ErPtZn crystallizes in the orthorhombic Pnma space group. Er(1) is bonded in a 5-coordinate geometry to five equivalent Pt(1) atoms. Pt(1) is bonded in a 9-coordinate geometry to five equivalent Er(1) and four equivalent Zn(1) atoms. Zn(1) is bonded in a 4-coordinate geometry to four equivalent Pt(1) atoms.
ErPtZn crystallizes in the orthorhombic Pnma space group. Er(1) is bonded in a 5-coordinate geometry to five equivalent Pt(1) atoms. There are a spread of Er(1)-Pt(1) bond distances ranging from 2.87-2.92 Å. Pt(1) is bonded in a 9-coordinate geometry to five equivalent Er(1) and four equivalent Zn(1) atoms. There are a spread of Pt(1)-Zn(1) bond distances ranging from 2.65-2.70 Å. Zn(1) is bonded in a 4-coordinate geometry to four equivalent Pt(1) atoms.