STRUCTURE OF ETHYL 2-(3-METHYL-1,2,4-OXADIAZOL-5-YL)-2-PHENYLHYDRAZONETHANOATE

被引：0

作者：

BARDI, R ^{[1
]}

PIAZZESI, AM ^{[1
]}

DELPRA, A ^{[1
]}

机构：

[1] UNIV MILAN,IST CHIM FARMACEUT & TOSSICOL,I-20131 MILAN,ITALY

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1993年 / 49卷

关键词：

D O I：

10.1107/S0108270192009806

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

C13H14N4O3, M(r) = 274.3, orthorhombic, Pna2(1), a = 19.048 (6), b = 10.507 (4), c = 6.691 (4) angstrom, V = 1339.1 angstrom3, Z = 4, D(m) = 1.36 (flotation), D(x) = 1.360 Mg m-3, lambda(Mo Kalpha) = 0.7107 angstrom, mu = 0.933 cm-1, F(000) = 576, T = 298K, R = 0.0839, wR = 0.0643 for 773 observed reflections. The whole molecule is approximately planar, which can be seen from the values of the torsion angles about the non-rigid bonds; the molecular dimensions are in agreement with those found in analogous compounds. An important feature of the molecule is an intramolecular N-H...N hydrogen bond, which is characterized by an N...N distance of 2.66 (1) angstrom.

引用

页码：768 / 770

页数：3

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