Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 3 (March 2003)

Acta Cryst. (2003). C59, o141-o143 [doi:10.1107/S0108270103002312]

Two 2,2-dihalo-N-(1-phenylethyl)cyclopropane-1-carboxamides

D. S. Yufit and J. A. K. Howard

Abstract: The crystal structures of (1R,1'S)-2',2'-dichloro-N-(1-phenylethyl)cyclopropane-1'-carboxamide, C₁₂H₁₃Cl₂NO, (I), and (1R,1'R)-2',2'-difluoro-N-(1-phenylethyl)cyclopropane-1'-carboxamide, C₁₂H₁₃F₂NO, (II), have been determined. Both crystals contain two independent molecules with different conformations of the phenylethyl groups. In the crystals of both compounds, the molecules are linked together by N-HO hydrogen bonds, thus forming chains in the a direction.

Formula: C₁₂H₁₃Cl₂NO and C₁₂H₁₃F₂NO

Online 18 February 2003


	Structure factor file (CIF format) (302.3 kbytes) Contains datablock I

	Structure factor file (CIF format) (276.4 kbytes) Contains datablock II

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