DOE OSTI2020
W17O47 crystallizes in the triclinic P1 space group. The structure is three-dimensional and consists of one hydrogen peroxide molecule and one W17O45 framework. In the W17O45 framework, there are seventeen inequivalent W+5.53+ sites. In the first W+5.53+ site, W+5.53+ is bonded to six O2- atoms to form distorted WO6 octahedra that share corners with two equivalent WO6 octahedra, an edgeedge with one WO6 octahedra, and an edgeedge with one WO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 10°. There are a spread of W–O bond distances ranging from 1.83–2.09 Å. In the second W+5.53+ site, W+5.53+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 5–25°. There are a spread of W–O bond distances ranging from 1.92–2.20 Å. In the third W+5.53+ site, W+5.53+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of W–O bond distances ranging from 1.85–2.06 Å. In the fourth W+5.53+ site, W+5.53+ is bonded to six O2- atoms to form WO6 octahedra that share corners with three WO6 octahedra, a cornercorner with one WO5 square pyramid, a cornercorner with one WO5 trigonal bipyramid, and an edgeedge with one WO6 octahedra. The corner-sharing octahedra tilt angles range from 3–31°. There are a spread of W–O bond distances ranging from 1.93–2.10 Å. In the fifth W+5.53+ site, W+5.53+ is bonded to six O2- atoms to form WO6 octahedra that share corners with three WO6 octahedra, a cornercorner with one WO5 trigonal bipyramid, and edges with two WO6 octahedra. The corner-sharing octahedra tilt angles range from 8–33°. There are a spread of W–O bond distances ranging from 1.91–2.16 Å. In the sixth W+5.53+ site, W+5.53+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 6–32°. There are a spread of W–O bond distances ranging from 1.92–2.11 Å. In the seventh W+5.53+ site, W+5.53+ is bonded in a pentagonal planar geometry to five O2- atoms. There are a spread of W–O bond distances ranging from 2.00–2.34 Å. In the eighth W+5.53+ site, W+5.53+ is bonded to six O2- atoms to form WO6 octahedra that share corners with three WO6 octahedra, a cornercorner with one WO5 trigonal bipyramid, and edges with two WO6 octahedra. The corner-sharing octahedra tilt angles range from 4–33°. There are a spread of W–O bond distances ranging from 1.86–2.14 Å. In the ninth W+5.53+ site, W+5.53+ is bonded to five O2- atoms to form distorted corner-sharing WO5 square pyramids. There are a spread of W–O bond distances ranging from 1.96–2.27 Å. In the tenth W+5.53+ site, W+5.53+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of W–O bond distances ranging from 1.72–2.41 Å. In the eleventh W+5.53+ site, W+5.53+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of W–O bond distances ranging from 1.90–2.42 Å. In the twelfth W+5.53+ site, W+5.53+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 6–25°. There are a spread of W–O bond distances ranging from 1.91–2.09 Å. In the thirteenth W+5.53+ site, W+5.53+ is bonded to five O2- atoms to form WO5 trigonal bipyramids that share a cornercorner with one WO6 octahedra, corners with two equivalent WO5 trigonal bipyramids, and an edgeedge with one WO6 octahedra. The corner-sharing octahedral tilt angles are 21°. There are a spread of W–O bond distances ranging from 1.92–2.16 Å. In the fourteenth W+5.53+ site, W+5.53+ is bonded to five O2- atoms to form WO5 square pyramids that share a cornercorner with one WO6 octahedra and corners with three WO5 square pyramids. The corner-sharing octahedral tilt angles are 28°. There are a spread of W–O bond distances ranging from 1.79–1.97 Å. In the fifteenth W+5.53+ site, W+5.53+ is bonded to five O2- atoms to form WO5 trigonal bipyramids that share corners with two WO6 octahedra and corners with two equivalent WO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 48–58°. There are a spread of W–O bond distances ranging from 1.73–2.00 Å. In the sixteenth W+5.53+ site, W+5.53+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 7–32°. There are a spread of W–O bond distances ranging from 1.92–2.12 Å. In the seventeenth W+5.53+ site, W+5.53+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of W–O bond distances ranging from 1.86–2.16 Å. There are forty-five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to three W+5.53+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two W+5.53+ atoms. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one W+5.53+ and one O2- atom. The O–O bond length is 1.40 Å. In the fourth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to three W+5.53+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three W+5.53+ atoms. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent W+5.53+ atoms. In the eighth O2- site, O2- is bonded in a linear geometry to two W+5.53+ atoms. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to two W+5.53+ atoms. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to three W+5.53+ atoms. In the eleventh O2- site, O2- is bonded in a distorted T-shaped geometry to three W+5.53+ atoms. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to three W+5.53+ atoms. In the thirteenth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the fourteenth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the fifteenth O2- site, O2- is bonded in a water-like geometry to two W+5.53+ atoms. In the sixteenth O2- site, O2- is bonded in a water-like geometry to two W+5.53+ atoms. In the seventeenth O2- site, O2- is bonded in a 3-coordinate geometry to three W+5.53+ atoms. In the eighteenth O2- site, O2- is bonded in a water-like geometry to two W+5.53+ atoms. In the nineteenth O2- site, O2- is bonded in a single-bond geometry to one W+5.53+ atom. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to three W+5.53+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two W+5.53+ atoms. In the twenty-second O2- site, O2- is bonded in a distorted water-like geometry to two W+5.53+ atoms. In the twenty-third O2- site, O2- is bonded in a water-like geometry to two W+5.53+ atoms. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent W+5.53+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 3-coordinate geometry to three W+5.53+ atoms. In the twenty-sixth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the twenty-seventh O2- site, O2- is bonded in a 2-coordinate geometry to one W+5.53+ and one O2- atom. The O–O bond length is 1.30 Å. In the twenty-eighth O2- site, O2- is bonded in a single-bond geometry to one O2- atom. In the twenty-ninth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the thirtieth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one W+5.53+ and one O2- atom. The O–O bond length is 1.31 Å. In the thirty-first O2- site, O2- is bonded in a 3-coordinate geometry to three W+5.53+ atoms. In the thirty-second O2- site, O2- is bonded in a 2-coordinate geometry to one W+5.53+ and one O2- atom. In the thirty-third O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent W+5.53+ atoms. In the thirty-fourth O2- site, O2- is bonded in a T-shaped geometry to three W+5.53+ atoms. In the thirty-fifth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the thirty-sixth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the thirty-seventh O2- site, O2- is bonded in a T-shaped geometry to three W+5.53+ atoms. In the thirty-eighth O2- site, O2- is bonded in a water-like geometry to two W+5.53+ atoms. In the thirty-ninth O2- site, O2- is bonded in a single-bond geometry to one O2- atom. In the fortieth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent W+5.53+ atoms. In the forty-first O2- site, O2- is bonded in a water-like geometry to two W+5.53+ atoms. In the forty-second O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the forty-third O2- site, O2- is bonded in a linear geometry to two equivalent W+5.53+ atoms. In the forty-fourth O2- site, O2- is bonded in a distorted T-shaped geometry to three W+5.53+ atoms. In the forty-fifth O2- site, O2- is bonded in a single-bond geometry to one W+5.53+ atom.