Issue 16, 2023

Hg3O2(NO3)F: a mercury nitrate oxyfluoride with an unprecedented [(Hg3O2F)+] cationic framework and excellent optical anisotropy

Abstract

Combining multiple anions to design compounds with novel structures and excellent optical properties has become a hot research field. In this paper, a novel nitrate oxyfluoride, Hg3O2(NO3)F, has been obtained. Hg3O2(NO3)F features an unprecedented [(Hg3O2F)+] cationic framework constructed by V-shaped HgO2 units and original HgO2F2 tetrahedra and with isolated NO3 anions balancing the charge. Hg3O2(NO3)F is the first nitrate oxyfluoride containing a d10 metal. Importantly, Hg3O2(NO3)F exhibits superior optical anisotropy with the calculated birefringence of Δn = 0.23 at 1064 nm. Based on the theoretical calculation analyses, the good optical anisotropy is mainly derived from the well-arranged V-shaped HgO2 units. This work proves that the strategy of introducing heteranions is effective for exploring high-performance optical materials.

Graphical abstract: Hg3O2(NO3)F: a mercury nitrate oxyfluoride with an unprecedented [(Hg3O2F)+]∞ cationic framework and excellent optical anisotropy

Supplementary files

Article information

Article type
Research Article
Submitted
19 Jun 2023
Accepted
10 Jul 2023
First published
12 Jul 2023

Inorg. Chem. Front., 2023,10, 4845-4853

Hg3O2(NO3)F: a mercury nitrate oxyfluoride with an unprecedented [(Hg3O2F)+] cationic framework and excellent optical anisotropy

Y. Lv, L. Huai, Y. Wei, L. Ma, Y. Wei, W. Liu and R. Tang, Inorg. Chem. Front., 2023, 10, 4845 DOI: 10.1039/D3QI01146A

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