Inorganic Solid Phases

RE[BSiO5] (La0.4Ce0.6[SiO4]BO) Crystal Structure

General Information

  • Phase Label(s): La0.4Ce0.6[SiO4]BO
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): stillwellite-(Ce)
  • Pearson Symbol: hP24
  • Space Group: 144
  • Phase Prototype: Ce[SiO4]BO
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Philips PW1100 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthosilicate, borate
  • Interpretation Detail(s): complete structure determined; absolute structure determined, least-squares refinement; 1043 reflections; I > 5σ(I), R = 0.014
  • Sample Detail(s): stillwellite sample from Italy, Latium, Bassano Romano, electron microprobe analysis; 36.1 wt.% Ce2O3, 24.3 wt.% SiO2, 21.6 wt.% La2O3, 13.7 wt.% B2O3, 3.8 wt.% ThO2, twinned crystal (determination of cell parameters), twinned crystal, 0.20×0.35×0.38 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: La0.4Ce0.6SiBO5
  • Alphabetic Formula: BCe0.6La0.4O5Si
  • Published Formula: RE[BSiO5]
  • Refined Formula: BCe0.60La0.40O5Si
  • Wyckoff Sequence: 144,a8
  • Z Formula Units: 3
  • Density: ρ = 4.74 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_1611290

  • 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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