Inorganic Solid Phases

(K,NH4)9H7(SO4)8·H2O (H7K8.65[NH4]0.35[SO4]8[H2O]) Crystal Structure

Get Access CIF Download help (pdf)

General Information

  • Phase Label(s): H7K8.65[NH4]0.35[SO4]8[H2O]
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: mP200
  • Space Group: 14
  • Phase Prototype: H7K9[SO4]8[H2O]
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Oxford Diffraction Xcalibur S (determination of structural parameters), X-rays, Mo Kα; λ = 0.07106 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 and part of H atoms determined, full-matrix least-squares refinement on F; 492 variables; 73855 reflections; I > 3σ(I), R = 0.0319; wR = 0.0369
  • Sample Detail(s): sample prepared from K2SO4, KHSO4, [NH4]2SO4, NH4HSO4, single crystal (determination of cell parameters), single crystal, 0.18×0.18×0.20 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: H7K8.65[NH4]0.35[SO4]8[H2O]
  • Alphabetic Formula: H7[H2O]K8.65[NH4]0.35[SO4]8
  • Published Formula: (K,NH4)9H7(SO4)8·H2O
  • Refined Formula: H10.40K8.65N0.35O33S8
  • Wyckoff Sequence: 14,e50
  • Z Formula Units: 4
  • Density: ρ = 2.30 Mg·m−3
View 3D Interactive Structure

Cite this page

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_1942221

  • 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

    Download this citation

    Citation copied