%0 Journal Article %1 Krysiak2014 %A Krysiak, Yasar %A Fink, Lothar %A Bernert, Thomas %A Glinnemann, Jürgen %A Kapuscinski, Martin %A Zhao, Haishuang %A Alig, Edith %A Schmidt, Martin U. %D 2014 %J Zeitschrift für anorganische und allgemeine Chemie %K atomic-pair-distribution-function coordination-polymers crystal-structure pdf polymorphism powder-diffraction thermal-decomposition xrpd %N 15 %P 3190--3196 %R 10.1002/zaac.201400505 %T Crystal Structures and Polymorphism of Nickel and Copper Coordination Polymers with Pyridine Ligands %U http://dx.doi.org/10.1002/zaac.201400505 %V 640 %X The crystal structures of a series of pyridine coordination polymers MIICl2(C5H5N)xn (M = Ni, Cu), prepared via thermal decomposition are reported. NiCl2(C5H5N)4 (1) decomposes stepwise via NiCl2(C5H5N)2n (2), NiCl2(C5H5N)n (3), and NiCl2(C5H5N)2/3n (4), to NiCl2 with increasing temperature. The thermal decomposition of CuCl2(C5H5N)2n (5), progresses via two polymorphs of CuCl2(C5H5N)n (6a and 6b), and CuCl2(C5H5N)2/3n (7), to CuCl2. The compounds 3, 4, and 7 were prepared as pure phases. All crystal structures were determined by X-ray powder diffraction. Notably, the crystal structures of the polymorphs 6a and 6b were determined from powder diffraction data of a mixture of both phases. Crystal structures of MIICl2(C5H5N)xn with the same x, but different metal atoms (Ni, Cu) are homeotypic, compounds 4 and 7 are isotypic. Compounds with x = 1 (3, 6a, 6b) are composed of polymeric octahedra double chains 1/inf. MCl3/3Cl2/2(C5H5N) and in case of x = 2/3 (4, 7) of triple chains. The Jahn-Teller distortion in the copper compounds was observable with the pair distribution function (PDF) analysis.

@article{Krysiak2014, abstract = {{The crystal structures of a series of pyridine coordination polymers [MIICl2(C5H5N)x]n (M = Ni, Cu), prepared via thermal decomposition are reported. [NiCl2(C5H5N)4] (1) decomposes stepwise via [NiCl2(C5H5N)2]n (2), NiCl2(C5H5N)]n (3), and [NiCl2(C5H5N)2/3]n (4), to NiCl2 with increasing temperature. The thermal decomposition of CuCl2(C5H5N)2]n (5), progresses via two polymorphs of [CuCl2(C5H5N)]n (6a and 6b), and [CuCl2(C5H5N)2/3]n (7), to CuCl2. The compounds 3, 4, and 7 were prepared as pure phases. All crystal structures were determined by X-ray powder diffraction. Notably, the crystal structures of the polymorphs 6a and 6b were determined from powder diffraction data of a mixture of both phases. Crystal structures of [MIICl2(C5H5N)x]n with the same x, but different metal atoms (Ni, Cu) are homeotypic, compounds 4 and 7 are isotypic. Compounds with x = 1 (3, 6a, 6b) are composed of polymeric octahedra double chains 1/inf. [MCl3/3Cl2/2(C5H5N)] and in case of x = 2/3 (4, 7) of triple chains. The Jahn-Teller distortion in the copper compounds was observable with the pair distribution function (PDF) analysis.}}, added-at = {2019-03-11T21:00:05.000+0100}, author = {Krysiak, Ya\c{s}ar and Fink, Lothar and Bernert, Thomas and Glinnemann, J\"{u}rgen and Kapuscinski, Martin and Zhao, Haishuang and Alig, Edith and Schmidt, Martin U.}, biburl = {https://www.bibsonomy.org/bibtex/2af170fad0e1cf872ac6382c23ed07ebb/fairybasslet}, citeulike-article-id = {14563051}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/zaac.201400505}, doi = {10.1002/zaac.201400505}, interhash = {44a44ffb9a4475a1b21df7c611c87ede}, intrahash = {af170fad0e1cf872ac6382c23ed07ebb}, issn = {00442313}, journal = {Zeitschrift f\"{u}r anorganische und allgemeine Chemie}, keywords = {atomic-pair-distribution-function coordination-polymers crystal-structure pdf polymorphism powder-diffraction thermal-decomposition xrpd}, month = dec, number = 15, pages = {3190--3196}, posted-at = {2018-04-07 13:04:54}, priority = {2}, timestamp = {2019-03-11T21:06:37.000+0100}, title = {{Crystal Structures and Polymorphism of Nickel and Copper Coordination Polymers with Pyridine Ligands}}, url = {http://dx.doi.org/10.1002/zaac.201400505}, volume = 640, year = 2014 }