COMPARATIVE-STUDY ON SOLID CRYSTALLINE-PLASTIC-VAPOR EQUILIBRIUM IN PLASTIC CRYSTALS FROM PENTAERYTHRITOL SERIES

被引:8
作者
FONT, J
MUNTASELL, J
机构
关键词
D O I
10.1039/jm9950501137
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Pressure-temperature equilibrium curves of some pentaerythritol derivatives have been determined from sublimation and thermobarometric measurements, on the solid crystalline-plastic-vapour domain. The comparative study has allowed us to analyse the effect that different groups have on the sublimation enthalpy and on the vapour pressure. The results obtained point out that CH2OH groups form stronger hydrogen bonds than NO2, giving rise to greater lattice energy values.
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页码:1137 / 1140
页数:4
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