An Optically Anisotropic Crystal with Large Birefringence Arising from Cooperative π Orbitals,Angewandte Chemie International Edition

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An Optically Anisotropic Crystal with Large Birefringence Arising from Cooperative π Orbitals
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2022-07-29 , DOI: 10.1002/anie.202208811
Yanqiang Li _{1,

2} , Xu Zhang ₃ , Yang Zhou _{1,

2} , Weiqi Huang ₁ , Yipeng Song _{1,

2} , Han Wang ₁ , Minjuan Li ₁ , Maochun Hong ₁ , Junhua Luo _{1,

2,

4} , Sangen Zhao _{1,

2,

4}

Affiliation

The anisotropic crystal CsH₂C₆N₉⋅H₂O consists of (H₂C₆N₉)⁻ anion units in which the π orbitals of the constituent (C₃N₃) ring and linear −(N−C≡N)− moieties are cooperative. As a result, the crystal exhibits very large birefringence of up to 0.55@550 nm. This attribute enables it to efficiently divide an incident ray into different polarized rays (o ray and e ray).

中文翻译：

由协同π轨道产生的具有大双折射的光学各向异性晶体

各向异性晶体CsH ₂ C ₆ N ₉ ⋅H ₂ O由(H ₂ C ₆ N ₉ ) ^-阴离子单元组成，其中组成(C ₃ N ₃ )环的π轨道和线性-(N-C≡N )− 部分是合作的。结果，晶体表现出高达0.55@550 nm的非常大的双折射。此属性使其能够有效地将入射光线分成不同的偏振光线（o射线和e射线）。

更新日期：2022-07-29

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