Materials Data on La(AsRu)2 by Materials Project
LaRu2As2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. La2+ is bonded in a body-centered cubic geometry to eight equivalent As3- atoms. All La–As bond lengths are 3.31 Å. Ru2+ is bonded to four equivalent As3- atoms to form a mixture of edge and corner-sharing RuAs4 tetrahedra. All Ru–As bond lengths are 2.45 Å. As3- is bonded in a 9-coordinate geometry to four equivalent La2+, four equivalent Ru2+, and one As3- atom. The As–As bond length is 2.84 Å.
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