DOI: 10.17188/1757001
title: Materials Data on Na11N7O16 by Materials Project

description: (Na11(N3O8)2)2N2 crystallizes in the triclinic P1 space group. The structure is three-dimensional and consists of one ammonia molecule and one Na11(N3O8)2 framework. In the Na11(N3O8)2 framework, there are eleven inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are two shorter (2.38 Å) and one longer (2.43 Å) Na–O bond lengths. In the second Na1+ site, Na1+ is bonded in a distorted hexagonal planar geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–2.87 Å. In the third Na1+ site, Na1+ is bonded to five O2- atoms to form distorted corner-sharing NaO5 trigonal bipyramids. There are a spread of Na–O bond distances ranging from 2.36–2.87 Å. In the fourth Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.21–2.50 Å. In the fifth Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.27–2.94 Å. In the sixth Na1+ site, Na1+ is bonded in a 2-coordinate geometry to two O2- atoms. There are one shorter (2.27 Å) and one longer (2.40 Å) Na–O bond lengths. In the seventh Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.29–2.48 Å. In the eighth Na1+ site, Na1+ is bonded to five O2- atoms to form distorted corner-sharing NaO5 trigonal bipyramids. There are a spread of Na–O bond distances ranging from 2.30–2.61 Å. In the ninth Na1+ site, Na1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.50 Å. In the tenth Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.26–2.59 Å. In the eleventh Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.31–3.06 Å. There are six inequivalent N3+ sites. In the first N3+ site, N3+ is bonded in a water-like geometry to two O2- atoms. There is one shorter (1.21 Å) and one longer (1.43 Å) N–O bond length. In the second N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.26 Å) and one longer (1.29 Å) N–O bond length. In the third N3+ site, N3+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There is one shorter (1.30 Å) and one longer (1.33 Å) N–O bond length. In the fourth N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.27 Å. In the fifth N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.26 Å) and one longer (1.29 Å) N–O bond length. In the sixth N3+ site, N3+ is bonded in a distorted single-bond geometry to one O2- atom. The N–O bond length is 1.34 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to four Na1+ and one O2- atom. The O–O bond length is 1.43 Å. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+ and one N3+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Na1+ and one N3+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one N3+, and one O2- atom. The O–O bond length is 1.42 Å. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one O2- atom. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to four Na1+ and one O2- atom. In the seventh O2- site, O2- is bonded to three Na1+ and one N3+ atom to form distorted corner-sharing ONa3N trigonal pyramids. In the eighth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to four Na1+ atoms. In the ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one N3+ atom. In the tenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Na1+ atoms. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one N3+ atom. In the twelfth O2- site, O2- is bonded in a 5-coordinate geometry to four Na1+ and one N3+ atom. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one N3+ atom. In the fourteenth O2- site, O2- is bonded in a 5-coordinate geometry to four Na1+ and one N3+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Na1+ and one N3+ atom. In the sixteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one N3+ atom.