{
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 893.4528800379776,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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        3.785965477140387e-14
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 1973.5146584270888,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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      "Tmin": 270.2,
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        368.2016194959781,
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      "using_tau_r": true
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      "T_r": 645.78,
      "Tmax": 645.7799999999984,
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      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
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        15327.689037983815,
        -19023.670087608214
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        14.519,
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      "type": "rhoLnoexp",
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        3.876363241873244e-10,
        -2.4235390259861773e-13,
        6.429824731774415e-17
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      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
      "max_abs_error": 1.5563542944057787,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
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      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
      "max_abs_error": 3.2728844204383636,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
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      "BibTeX": "Mulero-JPCRD-2014",
      "Tc": 645.78,
      "a": [
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
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  "EOS": [
    {
      "BibTeX_CP0": "",
      "BibTeX_EOS": "Colonna-FPE-2008",
      "STATES": {
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          "hmolar_units": "J/mol",
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          "rhomolar_units": "mol/m^3",
          "smolar": 315.70047950847186,
          "smolar_units": "J/mol/K"
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          "hmolar_units": "J/mol",
          "p": 961000,
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          "rhomolar": 627.2885477999996,
          "rhomolar_units": "mol/m^3",
          "smolar": 225.30398120909385,
          "smolar_units": "J/mol/K"
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        "sat_min_liquid": {
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          "T_units": "K",
          "hmolar": -194995.19760596415,
          "hmolar_units": "J/mol",
          "p": 0.1597529988242164,
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          "rhomolar_units": "mol/m^3",
          "smolar": -504.1815274669054,
          "smolar_units": "J/mol/K"
        },
        "sat_min_vapor": {
          "T": 270.2,
          "T_units": "K",
          "hmolar": -120568.4735005771,
          "hmolar_units": "J/mol",
          "p": 0.15975309946541058,
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          "rhomolar": 7.110984697426037e-05,
          "rhomolar_units": "mol/m^3",
          "smolar": -228.73103433656973,
          "smolar_units": "J/mol/K"
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      "T_max": 673,
      "T_max_units": "K",
      "Ttriple": 270.2,
      "Ttriple_units": "K",
      "acentric": 0.736,
      "acentric_units": "-",
      "alpha0": [
        {
          "a1": -7.938561730464921,
          "a2": 8.452340963237452,
          "type": "IdealGasHelmholtzLead"
        },
        {
          "a": -1,
          "type": "IdealGasHelmholtzLogTau"
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        {
          "T0": 518.109977174843,
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            118.0111016069331,
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            82.5909330141469,
            786.8
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          "type": "IdealGasHelmholtzCP0AlyLee"
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        {
          "a1": 16.2776881308826,
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          "reference": "NBP",
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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      "alphar": [
        {
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            2,
            3,
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            5,
            1,
            4,
            3,
            4
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            2,
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      "critical_region_splines": {
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        "T_min": 645.5612757191427,
        "_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": [
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      "gas_constant": 8.314472,
      "gas_constant_units": "J/mol/K",
      "molar_mass": 0.444924,
      "molar_mass_units": "kg/mol",
      "p_max": 30000000,
      "p_max_units": "Pa",
      "pseudo_pure": false
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  ],
  "INFO": {
    "2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=10449",
    "ALIASES": [
      "Dodecamethylcyclohexasiloxane",
      "DODECAMETHYLCYCLOHEXASILOXANE"
    ],
    "CAS": "540-97-6",
    "CHEMSPIDER_ID": 10449,
    "ENVIRONMENTAL": {
      "ASHRAE34": "UNKNOWN",
      "FH": -1,
      "GWP100": -1.0,
      "GWP20": -1.0,
      "GWP500": -1.0,
      "HH": -1,
      "Name": "D6",
      "ODP": -1.0,
      "PH": -1
    },
    "FORMULA": "C_{12}H_{36}O_{6}Si_{6}",
    "INCHI_KEY": "IUMSDRXLFWAGNT-UHFFFAOYSA-N",
    "INCHI_STRING": "InChI=1S/C12H36O6Si6/c1-19(2)13-20(3,4)15-22(7,8)17-24(11,12)18-23(9,10)16-21(5,6)14-19/h1-12H3",
    "NAME": "D6",
    "REFPROP_NAME": "D6",
    "SMILES": "C[Si]1(O[Si](O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)(C)C)C"
  },
  "STATES": {
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      "T": 645.78,
      "T_units": "K",
      "hmolar": 132314.90333618096,
      "hmolar_units": "J/mol",
      "p": 961000.0,
      "p_units": "Pa",
      "rhomolar": 627.2885477999996,
      "rhomolar_units": "mol/m^3",
      "smolar": 225.21470572882234,
      "smolar_units": "J/mol/K"
    },
    "triple_liquid": {
      "T": 270.2,
      "T_units": "K",
      "hmolar": -194995.19760596415,
      "hmolar_units": "J/mol",
      "p": 0.1597529988242164,
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      "rhomolar": 2245.0762899076435,
      "rhomolar_units": "mol/m^3",
      "smolar": -504.1815274669054,
      "smolar_units": "J/mol/K"
    },
    "triple_vapor": {
      "T": 270.2,
      "T_units": "K",
      "hmolar": -120568.4735005771,
      "hmolar_units": "J/mol",
      "p": 0.15975309946541058,
      "p_units": "Pa",
      "rhomolar": 7.110984697426037e-05,
      "rhomolar_units": "mol/m^3",
      "smolar": -228.73103433656973,
      "smolar_units": "J/mol/K"
    }
  }
}