Inorganic Solid Phases

(Ca,Na2)[Al2Si7O18]·6H2O (Na0.6Ca1.5Al3.6Si14.4O36[H2O]12) Crystal Structure

General Information

  • Phase Label(s): Na0.6Ca1.5Al3.6Si14.4O36[H2O]12
  • Structure Class(es): zeolite HEU
  • Classification by Properties:
  • Mineral Name(s): heulandite-Ca
  • Pearson Symbol: mS150
  • Space Group: 12
  • Phase Prototype: Na0.6Ca1.5(Al0.3Si0.7)12Si6O36[H2O]12
  • Measurement Detail(s): Weissenberg photographs (determination of cell and structural parameters), X-rays (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms in average structure determined, R = 0.20
  • Sample Detail(s): heulandite sample from Switzerland, Graubünden (Grisons), chemical analysis; (Ca,Sr,Na2)1.2[Al2.4Si6.6O18][H2O]6.5, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na2CaAl4Si14O36[H2O]12
  • Alphabetic Formula: Al4Ca[H2O]12Na2O36Si14
  • Published Formula: (Ca,Na2)[Al2Si7O18]·6H2O
  • Refined Formula: Al4Ca0.99H24.12Na2.01O48.06Si14
  • Wyckoff Sequence: 8,b30a15
  • Z Formula Units: 2
  • Density: ρ = 2.18 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1615447

  • 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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