期刊
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS
卷 64, 期 -, 页码 780-790出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S0108768108034526
关键词
-
资金
- South African National Research Foundation (NRF) [FA2006030100003]
- NRF [SFP2006061500015, SPF2005072700016]
The crystal structures of co-crystals of two systems of chiral carboxylic acids, optically active and racemic 2-phenylpropionic acid and 2-phenylbutyric acid, with isonicotinamide are reported to investigate the effects of the chirality of the chiral carboxylic acids on the melting point of the co-crystal complexes. It was found that the racemic co-crystal has a higher melting point than the optically active co-crystal, which correlates with the denser packing arrangement inherent in centrosymmetric space groups.
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