Synthesis and Characterization of ASnOAsO 4 (A = K and Rb) | Zendy

Lin KuanJiuh | Zendy; Lin HongCheu | Zendy; Lii KwangHwa | Zendy

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Synthesis and Characterization of ASnOAsO 4 (A = K and Rb)

Author(s) -

Lin KuanJiuh,

Lin HongCheu,

Lii KwangHwa

Publication year - 1995

Publication title -

journal of the chinese chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.329

H-Index - 45

eISSN - 2192-6549

pISSN - 0009-4536

DOI - 10.1002/jccs.199500125

Subject(s) - chemistry , isostructural , orthorhombic crystal system , tin , crystallography , characterization (materials science) , alkali metal , crystal structure , diffraction , x ray crystallography , crystal (programming language) , flux method , nonlinear optical , stereochemistry , single crystal , nanotechnology , nonlinear system , organic chemistry , optics , physics , programming language , materials science , quantum mechanics , computer science

Crystals of two alkali‐metal tin(IV) arsenates, KSnOAsO 4 and RbSnOAsO 4 , were grown from a flux and structurally characterized by single‐crystal X‐ray diffraction. Crystal data: RSnOAsO 4 , orthorhombic, Pna2 1 (No. 33), a = 13.406(3) Å, b = 6.678(1) Å, c = 10.921(2) Å, Z = 8, R = 0.037 for 1173 independent reflections with I > 2.5ó(l); RbSnOAsO 4 , as above except a = 13.567(3) Å, b = 6.791( 1) Å, c = 10.891(2) Å, R = 0.035 for 1958 independent reflections. The two compounds are isostructural with the nonlinear optical material KTiOPO 4 . The oxygen frameworks of both tin compounds approximate closely to a centrosymmetric arrangement, as indicated from the analysis of atomic coordinates. Second harmonics were generated in powdered RbSnOAsO 4 to confirm the absence of a center of symmetry in the structure.

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