Re2P5 is Hausmannite-like structured and crystallizes in the triclinic P-1 space group. There are four inequivalent Re sites. In the first Re site, Re(1) is bonded to one P(10), one P(2), one P(4), one P(9), and two equivalent P(3) atoms to form distorted ReP6 octahedra that share corners with two equivalent Re(2)P6 octahedra, corners with three equivalent Re(4)P6 octahedra,  a cornercorner with one P(8)Re2P2 tetrahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, corners with two equivalent P(7)Re2P2 tetrahedra,  an edgeedge with one Re(1)P6 octahedra, and edges with two equivalent Re(3)P6 octahedra. The corner-sharing octahedral tilt angles range from 45-63°. In the second Re site, Re(2) is bonded to one P(10), one P(2), one P(5), one P(7), and two equivalent P(1) atoms to form distorted ReP6 octahedra that share corners with two equivalent Re(1)P6 octahedra, corners with three equivalent Re(3)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(4)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(6)ReP3 tetrahedra,  an edgeedge with one Re(2)P6 octahedra, and edges with two equivalent Re(4)P6 octahedra. The corner-sharing octahedral tilt angles range from 37-59°. In the third Re site, Re(3) is bonded to one P(1), one P(10), one P(3), one P(4), and two equivalent P(8) atoms to form distorted ReP6 octahedra that share corners with two equivalent Re(4)P6 octahedra, corners with three equivalent Re(2)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(9)Re2P2 tetrahedra, corners with two equivalent P(6)ReP3 tetrahedra,  an edgeedge with one Re(3)P6 octahedra, and edges with two equivalent Re(1)P6 octahedra. The corner-sharing octahedral tilt angles range from 37-55°. In the fourth Re site, Re(4) is bonded to one P(1), one P(2), one P(4), one P(6), one P(7), and one P(9) atom to form distorted ReP6 octahedra that share corners with two equivalent Re(3)P6 octahedra, corners with three equivalent Re(1)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(2)Re3P tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, corners with two equivalent P(8)Re2P2 tetrahedra, corners with two equivalent P(5)ReP3 tetrahedra, and edges with two equivalent Re(2)P6 octahedra. The corner-sharing octahedral tilt angles range from 45-63°. There are ten inequivalent P sites. In the first P site, P(1) is bonded in a 4-coordinate geometry to one Re(3), one Re(4), and two equivalent Re(2) atoms. In the second P site, P(2) is bonded to one Re(1), one Re(2), one Re(4), and one P(6) atom to form distorted PRe3P tetrahedra that share  a cornercorner with one Re(4)P6 octahedra,  a cornercorner with one P(8)Re2P2 tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, corners with two equivalent P(7)Re2P2 tetrahedra, corners with two equivalent P(9)Re2P2 tetrahedra, corners with two equivalent P(10)Re3P tetrahedra, corners with two equivalent P(4)Re3P tetrahedra, and corners with two equivalent P(5)ReP3 tetrahedra. The corner-sharing octahedral tilt angles are 74°. In the third P site, P(3) is bonded in a 4-coordinate geometry to one Re(3), two equivalent Re(1), and one P(7) atom. In the fourth P site, P(4) is bonded to one Re(1), one Re(3), one Re(4), and one P(5) atom to form distorted PRe3P tetrahedra that share  a cornercorner with one Re(2)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(8)Re2P2 tetrahedra, corners with two equivalent P(9)Re2P2 tetrahedra, corners with two equivalent P(10)Re3P tetrahedra, corners with two equivalent P(2)Re3P tetrahedra, and corners with two equivalent P(6)ReP3 tetrahedra. The corner-sharing octahedral tilt angles are 58°. In the fifth P site, P(5) is bonded to one Re(2), one P(4), one P(5), and one P(6) atom to form distorted PReP3 tetrahedra that share  a cornercorner with one Re(1)P6 octahedra,  a