Inorganic Solid Phases

(NH4)2[CrxZn1−x(H2O)6](SO4)2, x= 0.48(1) ([NH4]2Zn0.33Cr0.67[SO4]2[H2O]6) Crystal Structure

General Information

  • Phase Label(s): [NH4]2Zn0.33Cr0.67[SO4]2[H2O]6
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: mP38
  • Space Group: 14
  • Phase Prototype: [NH4]2Mg[SO4]2[H2O]6-b
  • Measurement Detail(s): automatic diffractometer; 24 (determination of cell parameters), automatic diffractometer; Nicolet P3F (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 295 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): sulfate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined; composition dependence studied, full-matrix least-squares refinement, R = 0.022; wR = 0.063
  • Sample Detail(s): sample prepared from Cr-Tutton salt, Zn-Tutton salt, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: [NH4]2Zn0.52Cr0.48[SO4]2[H2O]6
  • Alphabetic Formula: Cr0.48[H2O]6[NH4]2[SO4]2Zn0.52
  • Published Formula: (NH4)2[CrxZn1−x(H2O)6](SO4)2, x= 0.48(1)
  • Refined Formula: Cr0.48H20N2O14S2Zn0.52
  • Wyckoff Sequence: 14,e9b
  • Z Formula Units: 2
  • Density: ρ = 1.88 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
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_1411456

  • 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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