Structures and Nonlinear Optical Properties of Two Acentric Borates with Cubic Cage-like Frameworks.

Authors

Jin-Ni Zhao, Xiao-Shuang Sun, Juan Chen, Chong-An Chen, Guo-Yu Yang

Published in

Inorganic chemistry. Jun 27, 2025. Epub Jun 27, 2025.

Abstract

Two new acentric borates, Li₂Sr_0.5[B₃(BO₃)₄] (1) and Na₄[Al₃(BO₃)₄]·Cl (2), with cage-like frameworks constructed by BO₃ and TO₄ (T = B (1), Al (2)) units, were hydrothermally synthesized. The 3D anionic frameworks of 1 and 2 are built by two types of isostructural B-O and Al-B-O cages, respectively, and are further interpenetrated by polyhedral cubic unit (pcu) cationic frameworks. Both compounds not only feature novel interpenetrating pcu anionic and cationic frameworks, which are rarely observed in borate structural chemistry, but also exhibit moderate second harmonic generation (SHG) responses and a short cutoff edge, indicating their potential as deep ultraviolet nonlinear optical (NLO) crystals.

PMID:
40575835
Bibliographic data and abstract were imported from PubMed on 27 Jun 2025.

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