title: 2-(7-Methyl-3-oxo-1-phenyl-perhydro-naphthalen-4a-yl)malononitrile.
abstract: In the title compound, C(20)H(22)N(2)O, both cyclo-hexane rings adopt chair conformations. Weak C-H⋯N and C-H⋯O hydrogen bonding is present in the crystal structure.
authors.affiliation: College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, People's Republic of China.
authors.forename: Tai-Ran
authors.initials: TR
authors.lastname: Kang
authors.forename: Lian-Mei
authors.initials: LM
authors.lastname: Chen