WMn3B4 is delta Molybdenum Boride-derived structured and crystallizes in the monoclinic Pm space group. W(1) is bonded in a 13-coordinate geometry to two equivalent Mn(2), four equivalent Mn(3), one B(2), two equivalent B(1), two equivalent B(3), and two equivalent B(4) atoms. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 7-coordinate geometry to one B(1), two equivalent B(2), two equivalent B(3), and two equivalent B(4) atoms. In the second Mn site, Mn(2) is bonded in a 9-coordinate geometry to two equivalent W(1), one B(4), two equivalent B(1), two equivalent B(2), and two equivalent B(3) atoms. In the third Mn site, Mn(3) is bonded in a 7-coordinate geometry to four equivalent W(1), one B(3), two equivalent B(1), two equivalent B(2), and two equivalent B(4) atoms. There are four inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to two equivalent W(1), one Mn(1), two equivalent Mn(2), two equivalent Mn(3), and two equivalent B(3) atoms. In the second B site, B(2) is bonded in a 9-coordinate geometry to one W(1), two equivalent Mn(1), two equivalent Mn(2), two equivalent Mn(3), and two equivalent B(4) atoms. In the third B site, B(3) is bonded in a 9-coordinate geometry to two equivalent W(1), one Mn(3), two equivalent Mn(1), two equivalent Mn(2), and two equivalent B(1) atoms. In the fourth B site, B(4) is bonded in a 9-coordinate geometry to two equivalent W(1), one Mn(2), two equivalent Mn(1), two equivalent Mn(3), and two equivalent B(2) atoms.
WMn3B4 is delta Molybdenum Boride-derived structured and crystallizes in the monoclinic Pm space group. W(1) is bonded in a 13-coordinate geometry to two equivalent Mn(2), four equivalent Mn(3), one B(2), two equivalent B(1), two equivalent B(3), and two equivalent B(4) atoms. Both W(1)-Mn(2) bond lengths are 2.71 Å. There are two shorter (2.73 Å) and two longer (2.77 Å) W(1)-Mn(3) bond lengths. The W(1)-B(2) bond length is 2.32 Å. There is one shorter (2.28 Å) and one longer (2.32 Å) W(1)-B(1) bond length. Both W(1)-B(3) bond lengths are 2.28 Å. Both W(1)-B(4) bond lengths are 2.27 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 7-coordinate geometry to one B(1), two equivalent B(2), two equivalent B(3), and two equivalent B(4) atoms. The Mn(1)-B(1) bond length is 2.24 Å. There is one shorter (2.25 Å) and one longer (2.30 Å) Mn(1)-B(2) bond length. Both Mn(1)-B(3) bond lengths are 2.20 Å. Both Mn(1)-B(4) bond lengths are 2.20 Å. In the second Mn site, Mn(2) is bonded in a 9-coordinate geometry to two equivalent W(1), one B(4), two equivalent B(1), two equivalent B(2), and two equivalent B(3) atoms. The Mn(2)-B(4) bond length is 2.18 Å. Both Mn(2)-B(1) bond lengths are 2.19 Å. Both Mn(2)-B(2) bond lengths are 2.19 Å. There is one shorter (2.17 Å) and one longer (2.38 Å) Mn(2)-B(3) bond length. In the third Mn site, Mn(3) is bonded in a 7-coordinate geometry to four equivalent W(1), one B(3), two equivalent B(1), two equivalent B(2), and two equivalent B(4) atoms. The Mn(3)-B(3) bond length is 2.28 Å. Both Mn(3)-B(1) bond lengths are 2.26 Å. Both Mn(3)-B(2) bond lengths are 2.23 Å. There is one shorter (2.24 Å) and one longer (2.37 Å) Mn(3)-B(4) bond length. There are four inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to two equivalent W(1), one Mn(1), two equivalent Mn(2), two equivalent Mn(3), and two equivalent B(3) atoms. Both B(1)-B(3) bond lengths are 1.80 Å. In the second B site, B(2) is bonded in a 9-coordinate geometry to one W(1), two equivalent Mn(1), two equivalent Mn(2), two equivalent Mn(3), and two equivalent B(4) atoms. Both B(2)-B(4) bond lengths are 1.81 Å. In the third B site, B(3) is bonded in a 9-coordinate geometry to two equivalent W(1), one Mn(3), two equivalent Mn(1), two equivalent Mn(2), and two equivalent B(1) atoms. In the fourth B site, B(4) is bonded in a 9-coordinate geometry to two equivalent W(1), one Mn(2), two equivalent Mn(1), two equivalent Mn(3), and two equivalent B(2) atoms.