Materials Data on U4O7 by Materials Project
U4O7 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent U+3.50+ sites. In the first U+3.50+ site, U+3.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.38 Å. In the second U+3.50+ site, U+3.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 2.27–2.40 Å. In the third U+3.50+ site, U+3.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 2.26–2.41 Å. In the fourth U+3.50+ site, U+3.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.38 Å. In the fifth U+3.50+ site, U+3.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.38 Å. In the sixth U+3.50+ site, U+3.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 2.27–2.40 Å. In the seventh U+3.50+ site, U+3.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 2.26–2.40 Å. In the eighth U+3.50+ site, U+3.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 2.31–2.37 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the second O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the third O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the fourth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the fifth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the sixth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the seventh O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the eighth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the ninth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the tenth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the eleventh O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the twelfth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the thirteenth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the fourteenth O2- site, O2- is bonded to four U+3.50+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra.