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Pb2Cl2(HPO3)(H2O) and Pb3Br2(HPO3)2: Two Phosphite Halides with 3D Structural Networks and Enlarged Birefringence
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2023-01-09 , DOI: 10.1021/acs.inorgchem.2c04331 Gang-Xiang Liu 1 , Ru-Ling Tang 1 , Liang Ma 1 , Yi-Lei Lv 1 , Wenlong Liu 1 , Sheng-Ping Guo 1
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2023-01-09 , DOI: 10.1021/acs.inorgchem.2c04331 Gang-Xiang Liu 1 , Ru-Ling Tang 1 , Liang Ma 1 , Yi-Lei Lv 1 , Wenlong Liu 1 , Sheng-Ping Guo 1
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Compounds constructed by mixed anions are widely favorable for their diverse crystal structures and physical performances. Here, two lead phosphite halides, Pb2Cl2(HPO3)(H2O) (1) and Pb3Br2(HPO3)2 (2), were obtained by facile hydrothermal reactions. Both compounds crystallize in the space group Pnma. 1 exhibits a 3D structure composed of HPO3 units, PbCl4O3 pentagonal bipyramids, and PbO3 pyramids. 2 also shows a 3D framework built by HPO3 units, PbO2Br4 octahedron, PbO5 and PbO3Br2 square pyramids. By introducing halogen anions to the lead phosphite system, 1 and 2 show enhanced birefringences of 0.083 and 0.072 at 1064 nm, respectively, compared with 0.023@1064 nm for Pb2(HPO3)2. In this work, syntheses, crystal structures, optical properties, and theoretical calculation results have been studied in detail.
中文翻译：
Pb2Cl2(HPO3)(H2O) 和 Pb3Br2(HPO3)2：具有 3D 结构网络和放大双折射的两种亚磷酸盐卤化物
由混合阴离子构成的化合物因其多样的晶体结构和物理性能而广受青睐。在此，通过简单的水热反应获得了两种亚磷酸铅卤化物 Pb 2 Cl 2 (HPO 3 )(H 2 O) ( 1 ) 和 Pb 3 Br 2 (HPO 3 ) 2 ( 2 )。两种化合物都在空间群Pnma中结晶。图1展示了由HPO 3单元、PbCl 4 O 3五角双锥和PbO 3金字塔组成的3D结构。2个还显示了由 HPO 3单元、PbO 2 Br 4八面体、PbO 5和PbO 3 Br 2方形金字塔构建的3D框架。通过将卤素阴离子引入亚磷酸铅系统，1和2在 1064 nm 处的双折射率分别提高了 0.083 和 0.072，而 Pb 2 (HPO 3 ) 2的双折射率为 0.023@1064 nm 。在这项工作中，对合成、晶体结构、光学性质和理论计算结果进行了详细研究。
更新日期：2023-01-09
中文翻译：
Pb2Cl2(HPO3)(H2O) 和 Pb3Br2(HPO3)2：具有 3D 结构网络和放大双折射的两种亚磷酸盐卤化物
由混合阴离子构成的化合物因其多样的晶体结构和物理性能而广受青睐。在此，通过简单的水热反应获得了两种亚磷酸铅卤化物 Pb 2 Cl 2 (HPO 3 )(H 2 O) ( 1 ) 和 Pb 3 Br 2 (HPO 3 ) 2 ( 2 )。两种化合物都在空间群Pnma中结晶。图1展示了由HPO 3单元、PbCl 4 O 3五角双锥和PbO 3金字塔组成的3D结构。2个还显示了由 HPO 3单元、PbO 2 Br 4八面体、PbO 5和PbO 3 Br 2方形金字塔构建的3D框架。通过将卤素阴离子引入亚磷酸铅系统，1和2在 1064 nm 处的双折射率分别提高了 0.083 和 0.072，而 Pb 2 (HPO 3 ) 2的双折射率为 0.023@1064 nm 。在这项工作中，对合成、晶体结构、光学性质和理论计算结果进行了详细研究。
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