RbMo 2 P 3 O 14 with large birefringence mainly induced by highly distorted [MoO 6 ] in uncommon [Mo 2 P 3 O 14 ] ∞ layers

The introduction of d 0 transition metal Mo 6+ cations into a phosphate generates a new acentric molybdophosphate, RbMo 2 P 3 O 14 . It shows uncommon [Mo 2 P 3 O 14 ] ∞ layers composed of isolated [MoO 6 ] octahedra and [P 3 O 10 ] groups. To the best of our acknowledge, it exhibits the largest bir...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2021-12, Vol.50 (47), p.17559-17565
Main Authors: Zhang, Rui, Su, Xin, Zhang, Jie, Xiong, Mingyao, Huang, Yineng
Format: Article
Language:English
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Summary:The introduction of d 0 transition metal Mo 6+ cations into a phosphate generates a new acentric molybdophosphate, RbMo 2 P 3 O 14 . It shows uncommon [Mo 2 P 3 O 14 ] ∞ layers composed of isolated [MoO 6 ] octahedra and [P 3 O 10 ] groups. To the best of our acknowledge, it exhibits the largest birefringence (a calculated value of 0.166 at 546 nm) among reported molybdophosphates. In addition, it also possesses a shorter UV cut-off edge (about 250 nm) than other molybdates and molybdophosphates, indicating that it can be used as a birefringent crystal in the UV optical region. First-principles electronic structure analysis suggests that the large birefringence mainly originates from highly distorted [MoO 6 ].
ISSN:1477-9226
1477-9234
DOI:10.1039/D1DT03285B