Inorganic Solid Phases

K2CuF4 Crystal Structure

General Information

  • Phase Label(s): K2CuF4 rt orth
  • Structure Class(es):
  • Classification by Properties: ferromagnet FM, nonmetal
  • Mineral Name(s):
  • Pearson Symbol: oS28
  • Space Group: 64
  • Phase Prototype: [NH4]2CuCl4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): fluoride
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 13 variables; 234 reflections; F2 > 1σ(F2), R = 0.0286; wR = 0.0199
  • Sample Detail(s): sample prepared from KF, CuF2, amounts of K3Cu2F7 (50 wt.%) and trace amounts of KCuF3, single crystal (determination of cell parameters), single crystal, 0.094×0.094×0.025 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K2CuF4
  • Alphabetic Formula: CuF4K2
  • Published Formula: K2CuF4
  • Refined Formula: CuF4K2
  • Wyckoff Sequence: 139,e2ca
  • Z Formula Units: 2
  • Density: ρ = 3.30 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

Displacement Parameters

Anisotropic

Site
B11 [nm2]
B22 [nm2]
B33 [nm2]
B12 [nm2]
B13 [nm2]
B23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1705654

  • 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

    Citation copied