen", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Span-JPCRD-2000", 
      "STATES": {
        "hs_anchor": {
          "T": 138.8112, 
          "T_units": "K", 
          "hmolar": 1620.7799325355168, 
          "hmolar_units": "J/mol", 
          "p": 5255537.623499579, 
          "p_units": "Pa", 
          "rhomolar": 10065.511318122559, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 122.81946369699097, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
          "T": 126.192, 
          "T_units": "K", 
          "p": 3395800, 
          "p_units": "Pa", 
          "rhomolar": 11183.90146458062, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 63.151, 
          "T_units": "K", 
          "p": 12.519783487429175, 
          "p_units": "Pa", 
          "rhomolar": 30957.310274698266, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
          "T": 63.151, 
          "T_units": "K", 
          "p": 12.519783487429175, 
          "p_units": "Pa", 
          "rhomolar": 24.069564468084323, 
          "rhomolar_units": "mol/m^3"
        }
      }, 
      "T_max": 1100, 
      "T_max_units": "K", 
      "Ttriple": 63.151, 
      "Ttriple_units": "K", 
      "accentric": 0.0372, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": -12.76952708, 
          "a2": -0.00784163, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": 2.5, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
            -0.0001934819, 
            -1.247742e-05, 
            6.678326e-08
          ], 
          "t": [
            -1, 
            -2, 
            -3
          ], 
          "type": "IdealGasHelmholtzPower"
        }, 
        {
          "n": [
            1.012941
          ], 
          "t": [
            26.65788
          ], 
          "type": "IdealGasHelmholtzPlanckEinstein"
        }
      ], 
      "alphar": [
        {
          "d": [
            1, 
            1, 
            2, 
            2, 
            3, 
            3, 
            1, 
            1, 
            1, 
            3, 
            3, 
            4, 
            6, 
            6, 
            7, 
            7, 
            8, 
            8, 
            1, 
            2, 
            3, 
            4, 
            5, 
            8, 
            4, 
            5, 
            5, 
            8, 
            3, 
            5, 
            6, 
            9
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            1, 
            1, 
            1, 
            1, 
            1, 
            1, 
            1, 
            1, 
            1, 
            1, 
            2, 
            2, 
            2, 
            2, 
            2, 
            2, 
            3, 
            3, 
            3, 
            3, 
            4, 
            4, 
            4, 
            4
          ], 
          "n": [
            0.924803575275, 
            -0.492448489428, 
            0.661883336938, 
            -1.92902649201, 
            -0.0622469309629, 
            0.349943957581, 
            0.564857472498, 
            -1.61720005987, 
            -0.481395031883, 
            0.421150636384, 
            -0.0161962230825, 
            0.172100994165, 
            0.00735448924933, 
            0.0168077305479, 
            -0.00107626664179, 
            -0.0137318088513, 
            0.000635466899859, 
            0.00304432279419, 
            -0.0435762336045, 
            -0.0723174889316, 
            0.0389644315272, 
            -0.021220136391, 
            0.00408822981509, 
            -5.51990017984e-05, 
            -0.0462016716479, 
            -0.00300311716011, 
            0.0368825891208, 
            -0.0025585684622, 
            0.00896915264558, 
            -0.0044151337035, 
            0.00133722924858, 
            0.000264832491957
          ], 
          "t": [
            0.25, 
            0.875, 
            0.5, 
            0.875, 
            0.375, 
            0.75, 
            0.5, 
            0.75, 
            2, 
            1.25, 
            3.5, 
            1, 
            0.5, 
            3, 
            0, 
            2.75, 
            0.75, 
            2.5, 
            4, 
            6, 
            6, 
            3, 
            3, 
            6, 
            16, 
            11, 
            15, 
            12, 
            12, 
            7, 
            4, 
            16
          ], 
          "type": "ResidualHelmholtzPower"
