Inorganic Solid Phases

Ca(OH)2 (Ca[OH]2) Crystal Structure

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General Information

  • Phase Label(s): Ca[OH]2
  • Structure Class(es): –
  • Classification by Properties: diamagnetic
  • Mineral Name(s): portlandite
  • Pearson Symbol: hP3
  • Space Group: 164
  • Phase Prototype: Mn[OH]2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Scintag PAD-X1 (determination of structural parameters), X-rays, Cu Kα; λ = 0.15406 nm (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): hydroxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, RP = 0.0798; wRP = 0.1108
  • Sample Detail(s): sample prepared from La2O3, CaCO3, MnO2, electron microprobe analysis; amounts of Ca0.4La0.6MnO3 (70 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ca[OH]2
  • Alphabetic Formula: Ca[OH]2
  • Published Formula: Ca(OH)2
  • Refined Formula: CaH2O2
  • Wyckoff Sequence: 164,da
  • Z Formula Units: 1
  • Density: ρ = 2.26 Mg·m−3
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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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1411770

  • 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)

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