Na(NaCa)Mg5Ge8O22(OH)2 (Na2CaMg5Ge8O22[OH]2) Crystal Structure
General Information
- Phase Label(s): Na2CaMg5Ge8O22[OH]2
- Structure Class(es): –
- Classification by Properties: –
- Mineral Name(s): –
- Pearson Symbol: mS80
- Space Group: 12
- Phase Prototype: NaCa2Mg2(Mg0.67Sc0.33)3(Al0.25Si0.75)8O22[OH]2
- Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku RINT-2100 V (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): hydroxide, oxide
- Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement, RP = 0.0657; wRP = 0.0888
- Sample Detail(s): sample prepared from MgO, GeO2 (α-quartz), Na2CO3, CaCO3, electron microprobe analysis; Si0.00(1)Ge7.92(4)Mg5.22(8)Ca1.04(3)Na1.82(7)O23; minor amounts of wollastonite, powder (determination of cell and structural parameters)
Substance Summary
- Standard Formula: Na2CaMg5Ge8O22[OH]2
- Alphabetic Formula: CaGe8Mg5Na2O22[OH]2
- Published Formula: Na(NaCa)Mg5Ge8O22(OH)2
- Refined Formula: Ca0.84Ge8H2Mg5Na2.08O24
- Wyckoff Sequence: 12,j7i2h2gba
- Z Formula Units: 2
- Density: ρ = 3.98 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_1601217
©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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