{
  "ANCILLARIES": {
    "hL": {
      "A": [
        -82967.04508064919,
        260.2372162433227,
        -0.034970886413789794,
        -0.002177438735888209,
        1.1462304954207089e-05,
        -2.8272132811631747e-08,
        3.3595401750030757e-11,
        -1.5956143006594233e-14
      ],
      "B": [
        1,
        -0.0019226027816816192
      ],
      "Tmax": 511.62,
      "Tmin": 179.70000000000002,
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 280.4623379773948,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
    },
    "hLV": {
      "A": [
        28970.129775332585,
        239.68079267584,
        -3.9055324410864998,
        0.022771036176135056,
        -7.435469873539547e-05,
        1.405723912870662e-07,
        -1.4411579611061524e-10,
        6.241656711740509e-14
      ],
      "B": [
        1,
        -0.0019142756673466703
      ],
      "Tmax": 511.62,
      "Tmin": 179.70000000000002,
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 629.6980290357342,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
    },
    "pS": {
      "T_r": 511.72,
      "Tmax": 511.719999999999,
      "Tmin": 179.7,
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.028737273286005838,
      "n": [
        -9.601889908950373,
        3.974125106492668,
        2.6925579604302676,
        -4.621940458120144,
        -5.157782358169021,
        3.340182642033233
      ],
      "reducing_value": 4571200.0,
      "t": [
        1.041,
        1.3,
        1.87,
        2.257,
        5.99,
        6.955
      ],
      "type": "pV",
      "using_tau_r": true
    },
    "rhoL": {
      "T_r": 511.72,
      "Tmax": 511.719999999999,
      "Tmin": 179.7,
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.30360463662223447,
      "n": [
        4.175321169438228,
        -3.3972763608243954,
        3.265444750596592,
        -14.140653461920774,
        419.1357335784064,
        -484.6437448434436
      ],
      "reducing_value": 3820.0000000000005,
      "t": [
        0.545,
        1.142,
        2.232,
        6.456,
        11.186,
        11.952
      ],
      "type": "rhoLnoexp",
      "using_tau_r": false
    },
    "rhoV": {
      "T_r": 511.72,
      "Tmax": 511.719999999999,
      "Tmin": 179.7,
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.94766458281903,
      "n": [
        -5.935725453092267,
        1.591120947182766,
        -8.958815994240467,
        198.61227335356796,
        -245.69777423593865,
        469.5550522878147
      ],
      "reducing_value": 3820.0000000000005,
      "t": [
        0.602,
        1.076,
        3.895,
        8.292,
        8.939,
        18.105
      ],
      "type": "rhoV",
      "using_tau_r": true
    },
    "sL": {
      "A": [
        -386.01608331683764,
        3.2122377658067807,
        -0.0169732841925509,
        6.271948339413835e-05,
        -1.4629342636010392e-07,
        2.0390956532637042e-10,
        -1.5610033210537958e-13,
        5.0225473928324584e-17
      ],
      "B": [
        1,
        -0.0019201294558094694
      ],
      "Tmax": 511.62,
      "Tmin": 179.70000000000002,
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
      "max_abs_error": 0.5726281359152416,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
    },
    "sLV": {
      "A": [
        1018.1265556285031,
        -12.883955620977005,
        0.080916681306205,
        -0.0003056048758390497,
        7.191688357095781e-07,
        -1.0340312624334998e-09,
        8.322079254269633e-13,
        -2.869463256903534e-16
      ],
      "B": [
        1,
        -0.001904988598000849
      ],
      "Tmax": 511.62,
      "Tmin": 179.70000000000002,
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
      "max_abs_error": 1.3543458330001905,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
    },
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2014",
      "Tc": 511.72,
      "a": [
        0.07348
      ],
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
      "n": [
        1.388
      ]
    }
  },
  "EOS": [
    {
      "BibTeX_CP0": "",
      "BibTeX_EOS": "Gedanitz-JCED-2015",
      "STATES": {
        "hs_anchor": {
