{
  "ALIASES": [
    "Tetradecamethylhexasiloxane", 
    "TETRADECAMETHYLHEXASILOXANE"
  ], 
  "ANCILLARIES": {
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        965.6035089585127, 
        2.264812581766132, 
        -0.01147542041726315, 
        2.7997192545279762e-05, 
        -4.231112712736397e-08, 
        3.441107088963849e-11, 
        -1.1697595954974486e-14
      ], 
      "B": [
        1, 
        -0.0015184648009063104
      ], 
      "Tmax": 653.1, 
      "Tmin": 300.0, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 590.0050996788341, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "hLV": {
      "A": [
        -7147.084639167934, 
        2092.362911440379, 
        -18.055896034142947, 
        0.07303314369003591, 
        -0.00016939308317971891, 
        2.3077290045234083e-07, 
        -1.7248898999131837e-10, 
        5.4862026215761385e-14
      ], 
      "B": [
        1, 
        -0.0015136731306527513
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      "Tmax": 653.1, 
      "Tmin": 300.0, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 1630.7447667902306, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "pL": {
      "T_r": 653.2, 
      "Tmax": 653.1999999999987, 
      "Tmin": 300.0, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.05180314650858886, 
      "n": [
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        -9.893122006817906, 
        5.185077005280204, 
        -11.792071053769893, 
        -19.9746561375169, 
        17.061168452194554
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      "reducing_value": 877000.0, 
      "t": [
        0.125, 
        0.991, 
        1.833, 
        2.613, 
        6.567, 
        7.481
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 653.2, 
      "Tmax": 653.1999999999987, 
      "Tmin": 300.0, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.2079082094630813, 
      "n": [
        -8.820757645392687, 
        -0.6127877907019101, 
        -26.27913889220715, 
        82.26487645325933, 
        -215.38757534143105, 
        3331.0966160078788
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      "reducing_value": 877000.0, 
      "t": [
        0.966, 
        2.034, 
        4.287, 
        6.824, 
        9.507, 
        17.511
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      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 653.2, 
      "Tmax": 653.1999999999987, 
      "Tmin": 300.0, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 1.555158530110734, 
      "n": [
        0.4199342334140303, 
        3.429189550022302, 
        -1.2153016662432385, 
        531.3835498635794, 
        -2384171.350540733, 
        2608505.566671457
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      "reducing_value": 606.0605999999999, 
      "t": [
        0.108, 
        0.596, 
        0.925, 
        11.068, 
        18.766, 
        18.948
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 653.2, 
      "Tmax": 653.1999999999987, 
      "Tmin": 300.0, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 2.5748730719093893, 
      "n": [
        0.08238189107832351, 
        -2.7968804624045727, 
        -5.583554214981622, 
        -20.6920569486233, 
        43.02594538959137, 
        -1155.2598160559462
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      "reducing_value": 606.0605999999999, 
      "t": [
        0.153, 
        0.35, 
        0.973, 
        4.373, 
        8.956, 
        18.867
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      "type": "rhoV", 
      "using_tau_r": true
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    "sL": {
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        -1971.7365486774254, 
        10.161431313360508, 
        -0.02964674176579308, 
        6.647828025257365e-05, 
        -1.026138268350609e-07, 
        9.565016858030363e-11, 
        -4.785168177207534e-14, 
        9.432689078867096e-18
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      "B": [
        1, 
        -0.0015180864453242366
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      "Tmax": 653.1, 
      "Tmin": 300.0, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.9202125338124603, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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    "sLV": {
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        -17.926315473445882, 
        0.07443208388732933, 
        -0.00017864954794084002, 
        2.5626475804235805e-07, 
        -2.0998768750628712e-10, 
        8.379474709581161e-14, 
        -9.235667017638033e-18
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      "B": [
        1, 
        -0.001512882797189586
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      "Tmax": 653.1, 
      "Tmin": 300.0, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 2.554095511975399, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2014", 
      "Tc": 653.2, 
      "a": [
        0.040798
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.3323
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    }
