Inorganic Solid Phases

K1.00Mg2.00Al4.80Si1.15O12 (K0.5MgAl2.4Si0.575O6) Crystal Structure

General Information

  • Phase Label(s): K0.5MgAl2.4Si0.575O6
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP22
  • Space Group: 176
  • Phase Prototype: Ca0.5MgAl3O6
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku RINT-2500 V (determination of structural parameters), X-rays, Cr Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, wRP = 0.1011; RB = 0.0470
  • Sample Detail(s): sample prepared from K2CO3, MgO, Al[NO3]3[H2O]9, (C2H5)4SiO4, electron microprobe analysis; K1.01(3)Mg2.01(1)Al4.81(2)Si1.13(2)O12, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K0.5MgAl2.4Si0.575O6
  • Alphabetic Formula: Al2.4K0.5MgO6Si0.575
  • Published Formula: K1.00Mg2.00Al4.80Si1.15O12
  • Refined Formula: Al2.40K0.50MgO6Si0.57
  • Wyckoff Sequence: 176,h3ca
  • Z Formula Units: 2
  • Density: ρ = 3.93 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_1226183

  • 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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