title: Tetra-kis[3-(2-pyridylamino)pyridine-κN]nickel(II) diperchlorate ethanol disolvate.
abstract: In the title compound, [Ni(C(10)H(9)N(3))(4)](ClO(4))(2)·2C(2)H(5)OH, the metal centre exhibits a four-coordinated environment with four pyridine N atoms of the four different dipyridylamine ligands. A twofold rotation axis passes through the Ni atom. N-H⋯O and N-H⋯N hydrogen bonds are present in the crystal structure.
authors.affiliation: College of Biology and Environment Engineering, Zhejiang Shuren University, Hangzhou 310015, People's Republic of China.
authors.forename: Zhi-Min
authors.initials: ZM
authors.lastname: Wang