          "T": 562.892,
          "T_units": "K",
          "hmolar": 48291.890258043895,
          "hmolar_units": "J/mol",
          "p": 7347467.012219244,
          "p_units": "Pa",
          "rhomolar": 3438.000000000001,
          "rhomolar_units": "mol/m^3",
          "smolar": 105.63004555968716,
          "smolar_units": "J/mol/K"
        },
        "reducing": {
          "T": 511.72,
          "T_units": "K",
          "hmolar": 38057.35612816187,
          "hmolar_units": "J/mol",
          "p": 4571200,
          "p_units": "Pa",
          "rhomolar": 3820.000000000001,
          "rhomolar_units": "mol/m^3",
          "smolar": 87.99746047649523,
          "smolar_units": "J/mol/K"
        },
        "sat_min_liquid": {
          "T": 179.70000000000002,
          "T_units": "K",
          "hmolar": -16303.03515188719,
          "hmolar_units": "J/mol",
          "p": 8.854271413109606,
          "p_units": "Pa",
          "rhomolar": 12107.608792031864,
          "rhomolar_units": "mol/m^3",
          "smolar": -65.71364194810882,
          "smolar_units": "J/mol/K"
        },
        "sat_min_vapor": {
          "T": 179.70000000000002,
          "T_units": "K",
          "hmolar": 17832.961868716047,
          "hmolar_units": "J/mol",
          "p": 8.85427148614248,
          "p_units": "Pa",
          "rhomolar": 0.0059262179116448864,
          "rhomolar_units": "mol/m^3",
          "smolar": 124.2473875963392,
          "smolar_units": "J/mol/K"
        }
      },
      "T_max": 550,
      "T_max_units": "K",
      "Ttriple": 179.7,
      "Ttriple_units": "K",
      "acentric": 0.201112573380599,
      "acentric_units": "-",
      "alpha0": [
        {
          "a1": 3.2489131288,
          "a2": 2.6444166315,
          "type": "IdealGasHelmholtzLead"
        },
        {
          "a": 0.96,
          "type": "IdealGasHelmholtzLogTau"
        },
        {
          "n": [
            3.34,
            18.6,
            13.9,
            4.86
          ],
          "t": [
            0.2345032439615415,
            2.540451809583366,
            5.276322989134683,
            10.35722660830141
          ],
          "type": "IdealGasHelmholtzPlanckEinstein"
        }
      ],
      "alphar": [
        {
          "d": [
            4,
            1,
            1,
            2,
            3,
            1,
            3,
            2,
            2,
            7
          ],
          "l": [
            0,
            0,
            0,
            0,
            0,
            2,
            2,
            1,
            2,
            1
          ],
          "n": [
            0.0536938,
            1.60394,
            -2.41244,
            -0.474009,
            0.203482,
            -0.965616,
            -0.344543,
            0.353975,
            -0.231373,
            -0.0379099
          ],
          "t": [
            1,
            0.29,
            0.8,
            1.14,
            0.5,
            2,
            1.5,
            1,
            3.36,
            0.95
          ],
          "type": "ResidualHelmholtzPower"
        },
        {
          "beta": [
            1.15,
            1.61,
            0.66,
            2.72
          ],
          "d": [
            1,
            1,
            3,
            3
          ],
          "epsilon": [
            0.68,
            0.97,
            0.84,
            0.66
          ],
          "eta": [
            0.82,
            1.19,
            0.79,
            1.52
          ],
          "gamma": [
            1.08,
            0.36,
            0.09,
            1.48
          ],
          "n": [
            0.867586,
            -0.381827,
            -0.108741,
            -0.0976984
          ],
          "t": [
            1,
            2.5,
            2.5,
            1.5
          ],
          "type": "ResidualHelmholtzGaussian"
        }
      ],
      "critical_region_splines": {
        "T_max": 511.72,
        "T_min": 511.7095934234679,
        "_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": [
          -4.880588052926918e-09,
          5.252717316693226e-05,
          -0.18764912368477027,
          734.1005944101676
