Crystal structure of catena -poly[bis-(tetra-ethyl-ammonium) [tetra-aqua-tris(μ-dicyanamido-κ 2 N 1 : N 5 )bis(dicyanamido-κ N 1 )di-cobaltate(II)] dicyanamide]

The structure of the title compound, [N(C H ) ] [Co (C N ) (H O) ](C N ), is a new example of a metal-dicyanamide coordination polymer which exhibits a unique three-dimensional framework of covalently linked Co chains. All bridging dicyanamide ligands in the title structure are in the -bridging mode...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Crystallographic communications Crystallographic communications, 2016-11, Vol.72 (Pt 11), p.1603-1606
Main Authors: Liu, Chen, Thuijs, Annaliese E, Abboud, Khalil A
Format: Article
Language:English
Subjects:
cation template
crystal structure
metal dicyanamide coordination polymer
O—H...N hydrogen bonding
Research Communications
tetraethylammonium
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Summary:The structure of the title compound, [N(C H ) ] [Co (C N ) (H O) ](C N ), is a new example of a metal-dicyanamide coordination polymer which exhibits a unique three-dimensional framework of covalently linked Co chains. All bridging dicyanamide ligands in the title structure are in the -bridging mode. The anionic Co -dicyanamide network is templated by tetra-ethyl-ammonium cations residing in a series of channels extending along the axis where additional non-coordinating dicyanamidate anions are also located. The framework structure is further stabilized by O-H⋯N hydrogen bonding between aqua ligands and dicyanamido ligands or the dicyanamide anion. In addition, C-H⋯N inter-actions are present between the tetra-ethyl-ammonium cations and dicyanamide amide nitro-gen atoms.
ISSN:2056-9890
2056-9890
DOI:10.1107/S2056989016016637