Morpholinium 2-chloro-4-nitrobenzoate, 2-chloro-5-nitrobenzoate and 4-chloro-3-nitrobenzoate

被引：20

作者：

Ishida, H ^{[1
]}

Rahman, B ^{[1
]}

Kashino, S ^{[1
]}

机构：

[1] Okayama Univ, Fac Sci, Dept Chem, Okayama 7008530, Japan

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2001年 / 57卷 / 12期

关键词：

D O I：

10.1107/S0108270101016389

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Morpholinium 2-chloro-4-nitrobenzoate, C4H10NO+.C7H3Cl-NO4-, (I), crystallizes in a non-centrosymmetric space group. The cations and anions are connected by N-H . . .O hydrogen bonds to afford a 2(1) helical chain. Morpholinium 2-chloro-5-nitrobenzoate, C4H10NO+.C7H3ClNO4-, (II), and morpholinium 4-chloro-3-nitrobenzoate, C4H10NO+.C7H3ClNO4-, (III), both crystallize in a centrosymmetric space group. In (II) and (III), two cations and two anions are held together by N-H . . .O hydrogen bonds to form a centrosymmetric ring with graph-set descriptor R-4(4) (12).

引用

页码：1450 / 1453

页数：4

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