Inorganic Solid Phases

Na8[Cr4B12P8O44(OH)4][P2O7]·8H2O (Na8Cr4B12[PO4]8[P2O7]O12[OH]4[H2O]8) Crystal Structure

General Information

  • Phase Label(s): Na8Cr4B12[PO4]8[P2O7]O12[OH]4[H2O]8
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cI792
  • Space Group: 197
  • Phase Prototype: Na8Cr4B12[PO4]8[P2O7]O12[OH]4[H2O]8
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Oxford Diffraction Xcalibur (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 290 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, orthophosphate, diphosphate, borate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement on F2; 4103 reflections; I > 2σ(I), R = 0.0574; wR = 0.1536
  • Sample Detail(s): sample prepared from Cr[NO3]3[H2O]9, H3PO4, Na2B4O7[H2O]10, inductive coupled plasma method, thermogravimetry; H2O content analyzed; Na content analyzed, single crystal (determination of cell parameters), single crystal, 0.1586×0.1644×0.2285 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na8Cr4B12[PO4]8[P2O7]O12[OH]4[H2O]8
  • Alphabetic Formula: B12Cr4[H2O]8Na8O12[OH]4[PO4]8[P2O7]
  • Published Formula: Na8[Cr4B12P8O44(OH)4][P2O7]·8H2O
  • Refined Formula: B12Cr4H14.85Na7.31O60.43P10
  • Wyckoff Sequence: 197,f30e3dc3
  • Z Formula Units: 6
  • Density: ρ = 2.31 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

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_1124500

  • 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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