Inorganic Solid Phases

Mn2+2SiO3(OH)2·H2O (Mg0.1Mn1.9SiO3[OH]2[H2O]) Crystal Structure

General Information

  • Phase Label(s): Mg0.1Mn1.9SiO3[OH]2[H2O]
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oP36
  • Space Group: 29
  • Phase Prototype: Mn2SiO3[OH]2[H2O]
  • Measurement Detail(s): automatic diffractometer; 22 (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): hydroxide, silicate, hydrate
  • Interpretation Detail(s): complete structure determined, 96 variables; 1341 reflections; I > 3σ(I), R = 0.0214; wR = 0.0291
  • Sample Detail(s): nchwaningite sample from South Africa, Northern Cape Province, Kalahari manganese field, electron microprobe analysis; 28.02 wt.% SiO2, 0.27 wt.% Al2O3, 0.27 wt.% FeO, 60.02 wt.% MnO, 1.93 wt.% MgO, 0.19 wt.% CaO, single crystal (determination of cell parameters), single crystal, 0.07×0.17×0.97 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg0.1Mn1.9SiO3[OH]2[H2O]
  • Alphabetic Formula: [H2O]Mg0.1Mn1.9O3[OH]2Si
  • Published Formula: Mn2+2SiO3(OH)2·H2O
  • Refined Formula: H4Mg0.10Mn1.90O6Si
  • Wyckoff Sequence: 29,a9
  • Z Formula Units: 4
  • Density: ρ = 3.19 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_1617435

  • 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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