{
  "ALIASES": [
    "nPentane", 
    "Pentane", 
    "PENTANE", 
    "N-PENTANE", 
    "R601"
  ], 
  "ANCILLARIES": {
    "hL": {
      "A": [
        -91748.15701675722, 
        280.3635514952717, 
        0.49960568285148166, 
        -0.005765532316297994, 
        2.336809559337255e-05, 
        -5.2465376042303215e-08, 
        6.158982108342183e-11, 
        -3.016129303045591e-14
      ], 
      "B": [
        1, 
        -0.0021085576428315524
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 467.2318843638441, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "hLV": {
      "A": [
        42852.612782991004, 
        -89.09411427491456, 
        -1.0965080087834147, 
        0.00996049036210071, 
        -4.1508285757229954e-05, 
        9.499492553192304e-08, 
        -1.1547633944824825e-10, 
        5.895624278444416e-14
      ], 
      "B": [
        1, 
        -0.002104460886918373
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 1119.4621485131327, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "melting_line": {
      "BibTeX": "Reeves-JCP-1964", 
      "T_m": 143.26, 
      "parts": [
        {
          "T_0": 143.5, 
          "T_max": 156.2, 
          "T_min": 143.47, 
          "a": 660000000.0, 
          "c": 1.649, 
          "p_0": 0.0
        }
      ], 
      "type": "Simon"
    }, 
    "pL": {
      "T_r": 469.7, 
      "Tmax": 469.69999999999914, 
      "Tmin": 143.47, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.03728114510677116, 
      "n": [
        0.04748174519828376, 
        -6.629115738167101, 
        0.6562557112100337, 
        -2.28440361956112, 
        -1.308924059672944, 
        -1.1435668798949066
      ], 
      "reducing_value": 3370000.0, 
      "t": [
        0.642, 
        0.976, 
        1.848, 
        3.17, 
        3.871, 
        7.841
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 469.7, 
      "Tmax": 469.69999999999914, 
      "Tmin": 143.47, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.029330284037554222, 
      "n": [
        0.0002920351277984843, 
        -468.97717292372954, 
        465.7564333009324, 
        -3.372619624545633, 
        -3.4063439897011767, 
        -1.5154480392091865
      ], 
      "reducing_value": 3370000.0, 
      "t": [
        0.137, 
        1.119, 
        1.123, 
        1.477, 
        3.969, 
        12.951
      ], 
      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 469.7, 
      "Tmax": 469.69999999999914, 
      "Tmin": 143.47, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 3.114298806470317, 
      "n": [
        2.3841375525242356, 
        0.19925431521697065, 
        5225.0215429825175, 
        38711.30119718553, 
        -196165.0631164374, 
        157517.76191925188
      ], 
      "reducing_value": 3215.5775884221466, 
      "t": [
        0.389, 
        1.069, 
        18.567, 
        18.567, 
        19.512, 
        19.95
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 469.7, 
      "Tmax": 469.69999999999914, 
      "Tmin": 143.47, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 3.2828728664463958, 
      "n": [
        -4.317782477894743, 
        -2.2050235507345954, 
        -2.7959424348848843, 
        -5.048155874145048, 
        472.4781512909357, 
        -547.9642656628733
      ], 
      "reducing_value": 3215.5775884221466, 
      "t": [
        0.482, 
        1.994, 
        4.101, 
        9.312, 
        18.36, 
        19.107
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "sL": {
      "A": [
        -504.65180824118926, 
        4.584824329697925, 
        -0.024793131230327607, 
        9.373375396356735e-05, 
        -2.3095577146772205e-07, 
        3.4961470282895133e-10, 
        -2.967656641566457e-13, 
        1.0761195559770536e-16
      ], 
      "B": [
        1, 
        -0.002103567651150595
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 1.100747180144161, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "sLV": {
      "A": [
        1247.331475459448, 
        -18.8748003608222, 
        0.14207314874464144, 
        -0.0006413210149262278, 
        1.7999348626592357e-06, 
        -3.081167282718523e-09, 
        2.9482770150192455e-12, 
        -1.2084540518270665e-15
      ], 
      "B": [
        1, 
        -0.00207743284896502
