Inorganic Solid Phases

KNa2B3Si12O30 (KNa2Si12B3O30) Crystal Structure

General Information

  • Phase Label(s): KNa2Si12B3O30
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): poudretteite
  • Pearson Symbol: hP96
  • Space Group: 192
  • Phase Prototype: KCa2(Be0.67Al0.33)3Si12O30
  • Measurement Detail(s): Debye-Scherrer film (determination of cell parameters), automatic diffractometer; Nicolet R3m (determination of structural parameters), X-rays, Cu Kα (determination of cell parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): borate, silicate
  • Interpretation Detail(s): complete structure determined, 638 reflections; F > 2.5σ(F), R = 0.030; wR = 0.043
  • Sample Detail(s): poudretteite sample from Canada, Quebec, Rouville County, Mt. Saint-Hilaire, electron microprobe analysis; 77.7 wt.% SiO2, 11.4 wt.% B2O3, 5.2 wt.% K2O, 6.2 wt.% Na2O, powder (determination of cell parameters), single crystal, 0.30×0.30×0.45 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: KNa2Si12B3O30
  • Alphabetic Formula: B3KNa2O30Si12
  • Published Formula: KNa2B3Si12O30
  • Refined Formula: B3KNa2O30Si12
  • Wyckoff Sequence: 192,m3lfca
  • Z Formula Units: 2
  • Density: ρ = 2.54 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
U [nm2]
Type
Computed
Beq [nm2]

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [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_1617878

  • 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