Inorganic Solid Phases

[Mg(x−7.5)/3Sc3][Mg2/3Si(x−4)/3]Ox, x= 100 (Mg15.75Sc1.5Si16O50) Crystal Structure

General Information

  • Phase Label(s): Mg15.75Sc1.5Si16O50
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: mP170
  • Space Group: 13
  • Phase Prototype: Mg15.75Sc1.5Si16O50
  • Measurement Detail(s): automatic diffractometer; 15 (determination of cell parameters), automatic diffractometer; Syntex P21 (determination of structural parameters), X-rays, Cu Kα; λ = 0.154178 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 2803 reflections, R = 0.0397
  • Sample Detail(s): sample prepared from MgO, Sc2O3, H2SiO3, electron microprobe analysis; 56.39 wt.% SiO2, 37.61 wt.% MgO, 5.54 wt.% Sc2O3, single crystal (determination of cell parameters), single crystal, 0.25 mm diameter (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg15.75Sc1.5Si16O50
  • Alphabetic Formula: Mg15.75O50Sc1.5Si16
  • Published Formula: [Mg(x−7.5)/3Sc3][Mg2/3Si(x−4)/3]Ox, x= 100
  • Refined Formula: Mg16.70O50Sc1.60Si16.02
  • Wyckoff Sequence: 13,g41f2e
  • Z Formula Units: 2
  • Density: ρ = 3.15 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_1614369

  • 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