CRYSTALLINE COMPLEXES OF 18-CROWN-6 WITH METHYL SULFONATES

被引：6

作者：

CHENEVERT, R ^{[1
]}

GAGNON, R ^{[1
]}

CHAMBERLAND, D ^{[1
]}

SIMARD, M ^{[1
]}

机构：

[1] UNIV MONTREAL,DEPT CHIM,MONTREAL H3C 3J7,QUEBEC,CANADA

来源：

CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE | 1993年 / 71卷 / 08期

关键词：

D O I：

10.1139/v93-158

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The macrocyclic polyether 18-crown-6 forms crystalline complexes with methyl sulfonates. Most complexes have a 2: 1 (sulfonate:crown) stoichiometry whereas small aliphatic sulfonates give a 1 : 1 ratio. In the 2: 1 ratio complexes, the guest molecules are coordinated above and below the crown in such a way that the dipoles are compensated. In the 1 : 1 ratio complexes, there is a polymeric type association with the two ends of the sulfonate interacting with different crown molecules. A crystal structure is reported for each type of complex. The complex 18-crown-6 . CH3SO3CH3 (7) crystallizes in the monoclinic system, space group P2(1)/c with Z = 4. The unit cell dimensions are as follows: a = 8.525(4), b = 16.401(7), c = 15.071(6)space, beta = 113.92(3)-degrees. Final R(w) = 0.064 for 3650 reflections. The complex 18-crown 6 . (C6H5SO3Me)2 (1) CryStallizes in the monoclinic system, space group P2(1)/c with Z = 2. The unit cell dimensions are as follows: a = 8.101(3), b = 17.136(5), c = 12.990(5) angstrom, beta = 121.30(3)-degrees. Final R(w) = 0.048 for 2913 reflections.

引用

页码：1225 / 1235

页数：11

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