Inorganic Solid Phases

(Mg1.54Cr2+0.22Cr3+0.03Fe0.02Ti0.01Mn0.01Al0.17)(Be1.07Al2.15Si5.78)O18Na0.04K0.02 (BI 12-5) (K0.02Na0.04Mg1.54Be1.07Ti0.01Cr0.25Fe0.02Al2.32Si5.78O18) Crystal Structure

General Information

  • Phase Label(s): K0.02Na0.04Mg1.54Be1.07Ti0.01Cr0.25Fe0.02Al2.32Si5.78O18
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP62
  • Space Group: 192
  • Phase Prototype: (Cs0.15[H2O]0.7)Na0.35(Li0.1Be0.9)3Si6Al2O18
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Nicolet P3/R3 (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; F > 4σ(F), R = 0.026; wR = 0.032
  • Sample Detail(s): electron microprobe analysis; (Mg1.54Cr2+0.22Cr3+0.03Fe0.02Ti0.01Mn0.01Al0.17)(Be1.07Al2.15Si5.78)O18Na0.04K0.02, single crystal (determination of cell parameters), single crystal, 0.2×0.2×0.25 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.02Na0.04Mg1.54Be1.07Ti0.01Cr0.25Fe0.02Al2.32Si5.78O18
  • Alphabetic Formula: Al2.32Be1.07Cr0.25Fe0.02K0.02Mg1.54Na0.04O18Si5.78Ti0.01
  • Published Formula: (Mg1.54Cr2+0.22Cr3+0.03Fe0.02Ti0.01Mn0.01Al0.17)(Be1.07Al2.15Si5.78)O18Na0.04K0.02 (BI 12-5)
  • Refined Formula: Al2.38Be1.05Cr0.18K0.05Mg1.68Na0.09O18Si5.70Ti0.01
  • Wyckoff Sequence: 192,ml2fcba
  • Z Formula Units: 2
  • Density: ρ = 2.58 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
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1628900

  • 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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