        }, 
        {
          "beta": [
            325, 
            325, 
            300, 
            275
          ], 
          "d": [
            1, 
            1, 
            3, 
            2
          ], 
          "epsilon": [
            1, 
            1, 
            1, 
            1
          ], 
          "eta": [
            20, 
            20, 
            15, 
            25
          ], 
          "gamma": [
            1.16, 
            1.16, 
            1.13, 
            1.25
          ], 
          "n": [
            19.6688194015, 
            -20.911560073, 
            0.0167788306989, 
            2627.67566274
          ], 
          "t": [
            0, 
            1, 
            2, 
            3
          ], 
          "type": "ResidualHelmholtzGaussian"
        }
      ], 
      "gas_constant": 8.31451, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.02801348, 
      "molar_mass_units": "kg/mol", 
      "p_max": 2200000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "Nitrogen", 
  "REFPROP_NAME": "NITROGEN", 
  "STATES": {
    "critical": {
      "T": 126.192, 
      "T_units": "K", 
      "p": 3395800.0, 
      "p_units": "Pa", 
      "rhomolar": 11183.901464580624, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 63.151, 
      "T_units": "K", 
      "p": 12.519783487429175, 
      "p_units": "Pa", 
      "rhomolar": 30957.310274698266, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 63.151, 
      "T_units": "K", 
      "p": 12.519783487429175, 
      "p_units": "Pa", 
      "rhomolar": 24.069564468084323, 
      "rhomolar_units": "mol/m^3"
    }
  }, 
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Lemmon-IJT-2004", 
      "critical": {
        "GAMMA": 0.055, 
        "R0": 1.01, 
        "T_ref": 252.384, 
        "gamma": 1.2415, 
        "qD": 2500000000.0, 
        "type": "simplified_Olchowy_Sengers", 
        "zeta0": 1.7e-10
      }, 
      "dilute": {
        "A": [
          0.001511, 
          0.002117, 
          -0.003332
        ], 
        "t": [
          0, 
          -1.0, 
          -0.7
        ], 
        "type": "eta0_and_poly"
      }, 
      "residual": {
        "A": [
          0.008862, 
          0.03111, 
          -0.07313, 
          0.02003, 
          -0.0007096, 
          0.0002672
        ], 
        "d": [
          1, 
          2, 
          3, 
          4, 
          8, 
          10
        ], 
        "gamma": [
          0, 
          0, 
          1, 
          1, 
          1, 
          1
        ], 
        "l": [
          0, 
          0, 
          1, 
          2, 
          2, 
          2
        ], 
        "t": [
          0.0, 
          0.03, 
          0.2, 
          0.8, 
          0.6, 
          1.9
        ], 
        "type": "polynomial_and_exponential"
      }
    }, 
    "viscosity": {
      "BibTeX": "Lemmon-IJT-2004", 
      "dilute": {
        "C": 2.66958e-08, 
        "a": [
          0.431, 
          -0.4623, 
          0.08406, 
          0.005341, 
          -0.00331
        ], 
        "molar_mass": 0.02801348, 
        "molar_mass_units": "kg/mol", 
        "t": [
          0, 
          1, 
          2, 
          3, 
          4
        ], 
        "type": "collision_integral"
      }, 
      "epsilon_over_k": 98.94, 
      "epsilon_over_k_units": "K", 
      "higher_order": {
        "T_reduce": 126.192, 
        "T_reduce_units": "K", 
        "a": [
          1.072e-05, 
          3.989e-08, 
          1.208e-09, 
          -7.402e-06, 
          4.62e-06
        ], 
        "d1": [
          2, 
          10, 
          12, 
          2, 
          1
        ], 
        "d2": [
          1
        ], 
        "f": [
          0
        ], 
        "g": [
          1
        ], 
        "gamma": [
          0, 
          -1, 
          -1, 
          -1, 
          -1
        ], 
        "h": [
          0
        ], 
        "l": [
          0, 
          1, 
          1, 
          2, 
          3
        ], 
        "p": [
          1
        ], 
        "q": [
          0
        ], 
        "rhomolar_reduce": 11183.9, 
        "rhomolar_reduce_units": "mol/m^3", 
        "t1": [
          0.1, 
          0.25, 
          3.2, 
          0.9, 
          0.3
        ], 
        "t2": [
          0
        ], 
        "type": "modified_Batschinski_Hildebrand"
      }, 
      "sigma_eta": 3.656e-10, 
      "sigma_eta_units": "m"
    }
  }
}