Inorganic Solid Phases

KAlSiO4 ht (KAl[SiO4] kal 1H, T = 1173 K) Crystal Structure

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General Information

  • Phase Label(s): KAl[SiO4] kal 1H
  • Structure Class(es): –
  • Classification by Properties: ionic conductor
  • Mineral Name(s): kalsilite 1H
  • Pearson Symbol: hP18
  • Space Group: 173
  • Phase Prototype: KLi[SO4]
  • Measurement Detail(s): Weissenberg photographs (determination of cell parameters), diffractometer and Weissenberg photographs (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters), T = 1173 K (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): orthosilicate
  • Interpretation Detail(s): complete structure determined, 13 reflections, R = 0.15
  • Sample Detail(s): kalsilite sample from synthetic, sample prepared from SiO2, Al2O3, K2CO3, single crystal (determination of cell parameters), powder (determination of structural parameters)

Substance Summary

  • Standard Formula: KAl[SiO4]
  • Alphabetic Formula: AlK[SiO4]
  • Published Formula: KAlSiO4 ht
  • Refined Formula: AlKO4Si
  • Wyckoff Sequence: 186,cb3a
  • Z Formula Units: 2
  • Density: ρ = 2.50 Mg·m−3
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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_2070107

  • 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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