Kolitsch Uwe
Universität Wien, Institut für Mineralogie und Kristallographie, Geozentrum, Althanstrasse 14, A-1090 Wien, Austria.
Acta Crystallogr C. 2004 Feb;60(Pt 2):i17-9. doi: 10.1107/S0108270103029068. Epub 2004 Jan 31.
Dicaesium tetrachromium(VI) tridecaoxide, Cs(2)Cr(4)O(13), contains finite Cr(4)O(13) anions composed of four corner-linked CrO(4) tetrahedra. These anions are linked by Cs(+) cations whose Cs-O bond lengths range between 3.015 (2) and approximately 3.7 A. Although Cs(2)Cr(4)O(13) is not isotypic with its NH(4), K or Rb analogs, the Cr(4)O(13) anions in all these compounds exhibit a similar zigzag-like geometry.
四氧化三铬（VI）十三氧化物二铯（Cs₂Cr₄O₁₃）包含由四个角相连的CrO₄四面体组成的有限[Cr₄O₁₃]²⁻阴离子。这些阴离子通过Cs⁺阳离子相连，Cs⁺阳离子的Cs - O键长在3.015（2）至约3.7埃之间。尽管Cs₂Cr₄O₁₃与其NH₄、K或Rb类似物不是同型的，但所有这些化合物中的[Cr₄O₁₃]²⁻阴离子都呈现出类似的之字形几何形状。
