Inorganic Solid Phases

NaFeP2O7 (NaFe[P2O7] mon, T = 300 K) Crystal Structure

General Information

  • Phase Label(s): NaFe[P2O7] mon
  • Structure Class(es):
  • Classification by Properties: antiferromagnet AFM
  • Mineral Name(s):
  • Pearson Symbol: mP44
  • Space Group: 14
  • Phase Prototype: NaFe[P2O7]
  • Measurement Detail(s): photographs (determination of cell parameters), automatic diffractometer; Nonius CAD3 (determination of structural parameters), X-rays (determination of cell parameters), X-rays, Mo Kα; λ = 0.070926 nm (determination of structural parameters), T = 300 K (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): diphosphate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 1481 reflections, R = 0.044
  • Sample Detail(s): sample prepared from Na2SO4, Fe2O3 (hematite), NH4H2PO4, electron microprobe analysis; Fe9.35Na9.59O62.24P18.81, single crystal (determination of cell parameters), single crystal, 0.05×0.12×0.25 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: NaFe[P2O7]
  • Alphabetic Formula: FeNa[P2O7]
  • Published Formula: NaFeP2O7
  • Refined Formula: FeNaO7P2
  • Wyckoff Sequence: 14,e11
  • Z Formula Units: 4
  • 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
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1903206

  • 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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