title: Bis{μ-2,5-bis-[4-(2-pyridylmethyl-amino)phen-yl]-1,3,4-oxadiazole}bis-[dichlorido-mercury(II)].
abstract: In the title centrosymmetric compound, [Hg(2)Cl(4)(C(26)H(22)N(6)O)(2)], each Hg(II) center adopts a distorted HgN(3)Cl(2) trigonal bipyramidal coordination geometry, formed by two pyridine N atoms, one imine N atom and two chloride anions. Within the organic ligand, the oxadiazole ring is nearly coplanar with the two benzene rings [dihedral angles = 5.9 (4) and 6.5 (4)°] and nearly perpendicular to the two pyridine rings with the same dihedral angle of 77.4 (4)°. The two organic ligands bridge two Hg(II) ions to form the macrocyclic complex. Inter-molecular N-H⋯Cl and N-H⋯N hydrogen bonding helps to stabilize the crystal structure.
authors.affiliation: College of Chemistry, Chemical, Engineering and Materials Science, Shandong Normal University, Jinan 250014, People's Republic of China.
authors.forename: Li-Li
authors.initials: LL
authors.lastname: Liu
authors.forename: Gui-Ge
authors.initials: GG
authors.lastname: Hou
authors.forename: Jian-Ping
authors.initials: JP
authors.lastname: Ma
authors.forename: Ru-Qi
authors.initials: RQ
authors.lastname: Huang
authors.forename: Yu-Bin
authors.initials: YB
authors.lastname: Dong