Materials Data on CsH3 by Materials Project
CsH3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Cs1+ is bonded to twelve equivalent H+0.33- atoms to form a mixture of face and edge-sharing CsH12 cuboctahedra. There are six shorter (3.04 Å) and six longer (3.22 Å) Cs–H bond lengths. H+0.33- is bonded in a 6-coordinate geometry to four equivalent Cs1+ and two equivalent H+0.33- atoms. Both H–H bond lengths are 1.24 Å.
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