title: A new two-dimensional cadmium metal-organic framework: poly[bis(4,7-diphenyl-1,10-phenanthroline)(μ3-5-nitroisophthalato)cadmium(II)].
abstract: In the title cadmium metal-organic framework complex, [Cd(C(8)H(3)NO(6))(C(24)H(16)N(2))](n) or [Cd(NIPH)(dpphen)] (NIPH is nitroisophthalate and dpphen is 4,7-diphenyl-1,10-phenanthroline), the unique Cd(II) cation in a general position is coordinated by four carboxy O atoms from three symmetry-related NIPH anions and two N atoms from a dpphen ligand. The Cd(II) cations are bridged by pairs of NIPH anions to generate a dinuclear molecular building block, [Cd(2)N(4)(CO(2)R)(4)], with a Cd···Cd separation of 4.0936 (10) Å. Each such building block is connected to four adjacent dinuclear building blocks by NIPH anions, resulting in a two-dimensional layer framework in the bc plane. The dpphen ligands occupy the space between these layers and are linked by π-π interactions, with a separation of 3.4541 (6) Å between the central aromatic rings of inversion-related dpphen ligands. The thermogravimetric and photoluminescent properties of the complex have also been investigated.
authors.affiliation: State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, Dalian 116012, People's Republic of China. junweiye@dlut.edu.cn
authors.forename: Jun-Wei
authors.initials: JW
authors.lastname: Ye
authors.forename: Li-Mei
authors.initials: LM
authors.lastname: Zhao
authors.forename: Wei
authors.initials: W
authors.lastname: Li
authors.forename: Gui-Ling
authors.initials: GL
authors.lastname: Ning