Inorganic Solid Phases

(Mg1.701Fe2+0.245Ti0.004Al0.998Cr3+0.052)Mg3(Si2.939Al1.015Fe3+0.046)O10(OH7.913F0.087) (Mg4.75Fe0.30Al2.02Si2.94O10[OH]7.91F0.09) Crystal Structure

General Information

  • Phase Label(s): Mg4.75Fe0.30Al2.02Si2.94O10[OH]7.91F0.09
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): clinochlore 1A
  • Pearson Symbol: aP28
  • Space Group: 2
  • Phase Prototype: Mg4.95Cr0.23Fe0.08Ni0.02Al0.72(Al0.24Si0.76)4O10[OH]8
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS X8 SMART APEX (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, fluoride
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 146 variables; F > 2σ(F), R = 0.0362; wR = 0.0814
  • Sample Detail(s): clinochlore sample from Italy, Alps, Piedmont, Susa Valley, electron microprobe analysis, single crystal (determination of cell parameters), single crystal, 0.04×0.10×0.11 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg4.75Fe0.30Al2.02Si2.94O10[OH]7.91F0.09
  • Alphabetic Formula: Al2.02F0.09Fe0.30Mg4.75O10[OH]7.91Si2.94
  • Published Formula: (Mg1.701Fe2+0.245Ti0.004Al0.998Cr3+0.052)Mg3(Si2.939Al1.015Fe3+0.046)O10(OH7.913F0.087)
  • Refined Formula: Al1.80Fe0.46H8Mg4.74O18Si3
  • Wyckoff Sequence: 2,i13ge
  • Z Formula Units: 1
  • Density: ρ = 2.68 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_1629666

  • 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