[NiEn3]WO4. Crystal Structural Features Of The Phase Transition At 269 K
- Authors: Khranenko S.P.1, Sukhikh A.S.1,2, Pishchur D.P.1,2, Buneeva P.S.1,2, Komarov V.Y.1,2, Gromilov S.A.1,2
-
Affiliations:
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch
- Novosibirsk State University
- Issue: Vol 59, No 8 (2018)
- Pages: 1897-1902
- Section: Article
- URL: https://journals.rcsi.science/0022-4766/article/view/161808
- DOI: https://doi.org/10.1134/S0022476618080188
- ID: 161808
Cite item
Abstract
The synthesis method for [NiEn3]WO4 complex salt is described. Data of single crystal X-ray diffraction at 115 K are: space group \(p\bar 3\), a = 15.9633(5) Å, c = 9.9446(4) Å, V = 2194.6(1) Å3, Z = 6, dx = 2.210 g/cm3, Ni–N is 2.120(2)-2.149(2) Å, ∠N–Ni–N is 80.69(7)-82.28(7)°. From the differential scanning calorimetry data it is found that a phase transition occurs at 269 K. The crystal structural characteristics at 298 K are as follows: space group \(p\bar 31c\), a = 9.2641(3) Å, c = 9.9817(3) Å, V = 741.89(4) Å3, Z = 2, dx = 2.179 g/cm3, Ni–N is 2.128(2) Å, ∠N–Ni–N is 81.05(12)°. The phase transition is shown to correspond to the disordering of tungstate anions over three positions. The comparative analysis of N–H…O and C–H…O interionic contacts is performed.
About the authors
S. P. Khranenko
Nikolaev Institute of Inorganic Chemistry, Siberian Branch
Email: grom@niic.nsc.ru
Russian Federation, Novosibirsk
A. S. Sukhikh
Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University
Email: grom@niic.nsc.ru
Russian Federation, Novosibirsk; Novosibirsk
D. P. Pishchur
Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University
Email: grom@niic.nsc.ru
Russian Federation, Novosibirsk; Novosibirsk
P. S. Buneeva
Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University
Email: grom@niic.nsc.ru
Russian Federation, Novosibirsk; Novosibirsk
V. Yu. Komarov
Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University
Email: grom@niic.nsc.ru
Russian Federation, Novosibirsk; Novosibirsk
S. A. Gromilov
Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University
Author for correspondence.
Email: grom@niic.nsc.ru
Russian Federation, Novosibirsk; Novosibirsk
Supplementary files
