Inorganic Solid Phases

Rb1−x[NH4]xI, x= 0.40, α-phase (Rb0.5[NH4]0.5I rt) Crystal Structure

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General Information

  • Phase Label(s): Rb0.5[NH4]0.5I rt
  • Structure Class(es): rocksalt family
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: cF8
  • Space Group: 225
  • Phase Prototype: NaCl
  • Measurement Detail(s): automatic diffractometer; Russia, Dubna, Joint Institute for Nuclear Research, Frank Laboratory of Neutron Physics, IBR-2 reactor, DN-12 (determination of structural parameters), neutrons, time-of-flight (determination of structural parameters), T = 280 K (determination of structural parameters)
  • Phase Class(es): –
  • Compound Class(es): iodide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement
  • Sample Detail(s): powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Rb0.6[NH4]0.4I
  • Alphabetic Formula: I[NH4]0.4Rb0.6
  • Published Formula: Rb1−x[NH4]xI, x= 0.40, α-phase
  • Refined Formula: H1.60IN0.40Rb0.60
  • Wyckoff Sequence: 225,ba
  • Z Formula Units: 4
  • Density: ρ = 3.18 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1023704

  • 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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