Inorganic Solid Phases

As4S2.25Se1.75 (AsSe0.5S0.5) Crystal Structure

Get Access CIF Download help (pdf)

General Information

  • Phase Label(s): AsSe0.5S0.5
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: mP32
  • Space Group: 14
  • Phase Prototype: AsS-a
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku R-AXIS RAPID (determination of structural parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): sulfide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, full-matrix least-squares refinement on F2; 73 variables; 1877 reflections; I > 4σ(I), R = 0.0611
  • Sample Detail(s): sample prepared from As, S, Se, electron microprobe analysis; As3.929S2.288Se1.783, single crystal (determination of cell parameters), single crystal, 0.10×0.10×0.20 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: AsSe0.44S0.56
  • Alphabetic Formula: AsS0.56Se0.44
  • Published Formula: As4S2.25Se1.75
  • Refined Formula: AsS0.56Se0.44
  • Wyckoff Sequence: 14,e8
  • Z Formula Units: 16
  • Density: ρ = 4.11 Mg·m−3
View 3D Interactive Structure

Cite this page

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]

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1223598

  • 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

    Download this citation

    Citation copied