La2Re3B7 is Magnesium tetraboride-derived structured and crystallizes in the orthorhombic Pcca space group. La(1) is bonded in a 11-coordinate geometry to two equivalent B(4), three equivalent B(1), three equivalent B(3), and four equivalent B(2) atoms. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded in a 6-coordinate geometry to one B(1), one B(2), one B(4), and three equivalent B(3) atoms. In the second Re site, Re(2) is bonded in a 8-coordinate geometry to two equivalent B(2), two equivalent B(3), and four equivalent B(1) atoms. There are four inequivalent B sites. In the first B site, B(3) is bonded in a 8-coordinate geometry to three equivalent La(1), one Re(2), three equivalent Re(1), and one B(1) atom. In the second B site, B(4) is bonded in a 8-coordinate geometry to four equivalent La(1), two equivalent Re(1), and two equivalent B(2) atoms. In the third B site, B(1) is bonded in a 9-coordinate geometry to three equivalent La(1), one Re(1), two equivalent Re(2), one B(1), one B(2), and one B(3) atom. In the fourth B site, B(2) is bonded in a 9-coordinate geometry to four equivalent La(1), one Re(1), one Re(2), one B(1), one B(2), and one B(4) atom.
La2Re3B7 is Magnesium tetraboride-derived structured and crystallizes in the orthorhombic Pcca space group. La(1) is bonded in a 11-coordinate geometry to two equivalent B(4), three equivalent B(1), three equivalent B(3), and four equivalent B(2) atoms. There is one shorter (2.77 Å) and one longer (3.13 Å) La(1)-B(4) bond length. There are a spread of La(1)-B(1) bond distances ranging from 2.89-3.15 Å. There are a spread of La(1)-B(3) bond distances ranging from 2.89-3.36 Å. There are a spread of La(1)-B(2) bond distances ranging from 2.82-3.11 Å. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded in a 6-coordinate geometry to one B(1), one B(2), one B(4), and three equivalent B(3) atoms. The Re(1)-B(1) bond length is 2.24 Å. The Re(1)-B(2) bond length is 2.23 Å. The Re(1)-B(4) bond length is 2.10 Å. There are a spread of Re(1)-B(3) bond distances ranging from 2.13-2.29 Å. In the second Re site, Re(2) is bonded in a 8-coordinate geometry to two equivalent B(2), two equivalent B(3), and four equivalent B(1) atoms. Both Re(2)-B(2) bond lengths are 2.26 Å. Both Re(2)-B(3) bond lengths are 2.28 Å. There are two shorter (2.21 Å) and two longer (2.31 Å) Re(2)-B(1) bond lengths. There are four inequivalent B sites. In the first B site, B(3) is bonded in a 8-coordinate geometry to three equivalent La(1), one Re(2), three equivalent Re(1), and one B(1) atom. The B(3)-B(1) bond length is 1.80 Å. In the second B site, B(4) is bonded in a 8-coordinate geometry to four equivalent La(1), two equivalent Re(1), and two equivalent B(2) atoms. Both B(4)-B(2) bond lengths are 1.86 Å. In the third B site, B(1) is bonded in a 9-coordinate geometry to three equivalent La(1), one Re(1), two equivalent Re(2), one B(1), one B(2), and one B(3) atom. The B(1)-B(1) bond length is 1.78 Å. The B(1)-B(2) bond length is 1.76 Å. In the fourth B site, B(2) is bonded in a 9-coordinate geometry to four equivalent La(1), one Re(1), one Re(2), one B(1), one B(2), and one B(4) atom. The B(2)-B(2) bond length is 1.68 Å.