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 3.161016382192936, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 469.7, 
      "a": [
        0.08015, 
        0.004384, 
        -0.03437
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.408, 
        1.031, 
        1.818
      ]
    }
  }, 
  "CAS": "109-66-0", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": 4, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 2, 
    "Name": "n-Pentane", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "Jaeschke-IJT-1995", 
      "BibTeX_EOS": "Span-IJT-2003B", 
      "STATES": {
        "hs_anchor": {
          "T": 516.6700000000001, 
          "T_units": "K", 
          "hmolar": 21912.701095527955, 
          "hmolar_units": "J/mol", 
          "p": 5578204.572176037, 
          "p_units": "Pa", 
          "rhomolar": 2894.0198295799323, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 73.77416723386587, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
          "T": 469.7, 
          "T_units": "K", 
          "p": 3370000, 
          "p_units": "Pa", 
          "rhomolar": 3215.577588422147, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 143.47, 
          "T_units": "K", 
          "p": 7.632218395084951e-05, 
          "p_units": "Pa", 
          "rhomolar": 10566.403034046354, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
          "T": 143.47, 
          "T_units": "K", 
          "p": 7.632218395084951e-05, 
          "p_units": "Pa", 
          "rhomolar": 6.398133659997455e-05, 
          "rhomolar_units": "mol/m^3"
        }
      }, 
      "T_max": 573, 
      "T_max_units": "K", 
      "Ttriple": 143.47, 
      "Ttriple_units": "K", 
      "accentric": 0.251, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": -1.548185641277708, 
          "a2": 0, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": -1, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "T0": 298, 
          "Tc": 469.7, 
          "c": [
            4, 
            8.95043, 
            178.67, 
            21.836, 
            840.538
          ], 
          "type": "IdealGasHelmholtzCP0AlyLee"
        }, 
        {
          "T0": 298, 
          "Tc": 469.7, 
          "c": [
            0, 
            33.4032, 
            1774.25, 
            0, 
            0
          ], 
          "type": "IdealGasHelmholtzCP0AlyLee"
        }, 
        {
          "a1": 4.12081292405308, 
          "a2": 3.14199957169349, 
          "reference": "NBP", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
        }
      ], 
      "alphar": [
        {
          "d": [
            1, 
            1, 
            1, 
            2, 
            3, 
            7, 
            2, 
            5, 
            1, 
            4, 
            3, 
            4
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            2, 
            2, 
            3, 
            3
          ], 
          "n": [
            1.0968643, 
            -2.9988888, 
            0.99516887, 
            -0.16170709, 
            0.1133446, 
            0.00026760595, 
            0.40979882, 
            -0.040876423, 
            -0.38169482, 
            -0.10931957, 
            -0.032073223, 
            0.016877016
          ], 
          "t": [
            0.25, 
            1.125, 
            1.5, 
            1.375, 
            0.25, 
            0.875, 
            0.625, 
            1.75, 
            3.625, 
            3.625, 
            14.5, 
            12
          ], 
          "type": "ResidualHelmholtzPower"
        }
      ], 
      "gas_constant": 8.31451, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.07214878, 
      "molar_mass_units": "kg/mol", 
      "p_max": 69000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "n-Pentane", 
  "REFPROP_NAME": "PENTANE", 
  "STATES": {
    "critical": {
      "T": 469.7, 
      "T_units": "K", 
      "p": 3370000.0, 
      "p_units": "Pa", 
      "rhomolar": 3215.5775884221466, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 143.47, 
      "T_units": "K", 
      "p": 7.632218395084951e-05, 
      "p_units": "Pa", 
      "rhomolar": 10566.403034046354, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 143.47, 
      "T_units": "K", 
      "p": 7.632218395084951e-05, 
      "p_units": "Pa", 
      "rhomolar": 6.398133659997455e-05, 
      "rhomolar_units": "mol/m^3"
    }
  }
}