Na5−6Ca2−1.5Al9Si11O40·12H2O or Na5.6Ca1.6Al9Si11O40·12H2O (Na2.725Ca0.95Al4.625Si5.375O20[H2O]5.5) Crystal Structure
General Information
- Phase Label(s): Na2.725Ca0.95Al4.625Si5.375O20[H2O]5.5
- Structure Class(es): zeolite NAT
- Classification by Properties: –
- Mineral Name(s): gonnardite
- Pearson Symbol: tI84
- Space Group: 122
- Phase Prototype: Na2.725Ca0.95(Al0.46Si0.54)10O20[H2O]5.5
- Measurement Detail(s): automatic diffractometer; Philips PW1050 (determination of structural 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, Rietveld refinement, RP = 0.128; wRP = 0.172
- Sample Detail(s): gonnardite sample from Italy, Sicily, Aci Castello, powder (determination of structural parameters)
Substance Summary
- Standard Formula: Na2.9Ca0.8Al4.5Si5.5O20[H2O]6
- Alphabetic Formula: Al4.5Ca0.8[H2O]6Na2.9O20Si5.5
- Published Formula: Na5−6Ca2−1.5Al9Si11O40·12H2O or Na5.6Ca1.6Al9Si11O40·12H2O
- Refined Formula: Al4.50Ca0.80H9.87Na2.92O24.94Si5.50
- Wyckoff Sequence: 122,e5d3a
- Z Formula Units: 2
- Density: ρ = 2.34 Mg·m−3
Crystallographic Data
Cell Parameters
Atom Coordinates
Standardized
Published
Displacement Parameters
Isotropic
Experimental Details
Reference
3D Interactive Structure
About this content
PAULING FILE Multinaries Edition – 2012
sd_1715714
©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016
Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland
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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