Inorganic Solid Phases

Na8.25Y1.25Si6O18 (Na16.5Y2.5Si12O36) Crystal Structure

General Information

  • Phase Label(s): Na16.5Y2.5Si12O36
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cP364
  • Space Group: 205
  • Phase Prototype: Na16(Na0.5Y0.5)Y2Si12O36
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; STOE STADI MP (determination of structural parameters), X-rays, Cu Kα1 (determination of cell and structural parameters), T = 297.2(5) K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 99 variables, wRP = 0.036; RB = 0.059
  • Sample Detail(s): sample prepared from Na2CO3, Y2O3, SiO4, energy-dispersive X-ray analysis; 26.13(21) wt.% Na, 22.58(11) wt.% Si, 15.21(24) wt.% Y, 38.92(40) wt.% O, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na16.5Y2.5Si12O36
  • Alphabetic Formula: Na16.5O36Si12Y2.5
  • Published Formula: Na8.25Y1.25Si6O18
  • Refined Formula: Na16.24O36Si12Y2.59
  • Wyckoff Sequence: 205,d14c3a
  • Z Formula Units: 4
  • Density: ρ = 2.91 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_1926453

  • 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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