Inorganic Solid Phases

Ca15Si20O10N30:Eu2+; Ca15(1−x)Si20O10N30:xEu2+, x= 0.01-0.09 (Ca3.74Eu0.01Si5N7.5O2.5) Crystal Structure

General Information

  • Phase Label(s): Ca3.74Eu0.01Si5N7.5O2.5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cP304
  • Space Group: 205
  • Phase Prototype: Ca3.75Si5N7(N0.17O0.83)6
  • Measurement Detail(s): automatic diffractometer; Rigaku Ultima IV (determination of structural parameters), X-rays, Cu Kα; λ = 0.15406 nm (determination of structural parameters), T = 298(2) K (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): nitride, oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 45 variables, RP = 0.116; wRP = 0.121
  • Sample Detail(s): sample prepared from CaO, α-Si3N4, Eu2O3, amounts of Ca2Si5N8 (9.3 wt.%), powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Ca3.74Eu0.01Si5N7.5O2.5
  • Alphabetic Formula: Ca3.74Eu0.01N7.5O2.5Si5
  • Published Formula: Ca15Si20O10N30:Eu2+; Ca15(1−x)Si20O10N30:xEu2+, x= 0.01-0.09
  • Refined Formula: Ca3.75N7.50O2.50Si5
  • Wyckoff Sequence: 205,d11c4ba
  • Z Formula Units: 16
  • Density: ρ = 3.12 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
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1022144

  • 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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