{
  "ALIASES": [
    "NH3", 
    "ammonia", 
    "R717", 
    "AMMONIA"
  ], 
  "ANCILLARIES": {
    "hL": {
      "A": [
        -14511.67269519521, 
        -426.2450032043393, 
        6.050438544960786, 
        -0.03674017898167702, 
        0.00013143304778043063, 
        -2.83820004449035e-07, 
        3.415834428726085e-10, 
        -1.765842845168501e-13
      ], 
      "B": [
        1, 
        -0.002449646152368599
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 175.28887250045227, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "hLV": {
      "A": [
        -39724.74349433728, 
        1733.8562104596845, 
        -20.203609776535263, 
        0.12347570471138355, 
        -0.00044905691612715014, 
        9.73581734413261e-07, 
        -1.1647653834454674e-09, 
        5.943013421732148e-13
      ], 
      "B": [
        1, 
        -0.0024452582292987025
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 360.5001261748321, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "pL": {
      "T_r": 405.4, 
      "Tmax": 405.39999999999924, 
      "Tmin": 195.495, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.05593199097324586, 
      "n": [
        0.26451389481308607, 
        -0.7119993599850943, 
        -5.639513556769752, 
        -0.4174451206068972, 
        -4.182083153326861, 
        2.5564697890820667
      ], 
      "reducing_value": 11333000.0, 
      "t": [
        0.575, 
        0.731, 
        0.973, 
        1.285, 
        4.213, 
        6.264
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 405.4, 
      "Tmax": 405.39999999999924, 
      "Tmin": 195.495, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.05181632089212851, 
      "n": [
        0.0016131703802769548, 
        0.01339903644956835, 
        -6.4517151211338994, 
        -4.349105787320862, 
        1.8295554336003688, 
        7.011533373126273
      ], 
      "reducing_value": 11333000.0, 
      "t": [
        0.108, 
        0.435, 
        0.971, 
        4.023, 
        4.944, 
        17.494
      ], 
      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 405.4, 
      "Tmax": 405.39999999999924, 
      "Tmin": 195.495, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.8982235822398099, 
      "n": [
        0.6217530323464998, 
        116.65648581323893, 
        -116.06575843470785, 
        2.722640286484237, 
        -2.6080795358675433, 
        18.393705416728867
      ], 
      "reducing_value": 13211.777154312385, 
      "t": [
        0.217, 
        0.713, 
        0.724, 
        1.557, 
        3.994, 
        9.339
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 405.4, 
      "Tmax": 405.39999999999924, 
      "Tmin": 195.495, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.802513430755436, 
      "n": [
        1.2911157089516188, 
        -1.4201786958021996, 
        -145.4871281248165, 
        140.71212306607288, 
        -3.147462914747211, 
        -0.9907144617787934
      ], 
      "reducing_value": 13211.777154312385, 
      "t": [
        0.037, 
        0.04, 
        0.584, 
        0.585, 
        2.858, 
        6.099
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "sL": {
      "A": [
        -149.6472986423074, 
        0.38698412571100554, 
        0.00592073226099686, 
        -5.250646383816199e-05, 
        2.107549282034896e-07, 
        -4.796695517326019e-10, 
        5.959855018673447e-13, 
        -3.155533468794041e-16
      ], 
      "B": [
        1, 
        -0.0024497866640834387
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.42981085973895183, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "sLV": {
      "A": [
        631.3189861533599, 
        -6.9424600092972355, 
        0.03318088956507414, 
        -6.831799581326684e-05, 
        -4.46837518362279e-08, 
        5.224221403947832e-10, 
        -9.895903905526437e-13, 
        6.451791765806702e-16
      ], 
      "B": [
        1, 
        -0.0024452737468107525
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.8904987645505238, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 405.4, 
      "a": [
        0.1028, 
        -0.09453
