title: 2-[1-(1-Phenyl-eth-yl)imidazolidin-2-yl-idene]malononitrile.
abstract: In the title compound, C(14)H(14)N(4), the imidazolidine moiety is nearly planar, having an N-C-N-C torsion angle of 4.43 (3)°. The crystal structure is characterized by classical N-H⋯N hydrogen bonds, which form inversion dimers.
authors.affiliation: College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042,  People's Republic of China.
authors.forename: Xiao-Wei
authors.initials: XW
authors.lastname: Liu
authors.forename: Liang-Zhong
authors.initials: LZ
authors.lastname: Xu