Inorganic Solid Phases

LaD2.25 (LaD2.5 rt, T = 260 K) Crystal Structure

General Information

  • Phase Label(s): LaD2.5 rt
  • Structure Class(es):
  • Classification by Properties: metal
  • Mineral Name(s):
  • Pearson Symbol: tI32
  • Space Group: 141
  • Phase Prototype: CeH2.43
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; U.S.A. Maryland, Gaithersburg, NIST Center for Neutron Research, NBSR, BT-1 (determination of structural parameters), neutrons; λ = 0.15391 nm (determination of cell and structural parameters), T = 260 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): deuteride
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement, RP = 0.0498; wRP = 0.0639
  • Sample Detail(s): sample prepared from La, D2, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: LaD2.25
  • Alphabetic Formula: D2.25La
  • Published Formula: LaD2.25
  • Refined Formula: D2.27La
  • Wyckoff Sequence: 139,medcba
  • Z Formula Units: 8
  • Density: ρ = 5.32 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_1221507

  • 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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