Inorganic Solid Phases

K10Na10Y24(OH)4(CO3)16(Si56O140)·16H2O (K10Na10Y24Si56[CO3]16O140[OH]4[H2O]16) Crystal Structure

General Information

  • Phase Label(s): K10Na10Y24Si56[CO3]16O140[OH]4[H2O]16
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): ashcroftine-(Y)
  • Pearson Symbol: tI730
  • Space Group: 139
  • Phase Prototype: K10Na10Y24Si56[CO3]16O140[OH]4[H2O]16
  • Measurement Detail(s): automatic diffractometer; 25 (determination of cell parameters), automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): carbonate, hydroxide, silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement; 1774 reflections; F > 5σ(F), R = 0.058
  • Sample Detail(s): ashcroftine sample from Greenland, Qaqortoq (Julianehab), Narsarsuaq, chemical analysis; 3.62 wt.% Na2O, 5.65 wt.% K2O, 0.87 wt.% MgO, 0.79 wt.% MnO, 5.72 wt.% CaO, 26.61 wt.% Y2O3, 7.2 wt.% CO2, 38.09 wt.% SiO2, single crystal (determination of cell parameters), single crystal, 0.050×0.100×0.350 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K10Na10Y24Si56[CO3]16O140[OH]4[H2O]16
  • Alphabetic Formula: [CO3]16[H2O]16K10Na10O140[OH]4Si56Y24
  • Published Formula: K10Na10Y24(OH)4(CO3)16(Si56O140)·16H2O
  • Refined Formula: C16H37.28K10.40Na8.26O202.96Si54.16Y24
  • Wyckoff Sequence: 139,o12n6m7l5ji2h3dca
  • Z Formula Units: 2
  • Density: ρ = 2.60 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

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_1616297

  • 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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