Two new borate 6uorides, BaMBO 3 F 2 (M β«Ψβ¬ Ga, Al), have been synthesized by hydrothermal and solid-state reactions. The structure of BaGaBO 3 F 2 has been determined by single-crystal X-ray di4raction (P6 3 /m, a β«Ψβ¬ 4.907(2) A > , c β«Ψβ¬ 9.620(5) A > , Z β«Ψβ¬ 2, wR(F 2 ) β«Ψβ¬ 0.039 for 334 unique re
A New Description of the Crystal Structures of Tin Oxide Fluorides.
β Scribed by David Santamaria-Perez; Angel Vegas; Ulrich Mueller
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 9 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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The e4ects of temperature and pressure on the crystal structures of thallium(I) 6uoride have been investigated using powder neutron di4raction, with the aim of resolving the uncertainties present in the literature. Under ambient conditions, TlF adopts an orthorhombic structure in space group Pbcm wi
Ba 2 CuAlF 9 is monoclinic: a = 5.374(2) A Γ , b = 7.312(2) A Γ , c = 9.371(3) A Γ , b = 90.20(1)Β°, Z = 2, space group P2 1 /c (nΒ°14). The crystal structure was solved from X-ray single crystal data using 1071 unique reflections (900 with F o /r(F o ) > 4, R factor = 0.075). It is built up from infi
Ba 2 Cu 2 AlF 11 is trigonal: a = 7.301(1) A Γ , c = 14.145(2) A Γ , c = 120Β°, Z = 3. The crystal structure was solved in the space group P3 2 (nΒ°145), from X-ray single crystal data using 2675 unique reflections (2476 with F/r(F) > 4). It consists in a complex tridimensional arrangement of copperfl
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