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N,N'-Bis(4-fluoro-phen-yl)urea.

ABSTRACT: The asymmetric unit of the title compound, C(13)H(10)F(2)N(2)O, contains one and a half N,N'-bis-(4-fluoro-phen-yl)urea mol-ecules. One of the mol-ecules has crystallographic twofold rotation symmetry. The benzene rings are twisted from each other by dihedral angles of 29.69?(6)° for the mol-ecule in a general position and 89.83?(6)° for the symmetry-generated mol-ecule. In the crystal structure, a pair of inter-molecular N-H?O hydrogen bonds link symmetry-related mol-ecules into chains along the b axis, forming R(2) (1)(6) ring motifs.

SUBMITTER: Loh WS 

PROVIDER: S-EPMC2979587 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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N,N'-Bis(4-fluoro-phen-yl)urea.

Loh Wan-Sin WS   Fun Hoong-Kun HK   Sarveswari S S   Vijayakumar V V   Ragavan R Venkat RV  

Acta crystallographica. Section E, Structure reports online 20100512 Pt 6

The asymmetric unit of the title compound, C(13)H(10)F(2)N(2)O, contains one and a half N,N'-bis-(4-fluoro-phen-yl)urea mol-ecules. One of the mol-ecules has crystallographic twofold rotation symmetry. The benzene rings are twisted from each other by dihedral angles of 29.69 (6)° for the mol-ecule in a general position and 89.83 (6)° for the symmetry-generated mol-ecule. In the crystal structure, a pair of inter-molecular N-H⋯O hydrogen bonds link symmetry-related mol-ecules into chains along th  ...[more]

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