H-H VANDERWAALS DISTANCE IN COOPERATIVE O-H-O-H-O HYDROGEN-BONDS DETERMINED FROM NEUTRON-DIFFRACTION DATA

被引：23

作者：

STEINER, T

SAENGER, W

机构：

来源：

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE | 1991年 / 47卷

关键词：

D O I：

10.1107/S0108768191005931

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The shortest possible H...H distance in hydrogen bonds of the cooperative type O-H...O-H...O has been determined from 23 neutron diffraction crystal structures of carbohydrates. The value of d(HH,min) approximately 2.05 angstrom is the same for all combinations of hydroxyl and water donors and acceptors and for all hydrogen-bonding geometries observed, and significantly shorter than the 2.4 angstrom based on classical van der Waals radii.

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页码：1022 / 1023

页数：2

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