Materials Data on Tl2Mo2P2O11 by Materials Project
Mo2Tl2P2O11 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are four inequivalent Mo5+ sites. In the first Mo5+ site, Mo5+ is bonded to six O2- atoms to form distorted MoO6 octahedra that share a cornercorner with one MoO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one TlO8 hexagonal bipyramid. The corner-sharing octahedral tilt angles are 35°. There are a spread of Mo–O bond distances ranging from 1.74–2.23 Å. In the second Mo5+ site, Mo5+ is bonded to six O2- atoms to form distorted MoO6 octahedra that share a cornercorner with one MoO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one TlO8 hexagonal bipyramid. The corner-sharing octahedral tilt angles are 35°. There are a spread of Mo–O bond distances ranging from 1.74–2.24 Å. In the third Mo5+ site, Mo5+ is bonded to six O2- atoms to form MoO6 octahedra that share a cornercorner with one TlO8 hexagonal bipyramid, a cornercorner with one MoO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one TlO8 hexagonal bipyramid. The corner-sharing octahedral tilt angles are 35°. There are a spread of Mo–O bond distances ranging from 1.75–2.16 Å. In the fourth Mo5+ site, Mo5+ is bonded to six O2- atoms to form MoO6 octahedra that share a cornercorner with one TlO8 hexagonal bipyramid, a cornercorner with one MoO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one TlO8 hexagonal bipyramid. The corner-sharing octahedral tilt angles are 35°. There are a spread of Mo–O bond distances ranging from 1.75–2.17 Å. There are four inequivalent Tl1+ sites. In the first Tl1+ site, Tl1+ is bonded to eight O2- atoms to form distorted TlO8 hexagonal bipyramids that share corners with two MoO6 octahedra, corners with two PO4 tetrahedra, and edges with four MoO6 octahedra. The corner-sharing octahedral tilt angles are 64°. There are a spread of Tl–O bond distances ranging from 2.79–2.99 Å. In the second Tl1+ site, Tl1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Tl–O bond distances ranging from 2.87–3.40 Å. In the third Tl1+ site, Tl1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Tl–O bond distances ranging from 2.84–3.40 Å. In the fourth Tl1+ site, Tl1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Tl–O bond distances ranging from 2.95–3.23 Å. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four MoO6 octahedra. The corner-sharing octahedra tilt angles range from 42–47°. There is two shorter (1.55 Å) and two longer (1.57 Å) P–O bond length. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four MoO6 octahedra. The corner-sharing octahedra tilt angles range from 42–48°. There is three shorter (1.55 Å) and one longer (1.58 Å) P–O bond length. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one TlO8 hexagonal bipyramid and corners with four MoO6 octahedra. The corner-sharing octahedra tilt angles range from 50–51°. There is one shorter (1.55 Å) and three longer (1.56 Å) P–O bond length. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one TlO8 hexagonal bipyramid and corners with four MoO6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There is one shorter (1.55 Å) and three longer (1.56 Å) P–O bond length. There are twenty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mo5+, one Tl1+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mo5+, one Tl1+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mo5+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, one Tl1+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Mo5+, one Tl1+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Mo5+, one Tl1+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Mo5+ and three Tl1+ atoms. In the eighth O2- site, O2- is bonded in a single-bond geometry to one Mo5+ and three Tl1+ atoms. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, one Tl1+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, one Tl1+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, two Tl1+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, two Tl1+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Mo5+ and one Tl1+ atom. In the fourteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Mo5+ and one Tl1+ atom. In the fifteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, two Tl1+, and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, two Tl1+, and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, one Tl1+, and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, one Tl1+, and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a single-bond geometry to one Mo5+ and two Tl1+ atoms. In the twentieth O2- site, O2- is bonded in a single-bond geometry to one Mo5+ and two Tl1+ atoms. In the twenty-first O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, two Tl1+, and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a 1-coordinate geometry to one Mo5+, two Tl1+, and one P5+ atom.