Inorganic Solid Phases

C6O12CrK3·2.7H2O (K3Cr[C2O4]3[H2O]2.7) Crystal Structure

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General Information

  • Phase Label(s): K3Cr[C2O4]3[H2O]2.7
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: mP108
  • Space Group: 14
  • Phase Prototype: K3Mn[C2O4]3[H2O]3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Germany, Jülich Forschungszentrum, FRJ2-DIDO reactor, SV28 (determination of structural parameters), neutrons (determination of cell parameters), neutrons; λ = 0.124126 nm (determination of structural parameters)
  • Phase Class(es): –
  • Compound Class(es): oxalate, hydrate
  • Interpretation Detail(s): complete structure determined, block-diagonal least-squares refinement on F2; 836 reflections; I > 2σ(I), R = 0.0596; wR = 0.1036
  • Sample Detail(s): sample prepared from K2Cr2O7, oxalic acid, K2C2O4, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K3Cr[C2O4]3[H2O]2.7
  • Alphabetic Formula: [C2O4]3Cr[H2O]2.7K3
  • Published Formula: C6O12CrK3·2.7H2O
  • Refined Formula: C6CrH5.41K3O14.70
  • Wyckoff Sequence: 14,e27
  • Z Formula Units: 4
  • Density: ρ = 2.14 Mg·m−3
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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

Displacement Parameters

Isotropic

Site
Published
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1520800

  • 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)

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