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In the title di-spiro compound, C 32 H 26 ClN 3 O 2 , the cyclo-hexa-none ring of the iso-quinoline unit has a distorted envelope conformation, with the methyl-ene C atom adjacent to the spiro C atom as the flap. The central 1-methyl-pyrrolidine ring has an envelope conformation with the N atom as the flap. The mean planes of the indolin-2-one ring system, the chloro-benzene ring and the iso-quinoline ring system are inclined to the mean plane of the central 1-methyl-pyrrolidine ring by 87.95 (11), 71.01 (12) and 88.81 (10)°, respectively. There are two short C-H⋯O intra-molecular contacts present. In the crystal, mol-ecules are linked via C-H⋯ O hydrogen bonds, forming chains along the a -axis direction. The NH H atom is involved in a weak N-H⋯O hydrogen bond with the same carbonyl O atom. There are no further significant inter-molecular contacts present. The largest contribution to the overall Hirshfeld surface of 52.3% is due to H-H contacts.

acta crystallographica. section e, crystallographic communications

Crystal structure and Hirshfeld surface analysis of 4′-(2-chlorophenyl)-1′-methyl-3′′-phenyl-7′′,8′′-dihydro-5′′<i>H</i>-dispiro[indoline-3,2′-pyrrolidine-3′,6′′-isoquinoline]-2,5′′-dione

Crystal structure and Hirshfeld surface analysis of 4′-(2-chlorophenyl)-1′-methyl-3′′-phenyl-7′′,8′′-dihydro-5′′H-dispiro[indoline-3,2′-pyrrolidine-3′,6′′-isoquinoline]-2,5′′-dione