Inorganic Solid Phases

SrCa4Cr3+8(CO3)8SO4(OH)16·25H2O (SrCa4Cr8[CO3]8[SO4][OH]16[H2O]25) Crystal Structure

General Information

  • Phase Label(s): SrCa4Cr8[CO3]8[SO4][OH]16[H2O]25
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): putnisite
  • Pearson Symbol: oP372
  • Space Group: 62
  • Phase Prototype: SrCa4Cr8[CO3]8[SO4][OH]16[H2O]25
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Oxford Diffraction Xcalibur E (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): carbonate, hydroxide, sulfate, hydrate
  • Interpretation Detail(s): positions of non-H and part of H atoms determined, full-matrix least-squares refinement on F2; 499 variables; 3181 reflections; F > 4σ(F), R = 0.0584; wR = 0.1481
  • Sample Detail(s): putnisite sample from Australia, Western Australia, Lake Cowan, Polar Bear peninsula, electron microprobe analysis; Cr3+8.02Ca3.78Sr1.08Na0.11Cu2+0.07Mg0.04Ba0.02([SO4]0.96[SiO4]0.03)[CO3]7.98[OH]16.19Cl0.15[H2O]24.84, single crystal (determination of cell parameters), single crystal, 0.03×0.04×0.06 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: SrCa4Cr8[CO3]8[SO4][OH]16[H2O]25
  • Alphabetic Formula: [CO3]8Ca4Cr8[H2O]25[OH]16[SO4]Sr
  • Published Formula: SrCa4Cr3+8(CO3)8SO4(OH)16·25H2O
  • Refined Formula: C8Ca4Cr8H61O69SSr
  • Wyckoff Sequence: 62,d40c13
  • Z Formula Units: 4
  • Density: ρ = 2.28 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]

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

Powder Pattern

published defraction line
d [Å]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1235347

  • 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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