Co-crystalline hydrogen bonded solids based on the alcohol-carboxylic acid-alcohol supramolecular motif

被引：17
作者：
Alshahateet, SF
Nakano, K
Bishop, R [1 ]
Craig, DC
Harris, KDM
Scudder, ML
机构：
[1] Univ New S Wales, Sch Chem Sci, Sydney, NSW 2052, Australia
[2] Cardiff Univ, Dept Chem, Cardiff CF10 3TB, S Glam, Wales
来源：
CRYSTENGCOMM | 2004年 / 6卷
关键词：
D O I：
10.1039/b313956e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The helical tubuland diol 4 forms 1:1 hydrogen bonded co-crystalline adducts with 2-propanol and propanoic acid in space group P2(1)/c, and with benzoic acid in C2/c. In the first of these compounds, the 2-propanol molecules contribute one hydroxy group to the intermolecular ...O-H...O-H...O-H... hydrogen bond repeat unit. The co-crystals formed with propanoic acid and benzoic acid both contain a ...O-H...O=C(R)-O-H...O-H... repeat unit with the hydrogen bonds surrounding a pseudo-threefold screw axis, and where the carboxylic acid group functions like an extended alcohol hydroxy group. Aromatic offset face-face associations also play a significant role in the crystal structure of the benzoic acid compound.
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页码：5 / 10
页数：6
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