Crystal structure and Hirshfeld surface analysis of 2-(4-nitro-phen-yl)-2-oxoethyl 2-chloro-benzoate.

The title compound, CHClNO, is relatively planar with the two aromatic rings being inclined to each other by 3.56 (11)°. The central -C(=O)-C-O-C(=O)- bridge is slightly twisted, with a C-C-O-C torsion angle of 164.

Crystal structure and Hirshfeld surface analysis of 2-(4-nitro-phen-yl)-2-oxoethyl picolinate.

2-(4-Nitro-phen-yl)-2-oxoethyl picolinate, CHNO, was synthesized under mild conditions. The chemical and mol-ecular structures were confirmed by single-crystal X-ray diffraction analysis. The mol-ecules are linked by inversion into centrosymmetric dimers weak inter-molecular C-H⋯O inter-actions, forming (10) ring motifs, and further strengthened by weak π-π inter-actions.

Crystal structure and Hirshfeld surface analysis of 2-(4-nitro-phen-yl)-2-oxoethyl benzoate.

The title com-pound, CHNO, is relatively planar, with the planes of the two aromatic rings being inclined to each other by 3.09 (5)°. In the crystal, mol-ecules are linked by a pair of C-H⋯O hydrogen bonds, forming inversion dimers, which enclose an (16) ring motif.

Crystal structure and Hirshfeld surface analysis of (2)-3-(4-chloro-3-fluoro-phen-yl)-1-(3,4-di-meth-oxy-phen-yl)prop-2-en-1-one.

The mol-ecular structure of the title compound, CHClFO, consists of a 4-chloro-3-fluoro-phenyl ring and a 3,4-di-meth-oxy-phenyl ring linked a prop-2-en-1-one spacer. The mol-ecule has an configuration about the C=C bond and the carbonyl group is with respect to the C=C bond. The F and H atoms at the positions of the 4-chloro-3-fluoro-phenyl ring are disordered over two orientations, with an occupancy ratio of 0.

Crystal structure and Hirshfeld surface analysis of ()-3-(2-chloro-phen-yl)-1-(2,5-di-chloro-thio-phen-3-yl)prop-2-en-1-one.

The mol-ecular structure of the title compound, CHClOS, consists of a 2,5- di-chloro-thio-phene ring and a 2-chloro-phenyl ring linked a prop-2-en-1-one spacer. The dihedral angle between the 2,5-di-chloro-thio-phene and 2-chloro-phenyl rings is 9.69 (12)°.