Inorganic Solid Phases

CaMg[B3O4(OH)3]2·3H2O (CaMgB6O8[OH]6[H2O]3) Crystal Structure

General Information

  • Phase Label(s): CaMgB6O8[OH]6[H2O]3
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): hydroboracite
  • Pearson Symbol: mP50
  • Space Group: 13
  • Phase Prototype: CaMgB6O8[OH]6[H2O]3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Philips PW1100 (determination of structural parameters), X-rays, Co Kα (determination of cell parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, borate, hydrate
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 1428 reflections; I > 5σ(I), R = 0.042
  • Sample Detail(s): hydroboracite sample from Turkey, Balikesir, Bigadic mine, powder (determination of cell parameters), single crystal, 0.05×0.09×0.35 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: CaMgB6O8[OH]6[H2O]3
  • Alphabetic Formula: B6Ca[H2O]3MgO8[OH]6
  • Published Formula: CaMg[B3O4(OH)3]2·3H2O
  • Refined Formula: B6CaH12MgO17
  • Wyckoff Sequence: 13,g11fea
  • Z Formula Units: 2
  • Density: ρ = 2.17 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]

Powder Pattern

published defraction line
d [Å]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1012970

  • 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