LaPt2Si2 crystallizes in the tetragonal I4/mmm space group. La(1) is bonded in a 16-coordinate geometry to eight equivalent Pt(1) and eight equivalent Si(1) atoms. Pt(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Pt(1) atoms.
LaPt2Si2 crystallizes in the tetragonal I4/mmm space group. La(1) is bonded in a 16-coordinate geometry to eight equivalent Pt(1) and eight equivalent Si(1) atoms. All La(1)-Pt(1) bond lengths are 3.37 Å. All La(1)-Si(1) bond lengths are 3.32 Å. Pt(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Si(1) atoms. All Pt(1)-Si(1) bond lengths are 2.45 Å. Si(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Pt(1) atoms.