{
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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": 226.44903269113092, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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      "max_abs_error": 503.8731998375981, 
      "max_abs_error_units": "J/mol", 
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      "max_abserror_percentage": 0.01455225507540625, 
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        -2.862828303715926, 
        8.09924761745426, 
        -8.871716790404001
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        3.702
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      "using_tau_r": true
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      "Tmax": 351.2549999999992, 
      "Tmin": 136.34, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.26499733941445225, 
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      "type": "rhoLnoexp", 
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      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.8887882076253018, 
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        -2.746299718061842, 
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        511.3349286855849, 
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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": 0.649294172581742, 
      "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": 1.5583277405038825, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 351.255, 
      "a": [
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
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  "CAS": "75-10-5", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "A2", 
    "FH": 4, 
    "GWP100": 675.0, 
    "GWP20": 2330.0, 
    "GWP500": 205.0, 
    "HH": 1, 
    "Name": "R32", 
    "ODP": -1.0, 
    "PH": 1
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  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "TillnerRoth-JPCRD-1997", 
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        "sat_min_liquid": {
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        "sat_min_vapor": {
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      "T_max": 435, 
      "T_max_units": "K", 
      "Ttriple": 136.34, 
      "Ttriple_units": "K", 
      "accentric": 0.2769, 
      "accentric_units": "-", 
      "alpha0": [
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          "a1": -8.258096, 
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        {
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          "type": "IdealGasHelmholtzLogTau"
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        {
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          "type": "IdealGasHelmholtzPlanckEinstein"
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          "t": [
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          "type": "ResidualHelmholtzPower"
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      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.052024, 
      "molar_mass_units": "kg/mol", 
      "p_max": 70000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
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  ], 
  "NAME": "R32", 
  "REFPROP_NAME": "R32", 
  "STATES": {
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      "p": 5782000.0, 
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    "triple_vapor": {
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      "rhomolar": 0.04235254435590307, 
      "rhomolar_units": "mol/m^3"
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}