Relationships among strain energies of mono- and poly-cyclic cyclohexanoid molecules and strain of their component rings
作者： Sergey P. Verevkin
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摘要: Abstract The standard molar enthalpies of vaporizationΔlgHmo N -(hydroxyethyl)-piperazine, bis-piperidino-methane, 1,3,5-tri-methyl-hexahydro-s-triazine, and also the sublimation ΔcrgHmoofN,N′ -di(hydroxyethyl)-piperazine, hexamethylenetetramine were obtained from temperature dependence vapor pressure measured in a flow system. formationΔfHmo (l) at temperatureT = 298.15 K by means combustion calorimetry for bis-piperidino-methane 1,3,5-tri-methyl-hexahydro-s-triazine. Strain (ring-correction terms) these cyclohexanoid molecules derived experimental formation gaseous compounds. These results, together with data available literature, provided quantitative understanding interrelations structure energetics mono- poly-cyclic strain their component rings.
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