Inorganic Solid Phases

Sr1.90Eu0.10B1.76Si2.36Al1.88N8.12; Sr2−yEuyB2−2xSi2+3xAl2−xN8+x (x ≈ 0.12, y ≈ 0.10) (Sr0.95Eu0.05Al0.94Si1.18B0.88N4.06) Crystal Structure

General Information

  • Phase Label(s): Sr0.95Eu0.05Al0.94Si1.18B0.88N4.06
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP22
  • Space Group: 190
  • Phase Prototype: (Sr0.95Eu0.05)Al0.94Si1.18B0.88N4.06
  • Measurement Detail(s): automatic diffractometer; 2142 (determination of cell parameters), automatic diffractometer; Bruker AXS APEX II (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 299 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): boronitride
  • Interpretation Detail(s): complete structure determined; absolute structure determined, full-matrix least-squares refinement on F2; 24 variables; 469 reflections; F2 > 2σ(F2), R = 0.0177; wR = 0.0371
  • Sample Detail(s): sample prepared from Sr3N2, EuN, α-Si3N4, AlN, h-BN, energy-dispersive X-ray analysis; Sr/Eu/Si/Al ratio 1.00(3)/0.067(3)/1.14(4)/1.09(3); amounts of Sr2Si5N8:Eu2+, AlN and BN, single crystal (determination of cell parameters), single crystal, 0.01×0.02×0.02 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Sr0.95Eu0.05Al0.94Si1.18B0.88N4.06
  • Alphabetic Formula: Al0.94B0.88Eu0.05N4.06Si1.18Sr0.95
  • Published Formula: Sr1.90Eu0.10B1.76Si2.36Al1.88N8.12; Sr2−yEuyB2−2xSi2+3xAl2−xN8+x (x ≈ 0.12, y ≈ 0.10)
  • Refined Formula: Al0.94B0.88Eu0.05N4.06Si1.18Sr0.95
  • Wyckoff Sequence: 190,gfedcba
  • Z Formula Units: 2
  • Density: ρ = 3.67 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]

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_1141752

  • 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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