{
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      "max_abs_error": 818.4704096566672, 
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      "type": "pV", 
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      "Tmin": 236.93, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.8556608708030877, 
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      "type": "rhoLnoexp", 
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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", 
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      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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      "max_abs_error": 1.6953793746187564, 
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      "type": "rational_polynomial"
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    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
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  "CAS": "76-13-1", 
  "ENVIRONMENTAL": {
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    "FH": 0, 
    "GWP100": 6130.0, 
    "GWP20": 6540.0, 
    "GWP500": 2700.0, 
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    "Name": "R113", 
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      "accentric_units": "-", 
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          "type": "ResidualHelmholtzPower"
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      "gas_constant": 8.314471, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.187375, 
      "molar_mass_units": "kg/mol", 
      "p_max": 200000000, 
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      "pseudo_pure": false
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  "NAME": "R113", 
  "REFPROP_NAME": "R113", 
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    "triple_vapor": {
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}