Inorganic Solid Phases

Na2ZnTiNb2(Si2O7)2O2(OH)2(H2O)4 (Na2ZnTiNb2[Si2O7]2O2[OH]2[H2O]4) Crystal Structure

General Information

  • Phase Label(s): Na2ZnTiNb2[Si2O7]2O2[OH]2[H2O]4
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): zvyaginite
  • Pearson Symbol: aP76
  • Space Group: 2
  • Phase Prototype: Na2ZnTiNb2[Si2O7]2O2[OH]2[H2O]4
  • Measurement Detail(s): automatic diffractometer; 6840 (determination of cell parameters), automatic diffractometer; Bruker AXS APEX II ULTRA (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, disilicate, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement on F2; 340 variables; 3586 reflections; I > 2σ(I), R = 0.0923; wR = 0.2207
  • Sample Detail(s): zvyaginite sample from Russia, Kola Peninsula, Lovozero massif, Mt. Malyi Punkaruaiv, electron microprobe analysis; (Na0.75Ca0.09K0.041.12)(Na1.12Zn0.88Mn0.17Fe2+0.040.79)(Nb1.68Ti1.25Al0.07)(Si4.03O14)O2([OH]1.11F0.89)[H2O]4, single crystal (determination of cell parameters), single crystal, 0.004×0.060×0.120 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na2ZnTiNb2[Si2O7]2O2[OH]2[H2O]4
  • Alphabetic Formula: [H2O]4Na2Nb2O2[OH]2[Si2O7]2TiZn
  • Published Formula: Na2ZnTiNb2(Si2O7)2O2(OH)2(H2O)4
  • Refined Formula: F0.89H9.11Na2.48Nb1.92O21.11Si4Ti0.98Zn0.82
  • Wyckoff Sequence: 2,i37ea
  • Z Formula Units: 2
  • Density: ρ = 3.05 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]

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1244878

  • 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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