ISSN:
0044-2313
Keywords:
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Description / Table of Contents:
On the Structure of Na4[TiO4]Na4[TiO4] are formed by reaction of the binary oxides as colourless single crystals [(Na2O:TiO2 = 4.4:1.1; 750°C, 52 d, Ni-tube)], spacegroup P1 with a = 878,3(1) pm, b = 578.5(1) pm, c = 647.6(1) pm, α = 124.24(1)°, β = 102.31(1)°, γ = 95.87(1)° (Guinier-Simon-Data), Z = 4. The crystal-structure was solved by fourcircle-diffractometer data [Philips PW 1100; 1981 Io(hkl); R = 9.22%, Rw = 8.76%]. The Madelung Part of Lattice Energy, MAPLE, and Effective Coordination Numbers, ECoN, these via Mean Fictive Ionic Radii, MEFIR, calculated, are discussed.
Notes:
Na4[TiO4] wurde aus den binären Oxiden in Form farbloser Einkristalle dargestellt [(Na2O:TiO2 = 4,4:1,1; 750°C, 52 d, Ni-Bömbchen)], Raumgruppe P1 mit a = 878,3(1) pm, b = 578,5(1) pm, c = 647,6(1) pm, α = 124,24(1)°, β = 102,31(1)°, γ = 95,87(1)° (Guinier-Simon-Daten), Z = 4. Die Struktur wurde über Vierkreisdiffraktometerdaten [Philips PW 1100; 1981 Io(hkl); R = 9,22%, Rw = 8,76%] aufgeklärt. Der Madelunganteil der Gitterenergie, MAPLE, sowie Effektive Koordinationszahlen. ECoN, diese über Mittlere Fiktive Ionenradien, MEFIR, berechnet, werden diskutiert.
Additional Material:
1 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/zaac.19905820113
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