Inorganic Solid Phases

(Na0.25K0.75)4B8O14 (K1.5Na0.5B4O7, T = 573 K) Crystal Structure

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General Information

  • Phase Label(s): K1.5Na0.5B4O7
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: aP52
  • Space Group: 2
  • Phase Prototype: K2B4O7
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Germany, Hamburg, Deutsches Elektronen-Synchrotron DESY, HASYLAB, DORIS III reactor, B2 (determination of structural parameters), X-rays, synchrotron; λ = 0.064072 nm (determination of cell and structural parameters), T = 573 K (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): borate
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement, RP = 0.087; wRP = 0.121; RB = 0.097
  • Sample Detail(s): sample prepared from H3BO3, Na2CO3, K2CO3, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K1.5Na0.5B4O7
  • Alphabetic Formula: B4K1.5Na0.5O7
  • Published Formula: (Na0.25K0.75)4B8O14
  • Refined Formula: B4K1.50Na0.50O7
  • Wyckoff Sequence: 2,i26
  • Z Formula Units: 4
  • Density: ρ = 2.43 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
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_1626621

  • 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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