Inorganic Solid Phases

Na8Mn2Si10O25(OH,Cl)2·12H2O (Na8Mn2Si10Cl0.76O25[OH]1.24[H2O]12) Crystal Structure

General Information

  • Phase Label(s): Na8Mn2Si10Cl0.76O25[OH]1.24[H2O]12
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): varennesite
  • Pearson Symbol: oS236
  • Space Group: 63
  • Phase Prototype: Na8Mn2Si10Cl0.76O25[OH]1.24[H2O]12
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Nicolet R3m (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, chloride, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement; 2093 reflections; F > 6σ(F), R = 0.079; wR = 0.063
  • Sample Detail(s): varennesite sample from Canada, Quebec, Verchères County, Demix-Varennes quarry, electron microprobe analysis; (Na7.64Ca0.02K0.06Sr0.02)(Mn1.13Fe0.56Ti0.39Mg0.01)(Si9.88Al0.12)O25.31[Cl0.76[OH]1.24][H2O]12[SO3]0.16, single crystal (determination of cell parameters), single crystal, 0.10×0.17×0.20 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na8Mn2Si10Cl0.76O25[OH]1.24[H2O]12
  • Alphabetic Formula: Cl0.76[H2O]12Mn2Na8O25[OH]1.24Si10
  • Published Formula: Na8Mn2Si10O25(OH,Cl)2·12H2O
  • Refined Formula: Cl0.76H25.24Mn2Na8O38.24Si10
  • Wyckoff Sequence: 63,h9g4f4e2c3
  • Z Formula Units: 4
  • 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]

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_1014177

  • 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