Materials Data on Rb2NiO2 by Materials Project

Kristin Persson
Rb2NiO2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Rb1+ is bonded to five equivalent O2- atoms to form a mixture of edge and corner-sharing RbO5 square pyramids. There are one shorter (2.87 Å) and four longer (2.99 Å) Rb–O bond lengths. Ni2+ is bonded in a linear geometry to two equivalent O2- atoms. Both Ni–O bond lengths are 1.72 Å. O2- is bonded to five equivalent Rb1+ and one Ni2+ atom...
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