Materials Data on PmCu3 by Materials Project
PmCu3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Pm is bonded in a 12-coordinate geometry to twelve equivalent Cu atoms. There are six shorter (3.03 Å) and six longer (3.12 Å) Pm–Cu bond lengths. Cu is bonded in a 10-coordinate geometry to four equivalent Pm and six equivalent Cu atoms. There are two shorter (2.51 Å) and four longer (2.59 Å) Cu–Cu bond lengths.
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