        ],
        "cV": [
          5.250582737174832e-09,
          -6.357124543112242e-05,
          0.2558285044919253,
          169.4290891702673
        ],
        "rhomolar_max": 3873.2904355172786,
        "rhomolar_min": 3766.813756733369
      },
      "gas_constant": 8.314472,
      "gas_constant_units": "J/mol/K",
      "molar_mass": 0.07013290000000001,
      "molar_mass_units": "kg/mol",
      "p_max": 250000000,
      "p_max_units": "Pa",
      "pseudo_pure": false
    }
  ],
  "INFO": {
    "2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=8896",
    "ALIASES": [
      "CycloPentane",
      "cyclopentane",
      "CYCLOPENTANE",
      "CYCLOPEN"
    ],
    "CAS": "287-92-3",
    "CHEMSPIDER_ID": 8896,
    "ENVIRONMENTAL": {
      "ASHRAE34": "UNKNOWN",
      "FH": 3,
      "GWP100": -1.0,
      "GWP20": -1.0,
      "GWP500": -1.0,
      "HH": 2,
      "Name": "Cyclopentane",
      "ODP": -1.0,
      "PH": 1
    },
    "FORMULA": "C_{5}H_{10}",
    "INCHI_KEY": "RGSFGYAAUTVSQA-UHFFFAOYSA-N",
    "INCHI_STRING": "InChI=1S/C5H10/c1-2-4-5-3-1/h1-5H2",
    "NAME": "Cyclopentane",
    "REFPROP_NAME": "CYCLOPEN",
    "SMILES": "C1CCCC1"
  },
  "STATES": {
    "critical": {
      "T": 511.72,
      "T_units": "K",
      "hmolar": 38048.96583266775,
      "hmolar_units": "J/mol",
      "p": 4571200.0,
      "p_units": "Pa",
      "rhomolar": 3820.000000000001,
      "rhomolar_units": "mol/m^3",
      "smolar": 87.98268208465164,
      "smolar_units": "J/mol/K"
    },
    "triple_liquid": {
      "T": 179.70000000000002,
      "T_units": "K",
      "hmolar": -16303.03515188719,
      "hmolar_units": "J/mol",
      "p": 8.854271413109606,
      "p_units": "Pa",
      "rhomolar": 12107.608792031864,
      "rhomolar_units": "mol/m^3",
      "smolar": -65.71364194810882,
      "smolar_units": "J/mol/K"
    },
    "triple_vapor": {
      "T": 179.70000000000002,
      "T_units": "K",
      "hmolar": 17832.961868716047,
      "hmolar_units": "J/mol",
      "p": 8.85427148614248,
      "p_units": "Pa",
      "rhomolar": 0.0059262179116448864,
      "rhomolar_units": "mol/m^3",
      "smolar": 124.2473875963392,
      "smolar_units": "J/mol/K"
    }
  },
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Vassiliou-JPCRD-2015-pentanes",
      "critical": {
        "GAMMA": 0.058,
        "R0": 1.02,
        "gamma": 1.239,
        "qD": 1602564102.5641024,
        "type": "simplified_Olchowy_Sengers",
        "zeta0": 2.16e-10
      },
      "dilute": {
        "A": [
          -0.0082523346,
          0.07633654,
          -0.2176154,
          0.31229877
        ],
        "B": [
          1,
          0.28341479,
          2.7890541,
          0.32645005
        ],
        "T_reducing": 511.72,
        "T_reducing_units": "K",
        "m": [
          0,
          1,
          2,
          3
        ],
        "n": [
          0,
          1,
          2,
          3
        ],
        "type": "ratio_of_polynomials"
      },
      "residual": {
        "B": [
          0.0920536,
          -0.0435129,
          -0.172699,
          0.112636,
          0.126557,
          -0.0908663,
          -0.0362296,
          0.028095,
          0.00388718,
          -0.00280368
        ],
        "T_reducing": 511.72,
        "T_reducing_units": "K",
        "d": [
          1,
          1,
          2,
          2,
          3,
          3,
          4,
          4,
          5,
          5
        ],
        "rhomass_reducing": 274.921,
        "rhomass_reducing_units": "kg/m^3",
        "t": [
          0,
          -1,
          0,
          -1,
          0,
          -1,
          0,
          -1,
          0,
          -1
        ],
        "type": "polynomial"
      }
    },
    "viscosity": {
      "BibTeX": "Chung-IECR-1988",
      "T_critical": 511.72,
      "T_critical_units": "K",
      "acentric": 0.1521,
      "acentric_units": "-",
      "dipole_moment_D": 0.0,
      "dipole_moment_D_units": "Debye",
      "kappa": 0.0,
      "kappa_units": "-",
      "molar_mass": 0.0701329,
      "molar_mass_units": "kg/mol",
      "rhomolar_critical": 3820.0,
      "rhomolar_critical_units": "mol/m^3",
      "type": "Chung"
    }
  }
}