Na3MnBSO7 crystallizes in the monoclinic P2_1/m space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), two equivalent O(1), and two equivalent O(6) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. Mn(1) is bonded to one O(2), one O(3), one O(4), one O(5), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with four equivalent S(1)O4 tetrahedra. B(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. S(1) is bonded to one O(4), one O(5), and two equivalent O(6) atoms to form SO4 tetrahedra that share corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-54°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Na(1), two equivalent Na(2), and one B(1) atom. In the second O site, O(2) is bonded to one Na(1), two equivalent Na(2), one Mn(1), and one B(1) atom to form a mixture of distorted face and edge-sharing ONa3MnB trigonal bipyramids. In the third O site, O(3) is bonded to one Na(1), two equivalent Na(2), one Mn(1), and one B(1) atom to form a mixture of distorted face and edge-sharing ONa3MnB trigonal bipyramids. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(2), one Mn(1), and one S(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Na(2), one Mn(1), and one S(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Mn(1), and one S(1) atom.
Na3MnBSO7 crystallizes in the monoclinic P2_1/m space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), two equivalent O(1), and two equivalent O(6) atoms. The Na(1)-O(2) bond length is 2.35 Å. The Na(1)-O(3) bond length is 2.48 Å. There is one shorter (2.45 Å) and one longer (2.89 Å) Na(1)-O(1) bond length. Both Na(1)-O(6) bond lengths are 2.73 Å. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Na(2)-O(1) bond length is 2.25 Å. The Na(2)-O(2) bond length is 2.40 Å. The Na(2)-O(3) bond length is 2.34 Å. The Na(2)-O(4) bond length is 2.83 Å. The Na(2)-O(5) bond length is 2.54 Å. The Na(2)-O(6) bond length is 2.69 Å. Mn(1) is bonded to one O(2), one O(3), one O(4), one O(5), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with four equivalent S(1)O4 tetrahedra. The Mn(1)-O(2) bond length is 2.14 Å. The Mn(1)-O(3) bond length is 2.10 Å. The Mn(1)-O(4) bond length is 2.22 Å. The Mn(1)-O(5) bond length is 2.30 Å. Both Mn(1)-O(6) bond lengths are 2.28 Å. B(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. The B(1)-O(1) bond length is 1.37 Å. The B(1)-O(2) bond length is 1.41 Å. The B(1)-O(3) bond length is 1.41 Å. S(1) is bonded to one O(4), one O(5), and two equivalent O(6) atoms to form SO4 tetrahedra that share corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-54°. The S(1)-O(4) bond length is 1.50 Å. The S(1)-O(5) bond length is 1.49 Å. Both S(1)-O(6) bond lengths are 1.49 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Na(1), two equivalent Na(2), and one B(1) atom. In the second O site, O(2) is bonded to one Na(1), two equivalent Na(2), one Mn(1), and one B(1) atom to form a mixture of distorted face and edge-sharing ONa3MnB trigonal bipyramids. In the third O site, O(3) is bonded to one Na(1), two equivalent Na(2), one Mn(1), and one B(1) atom to form a mixture of distorted face and edge-sharing ONa3MnB trigonal bipyramids. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(2), one Mn(1), and one S(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Na(2), one Mn(1), and one S(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Mn(1), and one S(1) atom.