NaNbO2 is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. Na(1) is bonded to six equivalent O(1) atoms to form distorted NaO6 octahedra that share corners with six equivalent Nb(1)O6 octahedra, edges with six equivalent Na(1)O6 octahedra, and edges with six equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles are 5°. Nb(1) is bonded to six equivalent O(1) atoms to form NbO6 octahedra that share corners with six equivalent Na(1)O6 octahedra, edges with six equivalent Na(1)O6 octahedra, and edges with six equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles are 5°. O(1) is bonded to three equivalent Na(1) and three equivalent Nb(1) atoms to form a mixture of corner and edge-sharing ONa3Nb3 octahedra. The corner-sharing octahedra are not tilted.
NaNbO2 is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. Na(1) is bonded to six equivalent O(1) atoms to form distorted NaO6 octahedra that share corners with six equivalent Nb(1)O6 octahedra, edges with six equivalent Na(1)O6 octahedra, and edges with six equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles are 5°. All Na(1)-O(1) bond lengths are 2.35 Å. Nb(1) is bonded to six equivalent O(1) atoms to form NbO6 octahedra that share corners with six equivalent Na(1)O6 octahedra, edges with six equivalent Na(1)O6 octahedra, and edges with six equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles are 5°. All Nb(1)-O(1) bond lengths are 2.19 Å. O(1) is bonded to three equivalent Na(1) and three equivalent Nb(1) atoms to form a mixture of corner and edge-sharing ONa3Nb3 octahedra. The corner-sharing octahedra are not tilted.