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(W0.2V0.8)3O7: Synthese et structure cristalline

✍ Scribed by Jacques Darriet; Jean Galy


Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
340 KB
Volume
4
Category
Article
ISSN
0022-4596

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\(\mathrm{Na}_{2} \mathrm{~V}_{3} \mathrm{P}_{2} \mathrm{O}_{13}\) was synthesized by a solid state reaction at \(540^{\circ} \mathrm{C}\). His orthorhombic, Pccn, with \(a=10.186(4), b=11.976(3), c=\) \(8.377(4) \AA, V=1022.0 \AA^{3}, Z=4\). The structure was solved and refined to \(R=0.0517\) and

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Rb 5 VONb 14 O 38 , M r ‫؍‬ 2403.03 g mol ؊1 , crystallizes in the hexagonal crystal system, space group P6 3 /mmc, Z ‫؍‬ 2. The lattice parameters are a ‫؍‬ 7.5150(2) A s and c ‫؍‬ 36.3540(8) A s , V ‫؍‬ 1778.04(8) A s 3 , D x ‫؍‬ 4.488 Mg m ؊3 . The crystal structure was refined from 665 independe