2,7-Dimethoxy-1-(4-nitrobenzoyl)-naphthalene

被引：7

作者：

Watanabe, Shoji ^{[1
]}

Nakaema, Kosuke ^{[1
]}

Nishijima, Takahiro ^{[1
]}

Okamoto, Akiko ^{[1
]}

Yonezawa, Noriyuki ^{[1
]}

机构：

[1] Tokyo Univ Agr & Technol, Dept Organ & Polymer Mat Chem, Koganei, Tokyo 1848588, Japan

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2010年 / 66卷

关键词：

Data-to-parameter ratio = 12.9; Mean σ(C-C) = 0.002 Å; R factor = 0.036; Single-crystal X-ray study; T = 296 K; WR factor = 0.102;

D O I：

10.1107/S1600536810005398

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In the title compound, C19H15NO5, the dihedral angle between the naphthalene ring system and the benzene ring is 61.97 (5)degrees. The dihedral between the naphthalene ring system and the bridging carbonyl C-C(=O)-C plane is 54.68 (6)degrees, far larger than that [12.54 (7)degrees] between the phenyl group and the bridging carbonyl group. The nitro group and the phenyl ring are almost coplanar [O-N-C-C torsion angle = 2.94 (19)degrees]. In the crystal, molecules are linked by C-H center dot center dot center dot pi interactions and the phenyl rings are involved in a centrosymmetric pi-pi interaction with a perpendicular distance of 3.523 angstrom and a lateral offset of 1.497 angstrom. In addition, weak intermolecular C-H center dot center dot center dot O hydrogen bonds are formed between an H atom of one methoxy group and a nearby carbonyl O atom.

引用

页码：O615 / U5002

页数：13

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