Inorganic Solid Phases

Na2SiF6 Crystal Structure

General Information

  • Phase Label(s): Na2SiF6 rt
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): malladrite
  • Pearson Symbol: hP27
  • Space Group: 150
  • Phase Prototype: Na2SiF6
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; General Electric XRD-5 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): fluoride
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 44 variables, R = 0.085
  • Sample Detail(s): malladrite sample from synthetic, sample prepared from [NH4]2SiF6, NaOH, twinned crystal (determination of cell parameters), twinned crystal, 0.8×0.8×0.8 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na2SiF6
  • Alphabetic Formula: F6Na2Si
  • Published Formula: Na2SiF6
  • Refined Formula: F6Na2Si
  • Wyckoff Sequence: 150,g3feda
  • Z Formula Units: 3
  • Density: ρ = 2.74 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

Anisotropic

Site
B11 [nm2]
B22 [nm2]
B33 [nm2]
2B12 [nm2]
2B13 [nm2]
2B23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1700028

  • 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