Materials Data on K15Re7N19 by Materials Project
K15Re7N19 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are sixteen inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 6-coordinate geometry to six N3- atoms. There are a spread of K–N bond distances ranging from 2.77–3.41 Å. In the second K1+ site, K1+ is bonded in a 6-coordinate geometry to six N3- atoms. There are a spread of K–N bond distances ranging from 2.78–3.24 Å. In the third K1+ site, K1+ is bonded to four N3- atoms to form distorted KN4 tetrahedra that share corners with four ReN4 tetrahedra and an edgeedge with one KN6 pentagonal pyramid. There are a spread of K–N bond distances ranging from 2.76–2.96 Å. In the fourth K1+ site, K1+ is bonded in a 6-coordinate geometry to six N3- atoms. There are a spread of K–N bond distances ranging from 2.70–3.22 Å. In the fifth K1+ site, K1+ is bonded in a 4-coordinate geometry to four N3- atoms. There are a spread of K–N bond distances ranging from 2.72–3.03 Å. In the sixth K1+ site, K1+ is bonded in a 4-coordinate geometry to four N3- atoms. There are a spread of K–N bond distances ranging from 2.77–3.13 Å. In the seventh K1+ site, K1+ is bonded to six N3- atoms to form distorted KN6 pentagonal pyramids that share corners with two ReN4 tetrahedra, an edgeedge with one KN6 pentagonal pyramid, an edgeedge with one KN4 tetrahedra, and edges with three ReN4 tetrahedra. There are a spread of K–N bond distances ranging from 2.78–3.11 Å. In the eighth K1+ site, K1+ is bonded in a 5-coordinate geometry to five N3- atoms. There are a spread of K–N bond distances ranging from 2.72–3.10 Å. In the ninth K1+ site, K1+ is bonded in a 6-coordinate geometry to six N3- atoms. There are a spread of K–N bond distances ranging from 2.84–3.30 Å. In the tenth K1+ site, K1+ is bonded in a 5-coordinate geometry to five N3- atoms. There are a spread of K–N bond distances ranging from 2.83–3.34 Å. In the eleventh K1+ site, K1+ is bonded in a 4-coordinate geometry to four N3- atoms. There are a spread of K–N bond distances ranging from 2.64–3.05 Å. In the twelfth K1+ site, K1+ is bonded in a 6-coordinate geometry to six N3- atoms. There are a spread of K–N bond distances ranging from 2.79–3.33 Å. In the thirteenth K1+ site, K1+ is bonded in a 3-coordinate geometry to three N3- atoms. There are a spread of K–N bond distances ranging from 2.68–2.81 Å. In the fourteenth K1+ site, K1+ is bonded in a 3-coordinate geometry to five N3- atoms. There are a spread of K–N bond distances ranging from 2.60–3.29 Å. In the fifteenth K1+ site, K1+ is bonded in a hexagonal planar geometry to six N3- atoms. There are a spread of K–N bond distances ranging from 2.87–3.12 Å. In the sixteenth K1+ site, K1+ is bonded in a distorted hexagonal planar geometry to six N3- atoms. There are a spread of K–N bond distances ranging from 2.98–3.27 Å. There are seven inequivalent Re6+ sites. In the first Re6+ site, Re6+ is bonded to four N3- atoms to form ReN4 tetrahedra that share a cornercorner with one KN6 pentagonal pyramid, a cornercorner with one KN4 tetrahedra, corners with three ReN4 tetrahedra, and an edgeedge with one KN6 pentagonal pyramid. There are a spread of Re–N bond distances ranging from 1.79–1.93 Å. In the second Re6+ site, Re6+ is bonded to four N3- atoms to form corner-sharing ReN4 tetrahedra. There are a spread of Re–N bond distances ranging from 1.79–1.95 Å. In the third Re6+ site, Re6+ is bonded to four N3- atoms to form corner-sharing ReN4 tetrahedra. There are a spread of Re–N bond distances ranging from 1.78–1.90 Å. In the fourth Re6+ site, Re6+ is bonded to four N3- atoms to form corner-sharing ReN4 tetrahedra. There are a spread of Re–N bond distances ranging from 1.80–1.92 Å. In the fifth Re6+ site, Re6+ is bonded to four N3- atoms to form corner-sharing ReN4 tetrahedra. There are a spread of Re–N bond distances ranging from 1.77–1.95 Å. In the sixth Re6+ site, Re6+ is bonded to four N3- atoms to form ReN4 tetrahedra that share corners with two equivalent KN4 tetrahedra, corners with two ReN4 tetrahedra, and an edgeedge with one KN6 pentagonal pyramid. There are a spread of Re–N bond distances ranging from 1.80–1.99 Å. In the seventh Re6+ site, Re6+ is bonded to four N3- atoms to form ReN4 tetrahedra that share a cornercorner with one KN6 pentagonal pyramid, a cornercorner with one KN4 tetrahedra, corners with two ReN4 tetrahedra, and an edgeedge with one KN6 pentagonal pyramid. There are a spread of Re–N bond distances ranging from 1.81–1.93 Å. There are nineteen inequivalent N3- sites. In the first N3- site, N3- is bonded in a 1-coordinate geometry to five K1+ and one Re6+ atom. In the second N3- site, N3- is bonded in a distorted linear geometry to four K1+ and two Re6+ atoms. In the third N3- site, N3- is bonded in a 1-coordinate geometry to five K1+ and one Re6+ atom. In the fourth N3- site, N3- is bonded in a 2-coordinate geometry to three K1+ and two Re6+ atoms. In the fifth N3- site, N3- is bonded in a 2-coordinate geometry to three K1+ and two Re6+ atoms. In the sixth N3- site, N3- is bonded in a 1-coordinate geometry to four K1+ and one Re6+ atom. In the seventh N3- site, N3- is bonded in a 1-coordinate geometry to five K1+ and one Re6+ atom. In the eighth N3- site, N3- is bonded in a 2-coordinate geometry to four K1+ and two Re6+ atoms. In the ninth N3- site, N3- is bonded in a 1-coordinate geometry to five K1+ and one Re6+ atom. In the tenth N3- site, N3- is bonded in a 6-coordinate geometry to five K1+ and one Re6+ atom. In the eleventh N3- site, N3- is bonded in a 2-coordinate geometry to three K1+ and two Re6+ atoms. In the twelfth N3- site, N3- is bonded in a 1-coordinate geometry to four K1+ and one Re6+ atom. In the thirteenth N3- site, N3- is bonded in a 2-coordinate geometry to three K1+ and two Re6+ atoms. In the fourteenth N3- site, N3- is bonded in a 2-coordinate geometry to four K1+ and two Re6+ atoms. In the fifteenth N3- site, N3- is bonded in a 1-coordinate geometry to five K1+ and one Re6+ atom. In the sixteenth N3- site, N3- is bonded in a 2-coordinate geometry to three K1+ and two Re6+ atoms. In the seventeenth N3- site, N3- is bonded in a 2-coordinate geometry to two K1+ and two Re6+ atoms. In the eighteenth N3- site, N3- is bonded in a 1-coordinate geometry to five K1+ and one Re6+ atom. In the nineteenth N3- site, N3- is bonded in a 1-coordinate geometry to four K1+ and one Re6+ atom.