We have synthesized new cyano-bridged hetero-metallic polymeric complexes [M(NH3)(2mpz)Ni(CN)4]·nH2O in the powder form for the fi rst time. Their structures were determined by elemental and spectral (infrared and Raman) analyses. In the complexes, the center of the nickel atom binds with four cyano ligands and shows a square planar geometry. In addition, the metal atoms (Cu(II) or Zn(II)) are linked to the ring nitrogen atom of one 2mpz ligand, one ammonia ligand, and four bridging cyano groups and show a distorted octahedral geometry. The spectral features suggest that these complexes are similar to each other and their structures consist of |M – Ni(CN)4|∞ type polymeric layers with the ligands (2mpz and ammonia) bound to the metal atom (M).
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Published in Zhurnal Prikladnoi Spektroskopii, Vol. 88, No. 2, pp. 187–193, March–April, 2021.
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Karaağaç, D. Spectroscopic Study of Cyano-Bridged Hetero-Metallic Polymeric Complexes with 2-Methylpyrazine: [M(NH3)(2mpz)Ni(CN)4]·nH2O (M(II) = Cu or Zn). J Appl Spectrosc 88, 250–256 (2021). https://doi.org/10.1007/s10812-021-01165-9
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DOI: https://doi.org/10.1007/s10812-021-01165-9