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- Title
A new two-dimensional anionic cadmium(II) polymer constructed through thiocyanate coordination bridges.
- Authors
Wang, Hui-Ting; Wang, Xiao-Li
- Abstract
A new cadmium-thiocyanate complex, poly[4-(dimethylamino)pyridin-1-ium [di-μ-thiocyanato-κ2 N: S;κ2 S: N-thiocyanato-κ N-cadmium(II)]], {(C7H11N2)[Cd(NCS)3]} n, was synthesized by the reaction of cadmium thiocyanate and 4-(dimethylamino)pyridine hydrochloride in aqueous solution. In the crystal structure, each CdII ion is square-pyramidally coordinated by three N and two S atoms from five different thiocyanate ligands, four of which are bridging. The thiocyanate ligands play different roles in the build up of the structure; one role results in the formation of [Cd2(NCS)2] building blocks, while the other links the building blocks and cations via N-H...S hydrogen bonds. The N-H...S hydrogen bonds and weak π-π stacking interactions are involved in the formation of both a two-dimensional network structure and the supramolecular network.
- Subjects
COORDINATION polymers; CADMIUM; CRYSTAL structure; HYDROGEN bonding; AQUEOUS solutions; STACKING interactions
- Publication
Acta Crystallographica Section C: Structural Chemistry, 2015, Vol 71, Issue 4, p318
- ISSN
2053-2296
- Publication type
Article
- DOI
10.1107/S2053229615005239