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A New Three-Dimensional Anionic cadmium(II) Dicyanamide Network

A New Three-Dimensional Anionic cadmium(II) Dicyanamide Network

Qiang Li, Hui-Ting Wang

Acta Crystallogr C Struct Chem. 2014 Nov;70(Pt 11):1054-6.

PMID: 25370106

Abstract:

A new cadmium dicyanamide complex, poly[tetramethylphosphonium [μ-chlorido-di-μ-dicyanamido-κ(4)N(1):N(5)-cadmium(II)]], [(CH3)4P][Cd(NCNCN)2Cl], was synthesized by the reaction of tetramethylphosphonium chloride, cadmium nitrate tetrahydrate and sodium dicyanamide in aqueous solution. In the crystal structure, each Cd(II) atom is octahedrally coordinated by four terminal N atoms from four anionic dicyanamide (dca) ligands and by two chloride ligands. The dicyanamide ligands play two different roles in the building up of the structure; one role results in the formation of [Cd(dca)Cl]2 building blocks, while the other links the building blocks into a three-dimensional structure. The anionic framework exhibits a solvent-accessible void of 673.8 Å(3), amounting to 47.44% of the total unit-cell volume. The cavities in the network are occupied by pairs of tetramethylphosphonium cations.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP10022681	Cadmium nitrate tetrahydrate		10022-68-1	Price

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