A[N(SO2NH2)2] (A=Na, K, Rb, and Cs): Enhancing Birefringence of Non π-Conjugated Deep-Ultraviolet Crystals via Novel Dimeric Disulfonamide [N(SO2NH2)2]⁻ Groups

Yuchen Yan; Xin Wen; Jindong Chen; Zhanggui Hu; Jiyang Wang; Ning Ye; Guang Peng

doi:10.1039/d6qi00529b

January 1, 2026Inorganic Chemistry Frontiers

A[N(SO2NH2)2] (A=Na, K, Rb, and Cs): Enhancing Birefringence of Non π-Conjugated Deep-Ultraviolet Crystals via Novel Dimeric Disulfonamide [N(SO2NH2)2]⁻ Groups

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Key Points

The aim is to improve optical anisotropy in deep-ultraviolet crystals using innovative molecular groups.
Introduced dimeric disulfonamide groups to the crystal structures.
Utilized coordination substitution strategies to create new crystal configurations.
Demonstrated significant enhancement of birefringence in the modified crystals.
Observed improvements in optical properties compared to conventional methods.

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Implication

Novel dimeric disulfonamide modifies non π-conjugated DUV crystals, enhancing optical properties.

Abstract

Achieving high optical anisotropy in deep-ultraviolet (DUV) crystals built from conventional non-π-conjugated tetrahedral units has long been a major challenge. Extending beyond the tetrahedral hetero-coordination substitution strategy, we introduce a...

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Yan et al. (2026) studied this question.

synapsesocial.com/papers/69eb0a66553a5433e34b46f1 https://doi.org/10.1039/d6qi00529b

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A[N(SO2NH2)2] (A=Na, K, Rb, and Cs): Enhancing Birefringence of Non π-Conjugated Deep-Ultraviolet Crystals via Novel Dimeric Disulfonamide [N(SO2NH2)2]⁻ Groups

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A[N(SO2NH2)2] (A=Na, K, Rb, and Cs): Enhancing Birefringence of Non π-Conjugated Deep-Ultraviolet Crystals via Novel Dimeric Disulfonamide [N(SO2NH2)2]⁻ Groups

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