Inorganic Solid Phases

Ca0.7Mg2.4Na1.3K2.1Al13.1Si23.6O72·nH2O (K2Na2CaMg3Al13Si23O72[H2O]27) Crystal Structure

General Information

  • Phase Label(s): K2Na2CaMg3Al13Si23O72[H2O]27
  • Structure Class(es): zeolite ERI
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP114
  • Space Group: 194
  • Phase Prototype: K2Na2CaMg3(Al0.36Si0.64)36O72[H2O]27
  • Measurement Detail(s): film (determination of cell parameters), Weissenberg photographs (determination of structural parameters), X-rays (determination of cell parameters), X-rays, Cu Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement, R = 0.17
  • Sample Detail(s): erionite sample from Japan, Niigata Prefecture, Maze, chemical analysis; 49.35 wt.% SiO2, 0.42 wt.% FeO, 23.48 wt.% Al2O3, 1.40 wt.% CaO, 3.50 wt.% MgO, 1.42 wt.% Na2O, 3.37 wt.% K2O, powder (determination of cell parameters), single crystal (determination of structural parameters)

Substance Summary

  • Standard Formula: K2Na2CaMg3Al13Si23O72[H2O]27
  • Alphabetic Formula: Al13Ca[H2O]27K2Mg3Na2O72Si23
  • Published Formula: Ca0.7Mg2.4Na1.3K2.1Al13.1Si23.6O72·nH2O
  • Refined Formula: Al13Ca2H8O76Si23
  • Wyckoff Sequence: 194,l2k2jih2fb
  • Z Formula Units: 1
  • Density: ρ = 2.12 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_1903852

  • 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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