Inorganic Solid Phases

(NH4)2Zn(H2P2O7)2·2H2O (H4[NH4]2Zn[P2O7]2[H2O]2) Crystal Structure

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General Information

  • Phase Label(s): H4[NH4]2Zn[P2O7]2[H2O]2
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: aP23
  • Space Group: 2
  • Phase Prototype: H4K2Zn[P2O7]2[H2O]2
  • Measurement Detail(s): automatic diffractometer; 4783 (determination of cell parameters), automatic diffractometer; Nonius KAPPA (determination of structural parameters), X-rays, Mo Kα; λ = 0.071070 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): diphosphate, hydrate
  • Interpretation Detail(s): complete structure determined, block-diagonal least-squares refinement on F2; 135 variables; 2055 reflections; I > 2σ(I), R = 0.0447; wR = 0.1336
  • Sample Detail(s): sample prepared from Na4P2O7[H2O]10, NH4Cl, ZnCl2[H2O]4, HCl, single crystal (determination of cell parameters), single crystal, 0.19×0.31×0.40 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: H4[NH4]2Zn[P2O7]2[H2O]2
  • Alphabetic Formula: H4[H2O]2[NH4]2[P2O7]2Zn
  • Published Formula: (NH4)2Zn(H2P2O7)2·2H2O
  • Refined Formula: H16N2O16P4Zn
  • Wyckoff Sequence: 2,i11a
  • Z Formula Units: 1
  • Density: ρ = 2.18 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

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_1520784

  • 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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