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.211, 
        5.585
      ]
    }
  }, 
  "CAS": "7664-41-7", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "B2", 
    "FH": 1, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 3, 
    "Name": "Ammonia", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "TillnerRoth-DKV-1993", 
      "STATES": {
        "hs_anchor": {
          "T": 445.94, 
          "T_units": "K", 
          "hmolar": 25012.280343289814, 
          "hmolar_units": "J/mol", 
          "p": 18635643.933141712, 
          "p_units": "Pa", 
          "rhomolar": 11890.599438881152, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 75.46262589632495, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
          "T": 405.4, 
          "T_units": "K", 
          "p": 11333000, 
          "p_units": "Pa", 
          "rhomolar": 13211.77715431239, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 195.495, 
          "T_units": "K", 
          "p": 6091.223107269465, 
          "p_units": "Pa", 
          "rhomolar": 43035.339292073215, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
          "T": 195.495, 
          "T_units": "K", 
          "p": 6091.223107574163, 
          "p_units": "Pa", 
          "rhomolar": 3.763506027013325, 
          "rhomolar_units": "mol/m^3"
        }
      }, 
      "T_max": 700, 
      "T_max_units": "K", 
      "Ttriple": 195.495, 
      "Ttriple_units": "K", 
      "accentric": 0.25601, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": -15.81502, 
          "a2": 4.255726, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": -1, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
            11.47434, 
            -1.296211, 
            0.5706757
          ], 
          "t": [
            0.3333333333333333, 
            -1.5, 
            -1.75
          ], 
          "type": "IdealGasHelmholtzPower"
        }, 
        {
          "a1": -0.965940085369186, 
          "a2": 0.723282863334932, 
          "reference": "OTH", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
        }
      ], 
      "alphar": [
        {
          "d": [
            2, 
            1, 
            4, 
            1, 
            15, 
            3, 
            3, 
            1, 
            8, 
            2, 
            1, 
            8, 
            1, 
            2, 
            3, 
            2, 
            4, 
            3, 
            1, 
            2, 
            4
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            1, 
            1, 
            1, 
            2, 
            2, 
            2, 
            2, 
            2, 
            2, 
            2, 
            3, 
            3, 
            3, 
            3
          ], 
          "n": [
            0.04554431, 
            0.7238548, 
            0.0122947, 
            -1.858814, 
            2.141882e-11, 
            -0.0143002, 
            0.3441324, 
            -0.2873571, 
            2.352589e-05, 
            -0.03497111, 
            0.02397852, 
            0.001831117, 
            -0.04085375, 
            0.2379275, 
            -0.03548972, 
            -0.1823729, 
            0.02281556, 
            -0.006663444, 
            -0.008847486, 
            0.002272635, 
            -0.0005588655
          ], 
          "t": [
            -0.5, 
            0.5, 
            1, 
            1.5, 
            3, 
            0, 
            3, 
            4, 
            4, 
            5, 
            3, 
            5, 
            6, 
            8, 
            8, 
            10, 
            10, 
            5, 
            7.5, 
            15, 
            30
          ], 
          "type": "ResidualHelmholtzPower"
        }
      ], 
      "gas_constant": 8.314471, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.01703026, 
      "molar_mass_units": "kg/mol", 
      "p_max": 1000000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "Ammonia", 
  "REFPROP_NAME": "AMMONIA", 
  "STATES": {
    "critical": {
      "T": 405.4, 
      "T_units": "K", 
      "p": 11333000.0, 
      "p_units": "Pa", 
