Crystal structures of N-(4-methyl phenyl)-2,2,2-trichloroacetamide, N-(2,3-dimethyl phenyl)-2,2,2-trichloroacetamide and N-(2-nitro phenyl)-2,2,2-trichloroacetamide

被引：15

作者：

Dou, SQ

Fuess, H

Weiss, A

Gowda, BT

Krishnan, VG

机构：

[1] TH DARMSTADT,FACHBEREICH MAT WISSENSCH,D-64287 DARMSTADT,GERMANY

[2] MANGALORE UNIV,DEPT CHEM,MANGALAGANGOTHRI 574199,INDIA

[3] OSMANIA UNIV,DEPT PHYS,HYDERABAD 500007,ANDHRA PRADESH,INDIA

来源：

ZEITSCHRIFT FUR KRISTALLOGRAPHIE | 1997年 / 212卷 / 07期

关键词：

D O I：

10.1524/zkri.1997.212.7.532

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The crystal structures of N-(4-methyl phenyl)-2,2,2-trichloroacetamide, C9H8Cl3NO (1), N-(2,3-dimethyl phenyl)-2,2,2-trichloroacetamide, C10H10C13NO (2) and N-(2-nitro phenyl)-2,2,2-trichloroacetamide, C8H5Cl3N2O3 (3) have been determined at room temperature (1): P2(1)/c, a = 9.658(3) Angstrom, b = 20.243(5) Angstrom, c = 11.441(3) Angstrom, beta = Z = 8, (2): Pna2(1), a = 19.233(5) Angstrom, b = 5.970(2) Angstrom, c = 20.805(5) Angstrom, Z = 8, (3): P (1) over bar, a = 6.809(3) Angstrom, b = 12.717(6) Angstrom, c = 13.240(6) Angstrom, a = 98.67(2)degrees, beta = 96.14(2)degrees, gamma = 101.47(2)degrees. The phenyl rings as well as the acetamide group are planar. Their orientation suggests very little strain and hence little pi-bonding. For (1) substitution by a methyl group at C(4) position in the phenyl ring results in a marked deviation in the C(3)-C(4)-C(5) angle from 120 degrees.

引用

页码：532 / 537

页数：6

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