.Buildings.Fluid.CHPs.OrganicRankine.Data.WorkingFluids.Heptane .Buildings.Fluid.CHPs.OrganicRankine.Data.WorkingFluids.HeptaneRecord containing properties of n-heptane. Its name in CoolProp is "n-Heptane". A figure in the documentation of Buildings.Fluid.CHPs.OrganicRankine.ConstantEvaporation shows which lines these arrays represent.