Inorganic Solid Phases

K0.58Na0.42AlSi3O8 (K0.5Na0.5AlSi3O8 tricl) Crystal Structure

General Information

  • Phase Label(s): K0.5Na0.5AlSi3O8 tricl
  • Structure Class(es):
  • Classification by Properties: nonmetal
  • Mineral Name(s): anorthoclase/microcline
  • Pearson Symbol: aP26
  • Space Group: 2
  • Phase Prototype: NaAlSi3O8
  • Measurement Detail(s): automatic diffractometer; 12 (determination of cell parameters), automatic diffractometer; Picker FACS-I (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 2111 reflections; F > 3σ(F), wR = 0.029
  • Sample Detail(s): sample from synthetic, sample prepared from (Na0.5K0.5)AlSi3O8, H2O, electron microprobe analysis, single crystal (determination of cell parameters), single crystal, 0.12×0.15×0.27 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.58Na0.42AlSi3O8
  • Alphabetic Formula: AlK0.58Na0.42O8Si3
  • Published Formula: K0.58Na0.42AlSi3O8
  • Refined Formula: Al1.01K0.58Na0.42O8Si2.99
  • Wyckoff Sequence: 2,i14
  • Z Formula Units: 2
  • Density: ρ = 2.55 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_2042316

  • 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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