NaO2 is Ilmenite-derived structured and crystallizes in the orthorhombic Pbca space group. Na(1) is bonded in a 6-coordinate geometry to three equivalent O(1) and three equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Na(1) and one O(2) atom to form a mixture of corner and edge-sharing ONa3O trigonal pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to three equivalent Na(1) and one O(1) atom.
NaO2 is Ilmenite-derived structured and crystallizes in the orthorhombic Pbca space group. Na(1) is bonded in a 6-coordinate geometry to three equivalent O(1) and three equivalent O(2) atoms. There is one shorter (2.38 Å) and two longer (2.40 Å) Na(1)-O(1) bond lengths. There are a spread of Na(1)-O(2) bond distances ranging from 2.35-2.43 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Na(1) and one O(2) atom to form a mixture of corner and edge-sharing ONa3O trigonal pyramids. The O(1)-O(2) bond length is 1.34 Å. In the second O site, O(2) is bonded in a 4-coordinate geometry to three equivalent Na(1) and one O(1) atom.