Inorganic Solid Phases

Nd33.3Sm3.71Eu3.33Gd3.6Ge2B6O34 (Nd1.75Sm1.75Eu1.75Gd1.75[GeO4][BO3]3O4) Crystal Structure

General Information

  • Phase Label(s): Nd1.75Sm1.75Eu1.75Gd1.75[GeO4][BO3]3O4
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP177
  • Space Group: 144
  • Phase Prototype: Sm7[GeO4][BO3]3O4
  • Measurement Detail(s): automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthoborate, orthogermanate, oxide
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 3032 reflections; I > 4σ(I), R = 0.069; wR = 0.223
  • Sample Detail(s): sample prepared from GeO2 (α-quartz), B2O3, Nd2O3, Sm2O3, Eu2O3, Gd2O3, electron microprobe analysis; Nd33.3Sm3.71Eu3.33Gd3.6Ge2B6O34, single crystal (determination of structural parameters)

Substance Summary

  • Standard Formula: Nd1.66Sm1.86Eu1.67Gd1.81[GeO4][BO3]3O4
  • Alphabetic Formula: [BO3]3Eu1.67Gd1.81[GeO4]Nd1.66O4Sm1.86
  • Published Formula: Nd33.3Sm3.71Eu3.33Gd3.6Ge2B6O34
  • Refined Formula: B3Eu1.66Gd1.81GeNd1.66O17Sm1.86
  • Wyckoff Sequence: 144,a59
  • Z Formula Units: 6
  • Density: ρ = 6.64 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_1021397

  • 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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