cornercorner with one Re(2)P6 octahedra,  a cornercorner with one Re(3)P6 octahedra, corners with two equivalent Re(4)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(8)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(4)Re3P tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, and corners with two equivalent P(2)Re3P tetrahedra. The corner-sharing octahedral tilt angles range from 59-73°. In the sixth P site, P(6) is bonded to one Re(4), one P(2), one P(5), and one P(8) atom to form PReP3 tetrahedra that share  a cornercorner with one Re(1)P6 octahedra,  a cornercorner with one Re(4)P6 octahedra, corners with two equivalent Re(2)P6 octahedra, corners with two equivalent Re(3)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(2)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(9)Re2P2 tetrahedra, and corners with two equivalent P(4)Re3P tetrahedra. The corner-sharing octahedral tilt angles range from 55-81°. In the seventh P site, P(7) is bonded to one Re(2), one Re(4), one P(3), and one P(7) atom to form distorted PRe2P2 tetrahedra that share  a cornercorner with one Re(2)P6 octahedra,  a cornercorner with one Re(3)P6 octahedra,  a cornercorner with one Re(4)P6 octahedra, corners with two equivalent Re(1)P6 octahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(4)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, and corners with two equivalent P(2)Re3P tetrahedra. The corner-sharing octahedral tilt angles range from 41-57°. In the eighth P site, P(8) is bonded to two equivalent Re(3), one P(6), and one P(9) atom to form distorted PRe2P2 tetrahedra that share  a cornercorner with one Re(1)P6 octahedra, corners with two equivalent Re(4)P6 octahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(2)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(10)Re3P tetrahedra, corners with two equivalent P(4)Re3P tetrahedra, and  an edgeedge with one P(8)Re2P2 tetrahedra. The corner-sharing octahedral tilt angles range from 66-74°. In the ninth P site, P(9) is bonded to one Re(1), one Re(4), one P(8), and one P(9) atom to form distorted PRe2P2 tetrahedra that share  a cornercorner with one Re(1)P6 octahedra,  a cornercorner with one Re(4)P6 octahedra, corners with two equivalent Re(3)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(8)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra, corners with two equivalent P(2)Re3P tetrahedra, corners with two equivalent P(4)Re3P tetrahedra, and corners with two equivalent P(6)ReP3 tetrahedra. The corner-sharing octahedral tilt angles range from 67-73°. In the tenth P site, P(10) is bonded to one Re(1), one Re(2), one Re(3), and one P(10) atom to form distorted PRe3P tetrahedra that share  a cornercorner with one Re(1)P6 octahedra,  a cornercorner with one Re(2)P6 octahedra,  a cornercorner with one Re(3)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(8)Re2P2 tetrahedra, corners with two equivalent P(2)Re3P tetrahedra, and corners with two equivalent P(4)Re3P tetrahedra. The corner-sharing octahedral tilt angles range from 65-75°.
Re2P5 is Hausmannite-like structured and crystallizes in the triclinic P-1 space group. There are four inequivalent Re sites. In the first Re site, Re(1) is bonded to one P(10), one P(2), one P(4), one P(9), and two equivalent P(3) atoms to form distorted ReP6 octahedra that share corners with two equivalent Re(2)P6 octahedra, corners with three equivalent Re(4)P6 octahedra,  a cornercorner with one P(8)Re2P2 tetrahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, corners with two equivalent P(7)Re2P2 tetrahedra,  an edgeedge with one Re(1)P6 octahedra, and edges with two equivalent Re(3)P6 octahedra. The corner-sharing octahedral tilt angles range from 45-63°. The Re(1)-P(10) bond length is 2.41 Å. The Re(1)-P(2) bond length