K₃V₂O₃F₄(IO₃)₃: a high-performance SHG crystal containing both five and six-coordinated V⁵⁺ cations.

ABSTRACT: The combination of d⁰ transition metal oxofluorides with iodate anions helps to synthesize polar crystals. Herein, a novel polar crystal, K₃V₂O₃F₄(IO₃)₃, which is the first metal vanadium iodate with two types of V⁵⁺-centered polyhedra (VO₄F₂ octahedron and VO₃F₂ trigonal bipyramid), has been prepared hydrothermally. It crystallizes in the polar space group of Cmc2₁ and its structure displays an unprecedented 0D [V₂O₃F₄(IO₃)₃]^3- anion, which is composed of Λ-shaped cis-[VO₂F₂(IO₃)₂]^3- and [VO₂F₂

SUBMITTER: Chen J 

PROVIDER: S-EPMC8729798 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature