Inorganic Solid Phases

B18Si (SiB32 rhom1) Crystal Structure

General Information

  • Phase Label(s): SiB32 rhom1
  • Structure Class(es): β-boron family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hR423
  • Space Group: 166
  • Phase Prototype: B
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), X-rays, Cu Kα (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): boride
  • Interpretation Detail(s): cell parameters determined and structure type assigned
  • Sample Detail(s): sample prepared from B, Si, electron microprobe analysis, inductive coupled plasma method; B94.73(3)Si5.27(3); impurity concentration: 140.00 at. ppm Al, 97.00 at. ppm Ti, 28.00 at. ppm Ta, 15.00 at. ppm Zr, 9.90 at. ppm Ni, 4.10 at. ppm W, 1.50 at. ppm Mn, 0.78 at. ppm Co, 0.84 at. ppm Ba, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: Si5.5B99.1
  • Alphabetic Formula: B99.1Si5.5
  • Published Formula: B18Si
  • Refined Formula:
  • Wyckoff Sequence:
  • Z Formula Units: 3
  • Density: ρ = 2.40 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.

Powder Pattern

published defraction line
d [Å]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1228263

  • 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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