Pb2MnReO6 is Pb(Zr_(1-x)Ti_x)O3-derived structured and crystallizes in the monoclinic C2/m space group. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded to two equivalent O(1), two equivalent O(6), and two equivalent O(7) atoms to form ReO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-27°. In the second Re site, Re(2) is bonded to one O(2), one O(3), one O(5), one O(8), and two equivalent O(4) atoms to form ReO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-20°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with two equivalent Re(1)O6 octahedra and corners with four equivalent Re(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-15°. In the second Mn site, Mn(2) is bonded to one O(2), one O(3), one O(6), one O(7), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Re(1)O6 octahedra and corners with four equivalent Re(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-27°. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms. In the second Pb site, Pb(2) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(3), one O(6), one O(8), and two equivalent O(4) atoms. There are eight inequivalent O sites. In the first O site, O(5) is bonded in a distorted linear geometry to one Re(2), one Mn(1), and two equivalent Pb(1) atoms. In the second O site, O(6) is bonded in a 4-coordinate geometry to one Re(1), one Mn(2), and two equivalent Pb(2) atoms. In the third O site, O(7) is bonded in a 4-coordinate geometry to one Re(1), one Mn(2), and two equivalent Pb(1) atoms. In the fourth O site, O(8) is bonded in a distorted linear geometry to one Re(2), one Mn(1), and two equivalent Pb(2) atoms. In the fifth O site, O(1) is bonded in a linear geometry to one Re(1), one Mn(1), two equivalent Pb(1), and two equivalent Pb(2) atoms. In the sixth O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Re(2), one Mn(2), and two equivalent Pb(2) atoms. In the seventh O site, O(3) is bonded in a 4-coordinate geometry to one Re(2), one Mn(2), and two equivalent Pb(2) atoms. In the eighth O site, O(4) is bonded in a 2-coordinate geometry to one Re(2), one Mn(2), one Pb(1), and two equivalent Pb(2) atoms.
Pb2MnReO6 is Pb(Zr_(1-x)Ti_x)O3-derived structured and crystallizes in the monoclinic C2/m space group. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded to two equivalent O(1), two equivalent O(6), and two equivalent O(7) atoms to form ReO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-27°. Both Re(1)-O(1) bond lengths are 1.93 Å. Both Re(1)-O(6) bond lengths are 1.95 Å. Both Re(1)-O(7) bond lengths are 1.96 Å. In the second Re site, Re(2) is bonded to one O(2), one O(3), one O(5), one O(8), and two equivalent O(4) atoms to form ReO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-20°. The Re(2)-O(2) bond length is 1.91 Å. The Re(2)-O(3) bond length is 1.97 Å. The Re(2)-O(5) bond length is 1.94 Å. The Re(2)-O(8) bond length is 1.88 Å. Both Re(2)-O(4) bond lengths are 1.96 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with two equivalent Re(1)O6 octahedra and corners with four equivalent Re(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-15°. Both Mn(1)-O(1) bond lengths are 2.20 Å. Both Mn(1)-O(5) bond lengths are 2.13 Å. Both Mn(1)-O(8) bond lengths are 2.20 Å. In the second Mn site, Mn(2) is bonded to one O(2), one O(3), one O(6), one O(7), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Re(1)O6 octahedra and corners with four equivalent Re(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-27°. The Mn(2)-O(2) bond length is 2.16 Å. The Mn(2)-O(3) bond length is 2.16 Å. The Mn(2)-O(6) bond length is 2.25 Å. The Mn(2)-O(7) bond length is 2.16 Å. Both Mn(2)-O(4) bond lengths are 2.19 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms. Both Pb(1)-O(1) bond lengths are 2.86 Å. Both Pb(1)-O(4) bond lengths are 2.88 Å. Both Pb(1)-O(5) bond lengths are 2.78 Å. Both Pb(1)-O(7) bond lengths are 2.57 Å. In the second Pb site, Pb(2) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(3), one O(6), one O(8), and two equivalent O(4) atoms. The Pb(2)-O(1) bond length is 2.88 Å. The Pb(2)-O(2) bond length is 2.71 Å. The Pb(2)-O(3) bond length is 2.59 Å. The Pb(2)-O(6) bond length is 2.57 Å. The Pb(2)-O(8) bond length is 2.81 Å. There is one shorter (2.59 Å) and one longer (2.85 Å) Pb(2)-O(4) bond length. There are eight inequivalent O sites. In the first O site, O(5) is bonded in a distorted linear geometry to one Re(2), one Mn(1), and two equivalent Pb(1) atoms. In the second O site, O(6) is bonded in a 4-coordinate geometry to one Re(1), one Mn(2), and two equivalent Pb(2) atoms. In the third O site, O(7) is bonded in a 4-coordinate geometry to one Re(1), one Mn(2), and two equivalent Pb(1) atoms. In the fourth O site, O(8) is bonded in a distorted linear geometry to one Re(2), one Mn(1), and two equivalent Pb(2) atoms. In the fifth O site, O(1) is bonded in a linear geometry to one Re(1), one Mn(1), two equivalent Pb(1), and two equivalent Pb(2) atoms. In the sixth O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Re(2), one Mn(2), and two equivalent Pb(2) atoms. In the seventh O site, O(3) is bonded in a 4-coordinate geometry to one Re(2), one Mn(2), and two equivalent Pb(2) atoms. In the eighth O site, O(4) is bonded in a 2-coordinate geometry to one Re(2), one Mn(2), one Pb(1), and two equivalent Pb(2) atoms.