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Acta Cryst. (2001). E57, i85-i86 [ doi:10.1107/S1600536801014246 ]
Abstract: Triruthenium heptatin, Ru3Sn7, is an example of a body-centered cubic structure that can be described with two interpenetrating similar networks of slightly distorted square-antiprism Ru-Sn polyhedra. Each network can be modeled as dimers of face-sharing Ru-Sn square-antiprism polyhedra connected to each other with the square face. These barrel-like dimers make up one of the two networks. The barrels are connected to each other by the edge of the outer square face. The two interpenetrating networks are connected via the central corner Sn atoms of each dimer.
Online 11 September 2001
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