In the title compound, C(21)H(15)FOS, the 4-fluoro-phenyl ring is rotated out of the benzofuran plane, making a dihedral angle of 24.3 (1)°. The dihedral angle between the phenyl ring and the benzofuran plane is 28.3 (1)°. The crystal structure may be stabilized by two very weak aromatic π-π inter-actions between the furan and the benzene rings of neighbouring benzofuran systems; the centroid-c...

The mol-ecule of the title compound, C(26)H(28)O(5), is chiral with five stereogenic centres; however, the centrosymmetric triclinic group gives a racemic crystal. The fused ring system adopta boat conformation in which the cyclo-propane ring plane is roughly perpendicular to the styryl group plane, forming a dihedral angle of 74.78 (19)°. The dihedral angle between the two benzene rings is 77....

In the title compound, C(26)H(21)F(6)NO(5), the dihedral angle between the cyclo-propane ring plane and the vinyl group plane is 79.3 (3)°. The dihedral angle between the benzene and phenyl ring planes in the phen-oxy-benzyl group is 82.7 (1)°. In the crystal structure, weak inter-molecular C-H⋯π inter-actions and C-H⋯F hydrogen bonds contribute to the stabilization of the packing.

The title compound, C(4)H(3)BrO(4), was obtained from a solution of meso-2,3-dibromo-succinic acid and vanadium(IV) oxide. The crystals are isostructural with chloro-maleic acid and the mol-ecule has two geometrically different carboxyl groups, one of which has delocalized C-O bonds and is essentially coplanar with the olefinic bond plane [give dihedral angle 15.08 (16)°], whereas the other has...

In the crystal, the mol-ecules of the title compound, C(15)H(10)BrNO, are connected into centrosymmetric dimers by pairs of N-H⋯O hydrogen bonds. The dihedral angle between the planes of indole ring system and benzene ring is 50.13 (5)°. The indole plane is significantly less twisted from the plane of the central C-C(=O)-C bridge than the benzene plane [dihedral angles = 15.51 (3) and 40.13 (7)...

In the title compound, C(21)H(18)O(5), the dihedral angle between the naphthalene ring system and the benzene ring is 86.65 (6)°. The bridging carbonyl C-C(=O)-C plane makes dihedral angles of 83.57 (7) and 20.21 (8)°, respectively, with the naphthalene ring system and the benzene ring. The ester O-C=O plane and the benzene ring are almost coplanar, making a dihedral angle of 3.81 (18)°. The tw...

In the title compound, C(18)H(21)NO(4), the hydrogenated six-membered ring of the carbazole unit adopts a half-chair conformation. The dioxolane ring and ethyl-acetate substituent point to opposite sides of the carbazole plane. The ethyl-acetate substituent adopts an essentially fully extended conformation, and its mean plane forms a dihedral angle of 83.8 (1)° with respect to the carbazole mea...

The seven-membered ring in the title compound, C(19)H(18)N(2)O(3), adopts a boat conformation with the two phenyl-ene C atoms representing the stern and the methyl-ene C atom the prow. The dihedral angle between the best plane through the seven-membered ring (r.m.s deviation = 0.343 Å) and the phenyl substituent is 31.9 (1)°. The dihedral angle between this best plane and the best plane through...

In the title compound, [Fe(C(5)H(5))(C(17)H(16)NO(4))], the O=C-C=C-N mean plane is twisted with respect to the mean planes of the benzene and substituted cyclo-penta-dienyl rings by 44.2 (2) and 13.8 (3)°, respectively. Furthermore, the O=C-C=C-N mean plane and the O=C-O(ester) plane make a dihedral angle of 55.5 (6)°. Consistent with this large dihedral angle, the linking C-C bond [1.507 (6) ...

In the title indole derivative, C22H21NO4, the dihedral angle between the benzene and pyrrole rings of indole moiety is 1.8 (1)°. The plane of the 4-meth-oxy-phenyl ring is oriented with a dihedral angle of 60.7 (1)° with respect to the plane of the indole moiety. The mol-ecular packing is stabilized by C-H⋯O hydrogen bonds which form a V-shaped chain arrangement along the bc plane of the unit ...