Inorganic Solid Phases

Na(Mn,Ca)2Si3O8(OH) (HNaCa0.16Mn1.84Si3O9, T = 150 K) Crystal Structure

General Information

  • Phase Label(s): HNaCa0.16Mn1.84Si3O9
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): serandite
  • Pearson Symbol: aP30
  • Space Group: 2
  • Phase Prototype: HNaCa2Si3O9
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, Institut Laue-Langevin ILL, D2B (determination of structural parameters), neutrons; λ = 0.1594 nm (determination of cell and structural parameters), T = 150 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement; 96 variables, RP = 0.0226; wRP = 0.0281
  • Sample Detail(s): serandite sample from Canada, Quebec, Rouville County, Mt. Saint-Hilaire, energy-dispersive X-ray analysis; Mn/Ca ratio 0.965/0.035, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: HNaCa0.05Mn1.95Si3O9
  • Alphabetic Formula: Ca0.05HMn1.95NaO9Si3
  • Published Formula: Na(Mn,Ca)2Si3O8(OH)
  • Refined Formula: Ca0.05HMn1.95NaO9Si3
  • Wyckoff Sequence: 2,i15
  • Z Formula Units: 2
  • Density: ρ = 3.46 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_1235242

  • 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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