Abstract
The X-ray in-situ study of [Cu(NH3)4](ReO4)2 complex salt is carried out on heating up to 500 K. The product obtained at this temperature is a new crystalline phase [Cu(NH3)2(μ-ReO4)2] n with the following unit cell parameters: a = 14.7523(3) Å, b = 5.8559(1) Å, c = 5.6290(1) Å, β = 111.387(1)°, V = = 452.799(2) Å3, space group C2/m, Z = 2, d x = 4.386 g/cm3. The coordination polyhedron of the Cu atom is a distorted octahedron formed by two nitrogen atoms (Cu–N 2.195 Å), and four oxygen atoms (Cu–О 2.306 Å). The structure consists of infinite [Cu(NH3)2(μ-ReO4)2] n chains, the shortest N(H)…O distances between the chains being 2.82 Å.
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Original Russian Text © 2016 S. A. Gromilov, A. P. Tyutyunnik, D. A. Piryazev, P. E. Plyusnin, S. V. Korenev.
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Gromilov, S.A., Tyutyunnik, A.P., Piryazev, D.A. et al. X-ray study of [Cu(NH3)4](ReO4)2-[Cu(NH3)2(μ-ReO4)2] n transformation. J Struct Chem 57, 140–145 (2016). https://doi.org/10.1134/S0022476616010170
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DOI: https://doi.org/10.1134/S0022476616010170