{
  "ALIASES": [
    "methanol", 
    "METHANOL"
  ], 
  "ANCILLARIES": {
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        35.66463263615916, 
        1.4353310701558266, 
        -0.008950393787956215, 
        2.9337423838940063e-05, 
        -5.499011031821811e-08, 
        5.51441189018401e-11, 
        -2.327718911107427e-14
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      "B": [
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        -0.0019141281204627732
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 61.2856370214995, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "hLV": {
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        -13.740406862193629, 
        0.07653430639346578, 
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        4.615332840950274e-07, 
        -4.657213225109496e-10, 
        1.9655935040301265e-13
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      "B": [
        1, 
        -0.0019076194007431187
      ], 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 110.86886551798398, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "melting_line": {
      "BibTeX": "deReuck-BOOK-1993", 
      "T_m": 337.8, 
      "parts": [
        {
          "T_0": 175.61, 
          "T_max": 245.9, 
          "T_min": 175.61, 
          "a": [
            5330770000.0, 
            4524780000.0, 
            38888610000.0
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          "p_0": 0.187, 
          "t": [
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            1.5, 
            4
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      "type": "polynomial_in_Theta"
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    "pL": {
      "T_r": 512.5, 
      "Tmax": 512.4999999999987, 
      "Tmin": 175.61, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.616314584184563, 
      "n": [
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        0.37064921000560125, 
        -3.6850178941332135, 
        -5.531504842398972, 
        -0.1261742218723768, 
        -1.6655134662275959
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      "reducing_value": 8215850.0, 
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        0.728, 
        1.284, 
        3.131, 
        3.97
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      "type": "pL", 
      "using_tau_r": true
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    "pV": {
      "T_r": 512.5, 
      "Tmax": 512.4999999999987, 
      "Tmin": 175.61, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 1.1479027322796709, 
      "n": [
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        2.329401753678273, 
        -9.196622819856332, 
        -10.174860953774617, 
        45.49763577474272, 
        -39.730762470567974
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      "reducing_value": 8215850.0, 
      "t": [
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        0.608, 
        0.825, 
        2.846, 
        4.042, 
        4.296
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      "type": "pV", 
      "using_tau_r": true
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    "rhoL": {
      "T_r": 512.5, 
      "Tmax": 512.4999999999987, 
      "Tmin": 175.61, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 5.46722419332033, 
      "n": [
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        70.59427259347439, 
        -189.29658717018955, 
        1579.5702126119343, 
        -1503.171465635914, 
        1224.7374907070093
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      "reducing_value": 8520.024867237415, 
      "t": [
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        2.205, 
        2.877, 
        4.603, 
        4.808, 
        17.68
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      "type": "rhoLnoexp", 
      "using_tau_r": false
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    "rhoV": {
      "T_r": 512.5, 
      "Tmax": 512.4999999999987, 
      "Tmin": 175.61, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 5.061502849483923, 
      "n": [
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        54.70138118736733, 
        -107.17903730678354, 
        3012.9973099493213, 
        -2968.802266130763, 
        -23.433991775839367
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      "reducing_value": 8520.024867237415, 
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        1.164, 
        1.17, 
        15.066
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      "type": "rhoV", 
      "using_tau_r": true
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        1.698468990250577, 
        -0.005989579204133027, 
        1.1547409569288378e-05, 
        -2.8180272642465586e-09, 
        -3.224863238909218e-11, 
        5.596444454176415e-14, 
        -3.0271372578395995e-17
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        -0.0019160965820848028
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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": 0.11022584651395562, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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        -11.779265482195777, 
        0.06435589383886657, 
        -0.0002002807298958015, 
        3.505659622088616e-07, 
        -3.0260886058377475e-10, 
        6.177270734482849e-14, 
        4.798709485585036e-17
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        -0.0019080244468194416
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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": 0.21144768345295262, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 513.38, 
      "a": [
        0.22421, 
        -0.21408, 
        0.083233
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.3355, 
        1.677, 
        4.4402
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  }, 
  "CAS": "67-56-1", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": 3, 
    "GWP100": 2.8, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 2, 
    "Name": "Methanol", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Piazza-FPE-2013", 
      "STATES": {
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          "T": 563.75, 
          "T_units": "K", 
          "hmolar": 13649659.872149948, 
          "hmolar_units": "J/mol", 
          "p": 15029457.577355228, 
          "p_units": "Pa", 
          "rhomolar": 7668.022380513673, 
          "rhomolar_units": "mol/m^3", 
          "smolar": -82.70528168150894, 
          "smolar_units": "J/mol/K"
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        "reducing": {
          "T": 512.5, 
          "T_units": "K", 
          "p": 8215850, 
          "p_units": "Pa", 
          "rhomolar": 8520.024867237415, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 175.61, 
          "T_units": "K", 
          "p": 0.0001867637574117855, 
          "p_units": "Pa", 
          "rhomolar": 28227.37433284738, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
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          "T_units": "K", 
          "p": 0.0001867637574117855, 
          "p_units": "Pa", 
          "rhomolar": 0.0001279343965397924, 
          "rhomolar_units": "mol/m^3"
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      "T_max": 580, 
      "T_max_units": "K", 
      "Ttriple": 175.61, 
      "Ttriple_units": "K", 
      "accentric": 0.5720322, 
      "accentric_units": "-", 
      "alpha0": [
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          "a1": 13.9864114647, 
          "a2": 3200.6369296, 
          "type": "IdealGasHelmholtzLead"
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        {
          "a": 3.1950423807804, 
          "type": "IdealGasHelmholtzLogTau"
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        {
          "n": [
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          "t": [
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          "type": "IdealGasHelmholtzPower"
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        {
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          "type": "IdealGasHelmholtzPlanckEinstein"
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          "a1": -18.655572723326, 
          "a2": -3195.18522006798, 
          "reference": "NBP", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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            5, 
            1, 
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          "l": [
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          "n": [
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          "t": [
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            0.25, 
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            2.375, 
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            5.875, 
            5, 
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            19, 
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            14, 
            12
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          "type": "ResidualHelmholtzPower"
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        {
          "a": 2, 
          "epsilonbar": 5.46341463, 
          "kappabar": 0.00148852832, 
          "m": 0.977118832, 
          "type": "ResidualHelmholtzAssociating", 
          "vbarn": 0.204481952
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      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.03204216, 
      "molar_mass_units": "kg/mol", 
      "p_max": 500000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "Methanol", 
  "REFPROP_NAME": "METHANOL", 
  "STATES": {
    "critical": {
      "T": 512.5, 
      "T_units": "K", 
      "p": 8215850.0, 
      "p_units": "Pa", 
      "rhomolar": 8520.024867237415, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 175.61, 
      "T_units": "K", 
      "p": 0.0001867637574117855, 
      "p_units": "Pa", 
      "rhomolar": 28227.37433284738, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 175.61, 
      "T_units": "K", 
      "p": 0.0001867637574117855, 
      "p_units": "Pa", 
      "rhomolar": 0.0001279343965397924, 
      "rhomolar_units": "mol/m^3"
    }
  }
}