Inorganic Solid Phases

Al2(SO4)3·13.8H2O (Al2[SO4]3[H2O]14) Crystal Structure

General Information

  • Phase Label(s): Al2[SO4]3[H2O]14
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): meta-alunogen
  • Pearson Symbol: aP62
  • Space Group: 2
  • Phase Prototype: Al2[SO4]3[H2O]13.8
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; STOE STADI MP (determination of structural parameters), X-rays, Cu Kα1 (determination of cell and structural parameters), T = 294.7 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): sulfate, hydrate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 146 variables, wRP = 0.1359; RB = 0.0245
  • Sample Detail(s): meta-alunogen sample from synthetic, sample prepared from alunogen, coulometric titration; water content analyzed: Al2[SO4]3[H2O]16.3 at 43 % RH, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Al2[SO4]3[H2O]13.8
  • Alphabetic Formula: Al2[H2O]13.8[SO4]3
  • Published Formula: Al2(SO4)3·13.8H2O
  • Refined Formula: Al2H27.60O25.80S3
  • Wyckoff Sequence: 2,i31
  • Z Formula Units: 2
  • Density: ρ = 1.85 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_1243698

  • 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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