Inorganic Solid Phases

K2(Al2.5R0.2Li3.2(Si7Al)O20(F3OH) (KLi1.6Al1.75Si3.5O10[OH]0.5F1.5) Crystal Structure

General Information

  • Phase Label(s): KLi1.6Al1.75Si3.5O10[OH]0.5F1.5
  • Structure Class(es): mica family
  • Classification by Properties:
  • Mineral Name(s): polylithionite/trilithionite 3T
  • Pearson Symbol: hP60
  • Space Group: 151
  • Phase Prototype: (K0.2Na0.8)Al3Si3O10[OH]2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Picker (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, fluoride
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 705 reflections, R = 0.047
  • Sample Detail(s): lepidolite sample from Australia, Western Australia, Coolgardie, chemical analysis; (K1.69Na0.22Rb0.10)(Al2.50Mn0.18Fe0.03Mg0.02Ti0.01Li3.23)(Si6.96Al1.04)O20([OH]0.87F3.07), single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: KLi1.6Al1.75Si3.5O10[OH]0.5F1.5
  • Alphabetic Formula: Al1.75F1.5KLi1.6O10[OH]0.5Si3.5
  • Published Formula: K2(Al2.5R0.2Li3.2(Si7Al)O20(F3OH)
  • Refined Formula: AlF1.50H0.50K0.48Li0.46O10.50Si3.46
  • Wyckoff Sequence: 151,c8ba3
  • Z Formula Units: 3
  • 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

Displacement Parameters

Isotropic

Site
Published
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1615791

  • 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