Non-merohedrally Twinned Catena-[Dibromido-μ-4,4’-Dithiodipyridine-κ2 
N:N’-Zinc(II)]

Seidel, Rüdiger W.; Dietz, Christina; Goddard, Richard; Oppel, Iris M.

doi:10.1007/s10870-013-0409-y

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Non-merohedrally Twinned Catena-[Dibromido-μ-4,4’-Dithiodipyridine-κ² N:N’-Zinc(II)]

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Goddard, Richard
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Seidel, R. W., Dietz, C., Goddard, R., & Oppel, I. M. (2013). Non-merohedrally Twinned Catena-[Dibromido-μ-4,4’-Dithiodipyridine-κ² N:N’-Zinc(II)]. Journal of Chemical Crystallography, 43(5), 229-234. doi:10.1007/s10870-013-0409-y.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-C9FF-1

Abstract

The crystal structure of [ZnBr₂(μ-dtdp)]_n (1) (dtdp = 4,4’-dithiodipyridine) is described. Compound 1 is a one-dimensional coordination polymer of the arched chain type, composed of ZnBr₂ units as tetrahedral metal nodes joined by the bent bridging ligand dtdp. 1 was found to crystallise in the monoclinic space group C2/c with the lattice parameters a = 12.713(4) Å, b = 10.108(4) Å, c = 10.835(5) Å, β = 91.21(3)°, V = 1392.0(9) Å³. In the crystal, the coordination polymer strands run parallel to the c axis direction with the ZnBr₂ units and disulfide bridges containing crystallographic twofold rotation axes. The structure of 1 belongs to an isomorphous series of [ZnX ₂(μ-dtdp)]_n (X = Cl−, SCN−, CH₃COO−) coordination polymers, which can be found in the literature. The crystal of 1 studied was found to be a two component non-merohedral twin with the twin operation representing a twofold rotation about the c axis, as for the isostructural chlorido derivative [Seidel RW, Dietz C, Oppel IM (2012) Z Kristallogr NCS 227:305].