Inorganic Solid Phases

CoO2−d, P3-type phase, oxygen stacking sequence ABBCCA (CoO2 rhom) Crystal Structure

General Information

  • Phase Label(s): CoO2 rhom
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hR9
  • Space Group: 166
  • Phase Prototype: Ni(O0.5[OH]0.5)2
  • Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, wRP = 0.1116
  • Sample Detail(s): sample prepared from LiCoO2 (O3-type), [NO2][BF4], atomic absorption spectroscopy, iodometric titration; no Li detected; oxygen coefficient 1.72; amounts of O1 phase (14 mol.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: CoO1.72
  • Alphabetic Formula: CoO1.72
  • Published Formula: CoO2−d, P3-type phase, oxygen stacking sequence ABBCCA
  • Refined Formula: CoO2
  • Wyckoff Sequence: 160,a3
  • Z Formula Units: 3
  • Density: ρ = 4.68 Mg·m−3

Crystallographic Data

Cell Parameters

Published Data
Standardized Data
Unit Cell
Niggli-Reduced Cell
Space Group
a
b
c
α
β
γ
a/b
b/c
c/a
V

Atom Coordinates

Standardized

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation
Co-ord. No.
Atomic Env.

Published

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1605284

  • Copyright

    ©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016

  • Chief Editor

    Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland

    villars.mpds@bluewin.ch

  • Credits

    SpringerMaterials Release 2016.

    Data generated pre-2002: © Springer & MPDS & NIMS; post-2001: © Springer & MPDS

    All Rights Reserved. Version 2016.10.

    Project Coordinator: Shuichi Iwata

    Section-Editor: Karin Cenzual (Crystal Structures)

  • Cite this content

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