  }, 
  "CAS": "107-52-8", 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Colonna-FPE-2006", 
      "STATES": {
        "hs_anchor": {
          "T": 718.5200000000001, 
          "T_units": "K", 
          "hmolar": 200661.8193872904, 
          "hmolar_units": "J/mol", 
          "p": 1706765.5807996986, 
          "p_units": "Pa", 
          "rhomolar": 560.1212459999996, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 318.623193345212, 
          "smolar_units": "J/mol/K"
        }, 
        "reducing": {
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          "T_units": "K", 
          "hmolar": 131258.55136871376, 
          "hmolar_units": "J/mol", 
          "p": 877470, 
          "p_units": "Pa", 
          "rhomolar": 622.3569399999996, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 219.42659313637026, 
          "smolar_units": "J/mol/K"
        }, 
        "sat_min_liquid": {
          "T": 300.0, 
          "T_units": "K", 
          "hmolar": -192165.5411667038, 
          "hmolar_units": "J/mol", 
          "p": 1.0933766955010495, 
          "p_units": "Pa", 
          "rhomolar": 1914.3670674385771, 
          "rhomolar_units": "mol/m^3", 
          "smolar": -467.0281947611479, 
          "smolar_units": "J/mol/K"
        }, 
        "sat_min_vapor": {
          "T": 300.0, 
          "T_units": "K", 
          "hmolar": -114535.48031775118, 
          "hmolar_units": "J/mol", 
          "p": 1.0933769537010591, 
          "p_units": "Pa", 
          "rhomolar": 0.00043834773808224334, 
          "rhomolar_units": "mol/m^3", 
          "smolar": -208.26132526585843, 
          "smolar_units": "J/mol/K"
        }
      }, 
      "T_max": 673, 
      "T_max_units": "K", 
      "Ttriple": 214.15, 
      "Ttriple_units": "K", 
      "accentric": 0.8246471472642924, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": -8.139550790894862, 
          "a2": 8.769441336438911, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": -1, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "T0": 532.723355998617, 
          "Tc": 653.2, 
          "cp_over_R": -2.41398371417933, 
          "type": "IdealGasHelmholtzCP0Constant"
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        {
          "T0": 532.723355998617, 
          "Tc": 653.2, 
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            -0.000157724988429812, 
            3.44219091723443e-08
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          "t": [
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            2, 
            3
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          "type": "IdealGasHelmholtzCP0PolyT"
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      "alphar": [
        {
          "d": [
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            2, 
            3, 
            7, 
            2, 
            5, 
            1, 
            4, 
            3, 
            4
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          "l": [
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            0, 
            0, 
            1, 
            1, 
            2, 
            2, 
            3, 
            3
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          "n": [
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            -0.61812689, 
            0.19535804, 
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            0.049462708, 
            -0.73685283, 
            -0.19991438, 
            -0.055118673, 
            0.028325885
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          "t": [
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            1.5, 
            1.375, 
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            0.625, 
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            12
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          "type": "ResidualHelmholtzPower"
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      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.45899328, 
      "molar_mass_units": "kg/mol", 
      "p_max": 30000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "MD4M", 
  "REFPROP_NAME": "MD4M", 
  "STATES": {
    "critical": {
      "T": 653.2, 
      "T_units": "K", 
      "p": 877000.0, 
      "p_units": "Pa", 
      "rhomolar": 606.0605999999999, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 300.0, 
      "T_units": "K", 
      "hmolar": -192165.5411667038, 
      "hmolar_units": "J/mol", 
      "p": 1.0933766955010495, 
      "p_units": "Pa", 
      "rhomolar": 1914.3670674385771, 
      "rhomolar_units": "mol/m^3", 
      "smolar": -467.0281947611479, 
      "smolar_units": "J/mol/K"
    }, 
    "triple_vapor": {
      "T": 300.0, 
      "T_units": "K", 
      "hmolar": -114535.48031775118, 
      "hmolar_units": "J/mol", 
      "p": 1.0933769537010591, 
      "p_units": "Pa", 
      "rhomolar": 0.00043834773808224334, 
      "rhomolar_units": "mol/m^3", 
      "smolar": -208.26132526585843, 
      "smolar_units": "J/mol/K"
    }
  }
}