Inorganic Solid Phases

KAl2(Si3Al)O10(OH,F)2 (KAl3Si3O10[OH]1.83F0.17, T = 12 K) Crystal Structure

General Information

  • Phase Label(s): KAl3Si3O10[OH]1.83F0.17
  • Structure Class(es): mica family
  • Classification by Properties:
  • Mineral Name(s): muscovite 2M1
  • Pearson Symbol: mS76
  • Space Group: 15
  • Phase Prototype: KAl2(Al0.25Si0.75)4O10[OH]2-a
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Canada, Ontario, Chalk River Laboratories, NRU reactor, DUALSPEC C2 (determination of structural parameters), neutrons; λ = 0.15022 nm (determination of cell and structural parameters), T = 12 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, fluoride
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 55 variables; 779 reflections, RP = 0.018; wRP = 0.024; RB = 0.0046
  • Sample Detail(s): muscovite sample from U.S.A. California, Mesa Grande, Himalaya mine, electron microprobe analysis; Rb0.010K0.876Na0.096Mn0.013Fe0.029Al2.886Si3.068O10[OH]1.744F0.256, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: KAl3Si3O10[OH]1.74F0.26
  • Alphabetic Formula: Al3F0.26KO10[OH]1.74Si3
  • Published Formula: KAl2(Si3Al)O10(OH,F)2
  • Refined Formula: Al2.84F0.20H1.80K0.96O11.80Si2.87
  • Wyckoff Sequence: 15,f9e
  • Z Formula Units: 4
  • Density: ρ = 2.88 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1818476

  • 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)

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