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Materials Data on NaMoO3 by Materials Project

NaMoO3 crystallizes in the trigonal R3c space group. The structure is three-dimensional. Na1+ is bonded to twelve equivalent O2- atoms to form distorted NaO12 cuboctahedra that share corners with twelve equivalent NaO12 cuboctahedra, faces with six equivalent NaO12 cuboctahedra, and faces with eight equivalent MoO6 octahedra. There are a spread of Na–O bond distances ranging from 2.52–3.01 Å. Mo5+ is bonded to six equivalent O2- atoms to form MoO6 octahedra that share corners with six equivalent MoO6 octahedra and faces with eight equivalent NaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 14°. All Mo–O bond lengths are 1.97 Å. O2- is bonded in a 6-coordinate geometry to four equivalent Na1+ and two equivalent Mo5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NaMoO3 by Materials Project

NaMoO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Na1+ is bonded to twelve equivalent O2- atoms to form NaO12 cuboctahedra that share corners with twelve equivalent NaO12 cuboctahedra, faces with six equivalent NaO12 cuboctahedra, and faces with eight equivalent MoO6 octahedra. All Na–O bond lengths are 2.79 Å. Mo5+ is bonded to six equivalent O2- atoms to form MoO6 octahedra that share corners with six equivalent MoO6 octahedra and faces with eight equivalent NaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Mo–O bond lengths are 1.97 Å. O2- is bonded to four equivalent Na1+ and two equivalent Mo5+ atoms to form a mixture of distorted edge, face, and corner-sharing ONa4Mo2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°.

36 MATERIALS SCIENCE↗