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Figure 3
(a) The structure of Sb2O3 (Pccn) exhibiting the threefold connectivity of the Sb atoms (in ochre) forming ladder-like chains from which the Ge[4]-skeleton of Fig. 2[link](b) can be derived. The O atoms (represented by small red balls) are near the centres of the Sb—Sb contacts, mimicking the hypothetical bonding pairs. The positions close to the lone pairs (LP) remain empty. Note that in the Ge[4]-network of Fig. 2[link](d) those positions are occupied so completing the GeO4 tetrahedra. (b) The same structure without the O atoms and where some Sb—Sb bonds have been eliminated to leave pairs of rectangles like those forming the network of Fig. 2[link](c).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 73| Part 1| February 2017| Pages 94-100
https://doi.org/10.1107/S2052520616019181
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