Ab-initio X-ray powder diffraction structural characterization of co-ordination compounds: polymeric [{MX2(bipy)}n] complexes (M = Ni or Cu; X = Cl or Br; bipy = 4,4′-bipyridyl)
- 1 January 1996
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 13,p. 2739-2746
- https://doi.org/10.1039/dt9960002739
Abstract
In the absence of crystals of suitable quality, the crystal structures of five [MX2(bipy)](M = Ni or Cu; X = Cl or Br; bipy = 4,4′-bipyridyl) phases were determined, ab initio, from powder diffraction data. The nickel compounds contain symmetrically bridging halides and trans-D4h octahedrally co-ordinated metal atoms; on the contrary, the co-ordination about the copper atoms in [CuBr2(bipy)] is square planar, with long Cu ⋯ Br contacts in the axial direction, due to Jahn–Teller distortion. Interestingly, [CuCl2(bipy)] is dimorphic; both in the orthorhombic and in the monoclinic phases, the copper co-ordination is substantially square planar as in the bromide analogue, but none of the two phases is isomorphous to it.Keywords
This publication has 32 references indexed in Scilit:
- Powder route to crystal structures: X-ray powder diffraction determination of polymeric silver imidazolateJ. Chem. Soc., Dalton Trans., 1995
- Triple interpenetration in [Ag(4,4′-bipyridine)][NO3], a cationic polymer with a three-dimensional motif generated by self-assembly of ‘T-shaped’ building blocksJournal of the Chemical Society, Chemical Communications, 1995
- Solving simple organometallic structures solely from X-ray powder diffraction data: the case of polymeric [{Ru(CO)4} n ]J. Chem. Soc., Dalton Trans., 1993
- Structure of catena-poly[{(2,2'-bipyridyl)(diperchlorato)copper(II)}-μ-4,4'-bipyridyl]Acta Crystallographica Section C Crystal Structure Communications, 1992
- LSI- a computer program for simultaneous refinement of material structure and microstructureJournal of Applied Crystallography, 1992
- Structure of a new type of copper carboxylate complex: [Cu(C14H8O3)(C10H8N2)]2.C3H7N.H2OActa Crystallographica Section C Crystal Structure Communications, 1992
- Crystal structure and magnetic properties of bis(isothiocyanato)bis(pyrazine)iron polymer, a 2D sheetlike polymerInorganic Chemistry, 1991
- The Structure of Cadmium Bis(isopropylxanthate)-4,4'-BipyridineAustralian Journal of Chemistry, 1990
- A new type of interpenetration involving enmeshed independent square grid sheets. The structure of diaquabis-(4,4′-bipyridine)zinc hexafluorosilicateJournal of the Chemical Society, Chemical Communications, 1990
- Superexchange in linear-chain 2,5-dimethylpyrazinebis(pentane-2,4-dionato)-cobalt(II) and -nickel(II) complexesJ. Chem. Soc., Dalton Trans., 1978