Materials Data on Pr2MgNi2 by Materials Project
MgPr2Ni2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Mg is bonded to eight equivalent Pr and four equivalent Ni atoms to form a mixture of distorted face and corner-sharing MgPr8Ni4 cuboctahedra. All Mg–Pr bond lengths are 3.40 Å. All Mg–Ni bond lengths are 3.01 Å. Pr is bonded in a 6-coordinate geometry to four equivalent Mg and six equivalent Ni atoms. There are two shorter (2.94 Å) and four longer (2.98 Å) Pr–Ni bond lengths. Ni is bonded in a 9-coordinate geometry to two equivalent Mg, six equivalent Pr, and one Ni atom. The Ni–Ni bond length is 2.53 Å.
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