(Na,□)5[MnO2]13 nanorods: a new tunnel structure for electrode materials determined ab initio and refined through a combination of electron and synchrotron diffraction data

Mugnaioli, E.; Gemmi, M.; Merlini, M.; Gregorkiewitz, M.

doi:10.1107/S2052520616015651

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 6
Detail of the crystal structure of (Na,□)₅[MnO₂]₁₃, showing the possible topotactic transition of an S-shaped tunnel (a) to a 2 × 3 romanèchite tunnel (b). Oxidation of the framework NaMn³⁺ → □Mn⁴⁺ induces the nucleophilic attack of O13 at Mn7.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 72| Part 6| December 2016| Pages 893-903

https://doi.org/10.1107/S2052520616015651

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