Layered(C5H6ON)2[Sb2O(C2O4)3]with a large birefringence derived from the uniform arrangement of π-conjugated units

Dong-Xue Jiao ¹Hui-Li Zhang ¹Chao He ²Si-Yu Chen ¹Ke Wang ¹Xiao-Han Zhang ¹Li Wei ¹Qi Wei¹

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作者信息

1. College of Chemistry and Chemical Engineering,Qingdao University,Shan-dong 266071,P.R.China
2. College of Science,Hebei University of Science and Technology,Shijiazhuang,Hebei,050018,PR China
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Abstract

An organic-inorganic hybrid antimony(Ⅲ)oxalate(C5H6ON)2[Sb2O(C2O4)3]has been successfully obtained by simultaneous combination of a-conjugated 4-hydroxypyridine and(C2O4)2-group with stereochemical active Sb(Ⅲ)cation.The compound features a layered structure,and the equatorial planes of SbO6 units,π-conjugated(C2O4)2-and(C5H6ON)+groups are closer to a planar arrangement,representing strong structural anisotropy that favors a large birefringence.As expected,(C5H6ON)2[Sb2O(C2O4)3]exhibits a large birefringence of 0.279 at 546 nm.Structural and theoretical analyses indicate that the combination of multiple π-conjugated units is a feasible approach for designing and exploring new superior birefringent materials.

Key words

Organic π-conjugated unit/Birefringence/Stereochemically active lone pair/Layered structure

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出版年

2024

结构化学

中国化学会中国科学院福建物质结构研究所

结构化学

CSCD

影响因子：0.44

ISSN：0254-5861

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