Inorganic Solid Phases

K2Mg6(Si6Al2)O20(OH)3F (KMg3AlSi3O10[OH]F mon1) Crystal Structure

General Information

  • Phase Label(s): KMg3AlSi3O10[OH]F mon1
  • Structure Class(es): mica family
  • Classification by Properties:
  • Mineral Name(s): phlogopite 1M
  • Pearson Symbol: mS40
  • Space Group: 12
  • Phase Prototype: KMg3(Al0.25Si0.75)4O10([OH]0.5F0.5)2
  • Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), neutrons (determination of cell parameters), neutrons; λ = 0.117 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, fluoride
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 61 variables; 293 reflections, R = 0.066; wR = 0.050
  • Sample Detail(s): phlogopite sample from, single crystal (determination of cell parameters), single crystal, 0.4×5×5 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: KMg3AlSi3O10[OH]1.5F0.5
  • Alphabetic Formula: AlF0.5KMg3O10[OH]1.5Si3
  • Published Formula: K2Mg6(Si6Al2)O20(OH)3F
  • Refined Formula: Al0.96F0.49H1.68K0.97Mg3O11.43Si2.88
  • Wyckoff Sequence: 12,j3i2hda
  • Z Formula Units: 2
  • Density: ρ = 2.81 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_1813211

  • 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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