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Materials Data on MnAlPt by Materials Project

MnPtAl crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Mn is bonded in a 6-coordinate geometry to two equivalent Mn, six equivalent Pt, and six equivalent Al atoms. Both Mn–Mn bond lengths are 2.73 Å. All Mn–Pt bond lengths are 2.85 Å. All Mn–Al bond lengths are 2.85 Å. Pt is bonded in a 11-coordinate geometry to six equivalent Mn and five equivalent Al atoms. There are three shorter (2.51 Å) and two longer (2.73 Å) Pt–Al bond lengths. Al is bonded to six equivalent Mn and five equivalent Pt atoms to form a mixture of distorted face and corner-sharing AlMn6Pt5 trigonal bipyramids.

36 MATERIALS SCIENCE↗

Materials Data on MnAlPt2 by Materials Project

MnPt2Al is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mn is bonded in a body-centered cubic geometry to eight equivalent Pt atoms. All Mn–Pt bond lengths are 2.69 Å. Pt is bonded in a body-centered cubic geometry to four equivalent Mn and four equivalent Al atoms. All Pt–Al bond lengths are 2.69 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Pt atoms.

36 MATERIALS SCIENCE↗