Eu3Pt2 crystallizes in the trigonal R-3 space group. There are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in an octahedral geometry to six equivalent Pt(1) atoms. In the second Eu site, Eu(2) is bonded in a 6-coordinate geometry to six equivalent Pt(1) atoms. In the third Eu site, Eu(3) is bonded in a 5-coordinate geometry to five equivalent Pt(1) atoms. Pt(1) is bonded in a 9-coordinate geometry to one Eu(1), two equivalent Eu(2), five equivalent Eu(3), and one Pt(1) atom.
Eu3Pt2 crystallizes in the trigonal R-3 space group. There are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in an octahedral geometry to six equivalent Pt(1) atoms. All Eu(1)-Pt(1) bond lengths are 3.15 Å. In the second Eu site, Eu(2) is bonded in a 6-coordinate geometry to six equivalent Pt(1) atoms. There are three shorter (3.03 Å) and three longer (3.20 Å) Eu(2)-Pt(1) bond lengths. In the third Eu site, Eu(3) is bonded in a 5-coordinate geometry to five equivalent Pt(1) atoms. There are a spread of Eu(3)-Pt(1) bond distances ranging from 3.06-3.44 Å. Pt(1) is bonded in a 9-coordinate geometry to one Eu(1), two equivalent Eu(2), five equivalent Eu(3), and one Pt(1) atom. The Pt(1)-Pt(1) bond length is 3.03 Å.