is 2.48 Å. The Re(1)-P(4) bond length is 2.45 Å. The Re(1)-P(9) bond length is 2.56 Å. There is one shorter (2.28 Å) and one longer (2.30 Å) Re(1)-P(3) bond length. In the second Re site, Re(2) is bonded to one P(10), one P(2), one P(5), one P(7), and two equivalent P(1) atoms to form distorted ReP6 octahedra that share corners with two equivalent Re(1)P6 octahedra, corners with three equivalent Re(3)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(4)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(6)ReP3 tetrahedra,  an edgeedge with one Re(2)P6 octahedra, and edges with two equivalent Re(4)P6 octahedra. The corner-sharing octahedral tilt angles range from 37-59°. The Re(2)-P(10) bond length is 2.62 Å. The Re(2)-P(2) bond length is 2.42 Å. The Re(2)-P(5) bond length is 2.44 Å. The Re(2)-P(7) bond length is 2.35 Å. Both Re(2)-P(1) bond lengths are 2.39 Å. In the third Re site, Re(3) is bonded to one P(1), one P(10), one P(3), one P(4), and two equivalent P(8) atoms to form distorted ReP6 octahedra that share corners with two equivalent Re(4)P6 octahedra, corners with three equivalent Re(2)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(9)Re2P2 tetrahedra, corners with two equivalent P(6)ReP3 tetrahedra,  an edgeedge with one Re(3)P6 octahedra, and edges with two equivalent Re(1)P6 octahedra. The corner-sharing octahedral tilt angles range from 37-55°. The Re(3)-P(1) bond length is 2.40 Å. The Re(3)-P(10) bond length is 2.37 Å. The Re(3)-P(3) bond length is 2.28 Å. The Re(3)-P(4) bond length is 2.38 Å. There is one shorter (2.45 Å) and one longer (2.47 Å) Re(3)-P(8) bond length. In the fourth Re site, Re(4) is bonded to one P(1), one P(2), one P(4), one P(6), one P(7), and one P(9) atom to form distorted ReP6 octahedra that share corners with two equivalent Re(3)P6 octahedra, corners with three equivalent Re(1)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(2)Re3P tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, corners with two equivalent P(8)Re2P2 tetrahedra, corners with two equivalent P(5)ReP3 tetrahedra, and edges with two equivalent Re(2)P6 octahedra. The corner-sharing octahedral tilt angles range from 45-63°. The Re(4)-P(1) bond length is 2.37 Å. The Re(4)-P(2) bond length is 2.40 Å. The Re(4)-P(4) bond length is 2.48 Å. The Re(4)-P(6) bond length is 2.59 Å. The Re(4)-P(7) bond length is 2.29 Å. The Re(4)-P(9) bond length is 2.45 Å. There are ten inequivalent P sites. In the first P site, P(1) is bonded in a 4-coordinate geometry to one Re(3), one Re(4), and two equivalent Re(2) atoms. In the second P site, P(2) is bonded to one Re(1), one Re(2), one Re(4), and one P(6) atom to form distorted PRe3P tetrahedra that share  a cornercorner with one Re(4)P6 octahedra,  a cornercorner with one P(8)Re2P2 tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, corners with two equivalent P(7)Re2P2 tetrahedra, corners with two equivalent P(9)Re2P2 tetrahedra, corners with two equivalent P(10)Re3P tetrahedra, corners with two equivalent P(4)Re3P tetrahedra, and corners with two equivalent P(5)ReP3 tetrahedra. The corner-sharing octahedral tilt angles are 74°. The P(2)-P(6) bond length is 2.21 Å. In the third P site, P(3) is bonded in a 4-coordinate geometry to one Re(3), two equivalent Re(1), and one P(7) atom. The P(3)-P(7) bond length is 2.10 Å. In the fourth P site, P(4) is bonded to one Re(1), one Re(3), one Re(4), and one P(5) atom to form distorted PRe3P tetrahedra that share  a cornercorner with one Re(2)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(8)Re2P2 tetrahedra, corners with two equivalent P(9)Re2P2 tetrahedra, corners with two equivalent P(10)Re3P tetrahedra, corners with two equivalent P(2)Re3P tetrahedra, and corners with two equivalent P(6)ReP3 tetrahedra. The corner-sharing