STABILIZATION OF H2O.BF3 BY HYDROGEN-BONDING TO 18-CROWN-6

被引：24

作者：

BOTT, SG ^{[1
]}

ALVANIPOUR, A ^{[1
]}

ATWOOD, JL ^{[1
]}

机构：

[1] UNIV ALABAMA,DEPT CHEM,TUSCALOOSA,AL 35487

来源：

JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY | 1991年 / 10卷 / 01期

关键词：

HYDROGEN BONDING; 18-CROWN-6; BORON TRIFLUORIDE; WATER; CRYSTAL STRUCTURE;

D O I：

10.1007/BF01041648

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The decomposition of H2O . BF3 in both the solid and solution states is rapid at room temperature, but 18-crown-6 . H2O . BF3, 1, is stable to its melting point, 72-degrees-C. 1 crystallizes in the monoclinic space group C2/c with a = 27.273(9), b = 8.432(5), c = 22.936(9) angstrom, beta = 128.33(4)-degrees, and D(c) = 1.27 g cm-3 for Z = 8. Least-squares refinement based on 1409 observed reflections led to final R = 0.083. The BF3 is covalently bonded to the oxygen atom of the water molecule which in turn is hydrogen bonded to the 18-crown-6.

引用

页码：153 / 158

页数：6

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