Inorganic Solid Phases

(Pb4.8Na1.2)[Si8(Si1.2B0.8)O25] (Na1.2Pb4.8Si9.2B0.8O25) Crystal Structure

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General Information

  • Phase Label(s): Na1.2Pb4.8Si9.2B0.8O25
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: hR246
  • Space Group: 167
  • Phase Prototype: (Na0.2Pb0.8)6Si8(Si0.6B0.4)2O25
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS APEX II (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): borate, silicate
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 63 variables; 823 reflections; I > 1.96σ(I), R = 0.0349; wR = 0.0743
  • Sample Detail(s): sample prepared from PbO, SiO2, B2O3, H2O, NaCl, Na2CO3, single crystal (determination of cell parameters), single crystal, 0.075×0.1×0.1 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na1.2Pb4.8Si9.2B0.8O25
  • Alphabetic Formula: B0.8Na1.2O25Pb4.8Si9.2
  • Published Formula: (Pb4.8Na1.2)[Si8(Si1.2B0.8)O25]
  • Refined Formula: B0.80Na1.20O25Pb4.80Si9.20
  • Wyckoff Sequence: 167,f5ec4
  • Z Formula Units: 6
  • Density: ρ = 4.98 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
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1633002

  • 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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