octahedral tilt angles are 58°. The P(4)-P(5) bond length is 2.25 Å. In the fifth P site, P(5) is bonded to one Re(2), one P(4), one P(5), and one P(6) atom to form distorted PReP3 tetrahedra that share  a cornercorner with one Re(1)P6 octahedra,  a cornercorner with one Re(2)P6 octahedra,  a cornercorner with one Re(3)P6 octahedra, corners with two equivalent Re(4)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(8)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(4)Re3P tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, and corners with two equivalent P(2)Re3P tetrahedra. The corner-sharing octahedral tilt angles range from 59-73°. The P(5)-P(5) bond length is 2.26 Å. The P(5)-P(6) bond length is 2.22 Å. In the sixth P site, P(6) is bonded to one Re(4), one P(2), one P(5), and one P(8) atom to form PReP3 tetrahedra that share  a cornercorner with one Re(1)P6 octahedra,  a cornercorner with one Re(4)P6 octahedra, corners with two equivalent Re(2)P6 octahedra, corners with two equivalent Re(3)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(2)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(9)Re2P2 tetrahedra, and corners with two equivalent P(4)Re3P tetrahedra. The corner-sharing octahedral tilt angles range from 55-81°. The P(6)-P(8) bond length is 2.24 Å. In the seventh P site, P(7) is bonded to one Re(2), one Re(4), one P(3), and one P(7) atom to form distorted PRe2P2 tetrahedra that share  a cornercorner with one Re(2)P6 octahedra,  a cornercorner with one Re(3)P6 octahedra,  a cornercorner with one Re(4)P6 octahedra, corners with two equivalent Re(1)P6 octahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra,  a cornercorner with one P(4)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra,  a cornercorner with one P(6)ReP3 tetrahedra, and corners with two equivalent P(2)Re3P tetrahedra. The corner-sharing octahedral tilt angles range from 41-57°. The P(7)-P(7) bond length is 2.17 Å. In the eighth P site, P(8) is bonded to two equivalent Re(3), one P(6), and one P(9) atom to form distorted PRe2P2 tetrahedra that share  a cornercorner with one Re(1)P6 octahedra, corners with two equivalent Re(4)P6 octahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(2)Re3P tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(10)Re3P tetrahedra, corners with two equivalent P(4)Re3P tetrahedra, and  an edgeedge with one P(8)Re2P2 tetrahedra. The corner-sharing octahedral tilt angles range from 66-74°. The P(8)-P(9) bond length is 2.20 Å. In the ninth P site, P(9) is bonded to one Re(1), one Re(4), one P(8), and one P(9) atom to form distorted PRe2P2 tetrahedra that share  a cornercorner with one Re(1)P6 octahedra,  a cornercorner with one Re(4)P6 octahedra, corners with two equivalent Re(3)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(8)Re2P2 tetrahedra,  a cornercorner with one P(10)Re3P tetrahedra, corners with two equivalent P(2)Re3P tetrahedra, corners with two equivalent P(4)Re3P tetrahedra, and corners with two equivalent P(6)ReP3 tetrahedra. The corner-sharing octahedral tilt angles range from 67-73°. The P(9)-P(9) bond length is 2.21 Å. In the tenth P site, P(10) is bonded to one Re(1), one Re(2), one Re(3), and one P(10) atom to form distorted PRe3P tetrahedra that share  a cornercorner with one Re(1)P6 octahedra,  a cornercorner with one Re(2)P6 octahedra,  a cornercorner with one Re(3)P6 octahedra,  a cornercorner with one P(7)Re2P2 tetrahedra,  a cornercorner with one P(9)Re2P2 tetrahedra,  a cornercorner with one P(5)ReP3 tetrahedra, corners with two equivalent P(8)Re2P2 tetrahedra, corners with two equivalent P(2)Re3P tetrahedra, and corners with two equivalent P(4)Re3P tetrahedra. The corner-sharing octahedral tilt angles range from 65-75°. The P(10)-P(10) bond length is 2.24 Å.