[NiEn3]WO4. Crystal Structural Features Of The Phase Transition At 269 K


Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription Access

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

Supplementary Files
Action
1. JATS XML

Copyright (c) 2018 Journal of Structural Chemistry