      "rhomolar": 13211.777154312385, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 195.495, 
      "T_units": "K", 
      "p": 6091.223107269465, 
      "p_units": "Pa", 
      "rhomolar": 43035.339292073215, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 195.495, 
      "T_units": "K", 
      "p": 6091.223107574163, 
      "p_units": "Pa", 
      "rhomolar": 3.763506027013325, 
      "rhomolar_units": "mol/m^3"
    }
  }, 
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Tufeu-BBPC-1984", 
      "critical": {
        "hardcoded": "Ammonia"
      }, 
      "dilute": {
        "A": [
          0.03589, 
          -0.000175, 
          4.551e-07, 
          1.685e-10, 
          -4.828e-13
        ], 
        "B": [
          1.0
        ], 
        "T_reducing": 1, 
        "T_reducing_units": "K", 
        "m": [
          0
        ], 
        "n": [
          0, 
          1, 
          2, 
          3, 
          4
        ], 
        "type": "ratio_of_polynomials"
      }, 
      "residual": {
        "B": [
          0.03808645, 
          0.06647986, 
          -0.0300295, 
          0.00998779
        ], 
        "T_reducing": 1, 
        "T_reducing_units": "K", 
        "d": [
          1, 
          2, 
          3, 
          4
        ], 
        "rhomass_reducing": 235, 
        "rhomass_reducing_units": "kg/m^3", 
        "t": [
          0, 
          0, 
          0, 
          0
        ], 
        "type": "polynomial"
      }
    }, 
    "viscosity": {
      "BibTeX": "Fenghour-JPCRD-1995", 
      "_note": "There is a mysterious factor of 100 missing from the Fenghour equation for the dilute gas.  From REFPROP fluid file: !=0.021357*SQRT(MW)*(unknown factor of 100)  [Chapman-Enskog term]", 
      "dilute": {
        "C": 2.1357e-06, 
        "a": [
          4.9931822, 
          -0.61122364, 
          0.0, 
          0.18535124, 
          -0.11160946
        ], 
        "molar_mass": 0.01703026, 
        "molar_mass_units": "kg/mol", 
        "t": [
          0, 
          1, 
          2, 
          3, 
          4
        ], 
        "type": "collision_integral"
      }, 
      "epsilon_over_k": 386, 
      "epsilon_over_k_units": "K", 
      "higher_order": {
        "T_reduce": 405.4, 
        "T_reduce_units": "K", 
        "a": [
          4.005040600989671e-06, 
          -1.4107915123955129e-05, 
          3.4760743039321816e-05, 
          4.631310990138071e-06, 
          -3.937374461785061e-06, 
          -1.200075068367531e-05, 
          1.9284977991745303e-06
        ], 
        "d1": [
          3, 
          3, 
          2, 
          4, 
          4, 
          2, 
          4
        ], 
        "d2": [
          1
        ], 
        "f": [
          0.0
        ], 
        "g": [
          1
        ], 
        "gamma": [
          0, 
          0, 
          0, 
          0, 
          0, 
          0, 
          0
        ], 
        "h": [
          0
        ], 
        "l": [
          1, 
          1, 
          1, 
          1, 
          1, 
          1, 
          1
        ], 
        "p": [
          1
        ], 
        "q": [
          0
        ], 
        "rhomolar_reduce": 13211.8, 
        "rhomolar_reduce_units": "mol/m^3", 
        "t1": [
          0, 
          1, 
          2, 
          2, 
          3, 
          4, 
          4
        ], 
        "t2": [
          0
        ], 
        "type": "modified_Batschinski_Hildebrand"
      }, 
      "initial_density": {
        "b": [
          -1.7999496, 
          46.692621, 
          -534.60794, 
          3360.4074, 
          -13019.164, 
          33414.23, 
          -58711.743, 
          71426.686, 
          -59834.012, 
          33652.741, 
          -12027.35, 
          2434.8205, 
          -208.07957
        ], 
        "t": [
          -0.0, 
          -0.5, 
          -1.0, 
          -1.5, 
          -2.0, 
          -2.5, 
          -3.0, 
          -3.5, 
          -4.0, 
          -4.5, 
          -5.0, 
          -5.5, 
          -6.0
        ], 
        "type": "Rainwater-Friend"
      }, 
      "sigma_eta": 2.957e-10, 
      "sigma_eta_units": "m"
    }
  }
}