Inorganic Solid Phases

3NaF·2ThF4 - 5NaF·3UF4 ss, 23.1 mol% UF4 (Na0.615Th0.154U0.231F2.155 ht) Crystal Structure

General Information

  • Phase Label(s): Na0.615Th0.154U0.231F2.155 ht
  • Structure Class(es): b.c.c. atom arrangement, fluorite family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cF16
  • Space Group: 225
  • Phase Prototype: BiF3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), X-rays, Cu K (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): fluoride
  • Interpretation Detail(s): cell parameters determined and type with fixed coordinates assigned; composition dependence studied
  • Sample Detail(s): sample prepared from NaF, ThF4, UF4, spectroscopy; < 0.25 wt.% impurities detected, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: Na0.615Th0.154U0.231F2.155
  • Alphabetic Formula: F2.155Na0.615Th0.154U0.231
  • Published Formula: 3NaF·2ThF4 - 5NaF·3UF4 ss, 23.1 mol% UF4
  • Refined Formula: F2.15Na0.62Th0.15U0.23
  • Wyckoff Sequence: 225,cba
  • Z Formula Units: 4
  • Density: ρ = 5.49 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1607611

  • 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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