Inorganic Solid Phases

(Na,Sr,K)₁₈Ca₆Zr₃Fe[Si₂₅O₇₂](OH)₂Cl·H₂O; [Na_14.3Sr_0.6K_0.1][Ca_3.9Mn_1.1Na_0.7Ce_0.3][Zr_3.0][Na_2.2Fe_0.75][Nb_0.2Ti_0.2][Si_1.1][Si₃O₉]₂[Si₉(O,OH)₂₇]₂Cl_1.2(OH)_2.3·0.8H₂O (K_0.1Na_15.9Sr₂Ca₆Zr₃FeSi₂₅ClO₇₂[OH]₂[H₂O]) Crystal Structure

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General Information

Phase Label(s): K_0.1Na_15.9Sr₂Ca₆Zr₃FeSi₂₅ClO₇₂[OH]₂[H₂O]
Structure Class(es): eudialyte family
Classification by Properties: –
Mineral Name(s): eudialyte
Pearson Symbol: hR486
Space Group: 166
Phase Prototype: K_0.1Na_15.9Sr₂Ca₆Zr₃FeSi₂₅ClO₇₂[OH]₂[H₂O]
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Syntex P2₁ (determination of structural parameters), X-rays, Cu Kα; λ = 0.154 nm (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): hydroxide, silicate, chloride, hydrate
Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; F > 3σ(F), R = 0.045
Sample Detail(s): eudialyte sample from Russia, Kola Peninsula, Lovozero massif, electron microprobe analysis; Na_17.41K_0.13Ca_3.92Sr_0.57Ba_0.04Fe_0.74Mn_1.15REE_0.28Si_25.18Ti_0.22Zr_3.15Nb_0.20Cl_1.51, single crystal (determination of cell parameters), single crystal, 0.20×0.25×0.3 mm³ (determination of structural parameters)

Substance Summary

Standard Formula: K_0.1Na_15.9Sr₂Ca₆Zr₃FeSi₂₅ClO₇₂[OH]₂[H₂O]
Alphabetic Formula: Ca₆ClFe[H₂O]K_0.1Na_15.9O₇₂[OH]₂Si₂₅Sr₂Zr₃
Published Formula: (Na,Sr,K)₁₈Ca₆Zr₃Fe[Si₂₅O₇₂](OH)₂Cl·H₂O; [Na_14.3Sr_0.6K_0.1][Ca_3.9Mn_1.1Na_0.7Ce_0.3][Zr_3.0][Na_2.2Fe_0.75][Nb_0.2Ti_0.2][Si_1.1][Si₃O₉]₂[Si₉(O,OH)₂₇]₂Cl_1.2(OH)_2.3·0.8H₂O
Refined Formula: Ca_3.90Ce_0.30Cl_1.17Fe_0.75H_4.66K_0.10Mn_1.14Na_17.18O_75.11Si_25.32Sr_0.60Ti_0.20Zr₃
Wyckoff Sequence: 166,i⁴h¹⁵gedc⁶
Z Formula Units: 3
Density: ρ = 2.86 Mg·m⁻³

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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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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_1629288

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 (Na,Sr,K)18Ca6Zr3Fe[Si25O72](OH)2Cl·H2O; [Na14.3Sr0.6K0.1][Ca3.9Mn1.1Na0.7Ce0.3][Zr3.0][Na2.2Fe0.75][Nb0.2Ti0.2][Si1.1][Si3O9]2[Si9(O,OH)27]2Cl1.2(OH)2.3·0.8H2O (K0.1Na15.9Sr2Ca6Zr3FeSi25ClO72[OH]2[H2O]) Crystal Structure sd_1629288 (Springer-Verlag GmbH, Heidelberg, © 2016)

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