Inorganic Solid Phases

K9.5H2.5[Eu(BW11O39)(W5O18)]·25H2O (H2.5K9.5EuW16BO57[H2O]25, T = 173 K) Crystal Structure

General Information

  • Phase Label(s): H2.5K9.5EuW16BO57[H2O]25
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: aP220
  • Space Group: 2
  • Phase Prototype: H2.5K9.5EuW16BO57[H2O]25
  • Measurement Detail(s): automatic diffractometer; 12511 (determination of cell parameters), automatic diffractometer; Rigaku R-AXIS RAPID (determination of structural parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of cell and structural parameters), T = 173 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): borate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement; 576 variables; 8858 reflections; I > 2σ(I), R = 0.071; wR = 0.049
  • Sample Detail(s): sample prepared from H3BO3, WO3, KOH, HCl, Eu[NO3]3[H2O]6, X-ray fluorescence spectroscopy; 63.9 wt.% W, 7.2 wt.% K, 3.3 wt.% Eu, single crystal (determination of cell parameters), single crystal, 0.1×0.1×0.1 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: H2.5K9.5EuW16BO57[H2O]25
  • Alphabetic Formula: BEuH2.5[H2O]25K9.5O57W16
  • Published Formula: K9.5H2.5[Eu(BW11O39)(W5O18)]·25H2O
  • Refined Formula: BEuH50K9.50O82W16
  • Wyckoff Sequence: 2,i110
  • Z Formula Units: 2
  • Density: ρ = 4.27 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_1920472

  • 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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