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Abstract
In the title compound, C27H20ClNO3, the two cyclopentane rings adopt envelope conformations. The pyrrolidine ring also adopts an envelope conformation (with the spiro C atom as the flap) and its least-squares plane (fitted to five atoms) makes dihedral angles of 66.50 (9), 77.36 (8) and 73.76 (8)° with the chlorobenzene ring and the two 2,3-dihydro-1H-indene ring systems, respectively. The molecular conformation is stabilized by an intramolecular C—H⋯O hydrogen bond, which generates an S(6) ring motif. In the crystal, molecules are linked by C—H⋯O hydrogen bonds into chains running parallel to the [001] direction.
Highlights
Crystal data40 -(4-Chlorophenyl)-10 -methyldispiro[indan-2,20 -pyrrolidine-30 ,20 0 -indan]1,3,10 0 -trione
In the title compound, C27H20ClNO3, the two cyclopentane rings adopt envelope conformations
The molecular conformation is stabilized by an intramolecular C—H O hydrogen bond, which generates an S(6) ring motif
Summary
40 -(4-Chlorophenyl)-10 -methyldispiro[indan-2,20 -pyrrolidine-30 ,20 0 -indan]1,3,10 0 -trione. USM, Penang, Malaysia, and bX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia. R factor = 0.050; wR factor = 0.113; data-to-parameter ratio = 22.3
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