Inorganic Solid Phases

NH4Cl·As2O3·1/2H2O ([NH4]2As4Cl2O6[H2O]) Crystal Structure

General Information

  • Phase Label(s): [NH4]2As4Cl2O6[H2O]
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP15
  • Space Group: 191
  • Phase Prototype: [NH4]2As4Cl2O6[H2O]
  • Measurement Detail(s): film (determination of cell parameters), Weissenberg photographs (determination of structural parameters), X-rays, Cr Kα; λ = 0.22909 nm (determination of cell parameters), X-rays, Cu Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): chloride, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement, R = 0.11
  • Sample Detail(s): sample prepared from NH4[OH], As2O3, H2O, HCl, chemical analysis; 6.93 wt.% [NH4]+, 13.62 wt.% Cl, 57.55 wt.% As2O3, 3.46 wt.% H2O, powder (determination of cell parameters), single crystal (determination of structural parameters)

Substance Summary

  • Standard Formula: [NH4]2As4Cl2O6[H2O]
  • Alphabetic Formula: As4Cl2[H2O][NH4]2O6
  • Published Formula: NH4Cl·As2O3·1/2H2O
  • Refined Formula: As4Cl2H10N2O7
  • Wyckoff Sequence: 191,iheda
  • Z Formula Units: 1
  • Density: ρ = 2.88 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

Powder Pattern

published defraction line
sin2(θ) [10−4]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1410931

  • 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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