Inorganic Solid Phases

K2Bi8Se13−xSx, x= 4.0 (K2Bi8Se7S6) Crystal Structure

General Information

  • Phase Label(s): K2Bi8Se7S6
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: mP58
  • Space Group: 11
  • Phase Prototype: K2Bi8(Se0.69S0.31)13
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS SMART (determination of structural parameters), X-rays, Mo Kα (determination of cell parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): sulfide, selenide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, full-matrix least-squares refinement on F2; 170 variables; 4170 reflections; I > 2σ(I), R = 0.0489; wR = 0.0987
  • Sample Detail(s): sample prepared from Bi, Se, K, S, single crystal (determination of cell parameters), single crystal, 0.004×0.014×0.120 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K2Bi8Se9S4
  • Alphabetic Formula: Bi8K2S4Se9
  • Published Formula: K2Bi8Se13−xSx, x= 4.0
  • Refined Formula: Bi7.95K2.05S4.11Se8.89
  • Wyckoff Sequence: 11,e29
  • Z Formula Units: 2
  • Density: ρ = 6.51 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_1810948

  • 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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