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Journal Article

A new polyoxocobaltate(II) anion in Rb2Co2O3

MPS-Authors
/persons/resource/persons280534

Sofin,  M.
Abteilung Jansen, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

/persons/resource/persons280381

Peters,  E.-M.
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;

/persons/resource/persons280091

Jansen,  M.
Abteilung Jansen, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Sofin, M., Peters, E.-M., & Jansen, M. (2002). A new polyoxocobaltate(II) anion in Rb2Co2O3. Zeitschrift für anorganische und allgemeine Chemie, 628(12), 2697-2700.


Cite as: https://hdl.handle.net/21.11116/0000-000E-EECF-E
Abstract
Rb2Co2O3 was prepared via the azide/nitrate route. Mixtures of
the precursors Co3O4, RbN3 and RbNO3 in the molar ratios 6:17:1
were heated in a special regime up to 450 degreesC and annealed
at this temperature for 50 It in silver crucibles. Single
crystals have been grown by subsequent annealing of prepared
powder at 450 degreesC for 500 h in silver crucibles, which
were sealed in glass ampoules under dried Ar. According to the
X-ray analysis of the crystal structure (Pnma, Z = 8,
11.729(2), 6.058 (1), 8.004(1) Angstrom) cobalt is trigonal
planar coordinated by oxygen atoms. The CoO3-units share
through all corners and build up an infinite two-dimensional
(infinityCo2O3)-Co-2-network.