Inorganic Solid Phases

A_10+x[Ge₉]₂[W_1−xNb_xO₄]; K_10.35(1)Ge₁₈W_0.65(1)Nb_0.35(1)O₄ (K_10.35Nb_0.35Ge₁₈[WO₄]_0.65O_1.4) Crystal Structure

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General Information

Phase Label(s): K_10.35Nb_0.35Ge₁₈[WO₄]_0.65O_1.4
Structure Class(es): –
Classification by Properties: –
Mineral Name(s): –
Pearson Symbol: mP160
Space Group: 14
Phase Prototype: K_10.35[(Nb_0.35W_0.65)O₄]Ge₁₈
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Oxford Diffraction Xcalibur 3 (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): tungstate, oxide
Interpretation Detail(s): complete structure determined; composition dependence studied, full-matrix least-squares refinement; 288 variables; 3251 reflections; I > 2σ(I), R = 0.0743; wR = 0.1819
Sample Detail(s): sample prepared from K, Ge, WO₃, HgO, twinned crystal (determination of cell parameters), twinned crystal, 0.1×0.15×0.25 mm³ (determination of structural parameters)

Substance Summary

Standard Formula: K_10.35Nb_0.35Ge₁₈[WO₄]_0.65O_1.4
Alphabetic Formula: Ge₁₈K_10.35Nb_0.35O_1.4[WO₄]_0.65
Published Formula: A_10+x[Ge₉]₂[W_1−xNb_xO₄]; K_10.35(1)Ge₁₈W_0.65(1)Nb_0.35(1)O₄
Refined Formula: Ge₁₈K_10.36Nb_0.36O₄W_0.64
Wyckoff Sequence: 14,e⁴⁰
Z Formula Units: 4
Density: ρ = 3.33 Mg·m⁻³

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Citation

Crystallographic Data

Cell Parameters

	Published Data	Standardized Data
	Published Data	Unit Cell	Niggli-Reduced Cell
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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.
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Published

Site	Element	Wyckoff Symbol	Symmetry	X	Y	Z	Occupation
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Displacement Parameters

Isotropic

Site	Published U [nm²]	Type	Computed B_eq [nm²]
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Anisotropic

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

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Reference

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3D Interactive Structure

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About this content

Database name

PAULING FILE Multinaries Edition – 2012

Dataset ID

sd_1634236

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.

Project Coordinator: Shuichi Iwata

Section-Editor: Karin Cenzual (Crystal Structures)

Cite this content

Pierre Villars (Chief Editor), PAULING FILE in: Inorganic Solid Phases, SpringerMaterials (online database), Springer, Heidelberg (ed.) SpringerMaterials A10+x[Ge9]2[W1−xNbxO4]; K10.35(1)Ge18W0.65(1)Nb0.35(1)O4 (K10.35Nb0.35Ge18[WO4]0.65O1.4) Crystal Structure sd_1634236 (Springer-Verlag GmbH, Heidelberg, © 2016)

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Citation copied

A10+x[Ge9]2[W1−xNbxO4]; K10.35(1)Ge18W0.65(1)Nb0.35(1)O4 (K10.35Nb0.35Ge18[WO4]0.65O1.4) Crystal Structure

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General Information

Substance Summary

Cite this page

Crystallographic Data

Cell Parameters

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Atom Coordinates

Standardized

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Published

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Displacement Parameters

Isotropic

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Anisotropic

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Experimental Details

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Reference

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3D Interactive Structure

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About this content

Cite this content

Download this citation

A_10+x[Ge₉]₂[W_1−xNb_xO₄]; K_10.35(1)Ge₁₈W_0.65(1)Nb_0.35(1)O₄ (K_10.35Nb_0.35Ge₁₈[WO₄]_0.65O_1.4) Crystal Structure