Inorganic Solid Phases

He3 (He lt-hp) Crystal Structure

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General Information

  • Phase Label(s): He lt-hp
  • Structure Class(es): close-packed structure
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: cF4
  • Space Group: 225
  • Phase Prototype: Cu
  • Measurement Detail(s): film (determination of cell parameters), X-rays, Cu Kα, Mo Kα (determination of cell parameters), T = 18.76 K (determination of cell parameters), p = 0.1712 GPa (determination of cell parameters)
  • Phase Class(es): –
  • Compound Class(es): chemical element
  • Interpretation Detail(s): cell parameters determined and type with fixed coordinates assigned
  • Sample Detail(s): sample prepared from He, mass spectroscopy; 99.92 wt.% He3, 0.04 wt.% He4, 0.04 wt.% H, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: He
  • Alphabetic Formula: He
  • Published Formula: He3
  • Refined Formula: He
  • Wyckoff Sequence: 225,a
  • Z Formula Units: 4
  • Density: ρ = 0.35 Mg·m−3
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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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1925153

  • 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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