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Inorganic Solid Phases

Ca3Mn2Ge3O12 (Ca3Mn2[GeO4]3 tet) Crystal Structure

General Information

  • Phase Label(s): Ca3Mn2[GeO4]3 tet
  • Structure Class(es): garnet family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tI160
  • Space Group: 88
  • Phase Prototype: Ca3Mn2[GeO4]3
  • Measurement Detail(s): automatic diffractometer; 36 (determination of cell parameters), automatic diffractometer; Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα (determination of cell parameters), X-rays, Mo Kα; λ = 0.07103 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthogermanate
  • Interpretation Detail(s): complete structure determined; twinning mechanism studied, least-squares refinement; 941 reflections; F > 4σ(F), R = 0.031; wR = 0.034
  • Sample Detail(s): garnet group sample from synthetic, sample prepared from PbO, CaCO3, Mn2O3, GeO2 (α-quartz), electron microprobe analysis; (Ca2.963Pb0.004)Mn2.049Ge2.981O12.003, single crystal (determination of cell parameters), single crystal, 0.032×0.060×0.140 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Ca3Mn2Ge3O12
  • Alphabetic Formula: Ca3Ge3Mn2O12
  • Published Formula: Ca3Mn2Ge3O12
  • Refined Formula: Ca3Ge3Mn2O12
  • Wyckoff Sequence: 88,f8edcba
  • Z Formula Units: 8
  • Density: ρ = 4.55 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]

Anisotropic

Site
β11 [nm2]
β22 [nm2]
β33 [nm2]
β12 [nm2]
β13 [nm2]
β23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1617853

  • 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

    Citation copied