Inorganic Solid Phases

SrMn2[Si2O7](OH)2·H2O (SrMn2[Si2O7][OH]2[H2O] ht) Crystal Structure

General Information

  • Phase Label(s): SrMn2[Si2O7][OH]2[H2O] ht
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oS64
  • Space Group: 63
  • Phase Prototype: SrMn2[Si2O7][OH]2[H2O]
  • Measurement Detail(s): automatic diffractometer (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, disilicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined; temperature dependence studied, 44 variables; 448 reflections; F > 6σ(F), R = 0.048
  • Sample Detail(s): pyroxene group sample from South Africa, Northern Cape Province, Kalahari manganese field, Wessel's mine, energy-dispersive X-ray analysis; 28.22 wt.% SiO2, 37.82 wt.% Mn2O3, 24.32 wt.% SrO, 0.53 wt.% Fe2O3, 0.46 wt.% BaO, single crystal (determination of cell parameters), single crystal, 0.05×0.15×0.15 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: SrMn2[Si2O7][OH]2[H2O]
  • Alphabetic Formula: [H2O]Mn2[OH]2[Si2O7]Sr
  • Published Formula: SrMn2[Si2O7](OH)2·H2O
  • Refined Formula: H4Mn2O10Si2Sr
  • Wyckoff Sequence: 63,hgf3dc2
  • Z Formula Units: 4
  • Density: ρ = 3.66 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
B [nm2]
Type
Computed
Beq [nm2]

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_1618006

  • 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