Ca4Fe4H2O30Si10
This compound is a complex silicate mineral containing calcium and iron. It belongs to a group of minerals often found in geological formations and is primarily studied for its structural characteristics in mineralogy.
CaFeHOSi
Overview
Key Properties
Cross-validated computational properties for Ca4Fe4H2O30Si10, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
1.88 eV
Range across DFT structures
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
0.006 eV/atom
Best (lowest) across sources
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
Near hull (likely stable)
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
4
3 databases, 2 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for Ca4Fe4H2O30Si10, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 1.88 | 0.0061 | -7.953 | 3.25 |
| No. 0 | unknown | — | — | — | 1.63 |
| P-1 (No. 2) | — | — | — | — | — |
| P-1 (No. 2) | — | — | — | — | — |
Uses
Applications
Where Ca4Fe4H2O30Si10 is used.
Geological researchMineralogical studiesAcademic material science research
Reference
Frequently Asked Questions
Common questions about Ca4Fe4H2O30Si10, answered from cross-validated data.
What is Ca4Fe4H2O30Si10?
This compound is a complex silicate mineral containing calcium and iron. It belongs to a group of minerals often found in geological formations and is primarily studied for its structural characteristics in mineralogy.
More questions
What is Ca4Fe4H2O30Si10 used for?
Ca4Fe4H2O30Si10 is used in geological research, mineralogical studies, and academic material science research.
What is the band gap of Ca4Fe4H2O30Si10?
Ca4Fe4H2O30Si10 has a DFT-computed band gap of 1.88 eV across 4 reported structures.
Is Ca4Fe4H2O30Si10 a metal, semiconductor, or insulator?
With a band gap up to 1.88 eV it is a semiconductor.
Is Ca4Fe4H2O30Si10 thermodynamically stable?
Ca4Fe4H2O30Si10 has a lowest energy above hull of 0.006 eV/atom (near hull (likely stable)).
What is the crystal structure of Ca4Fe4H2O30Si10?
The lowest-energy reported polymorph of Ca4Fe4H2O30Si10 is triclinic symmetry, space group P-1 (No. 2).
What is the density of Ca4Fe4H2O30Si10?
The computed density of the ground-state structure of Ca4Fe4H2O30Si10 is 3.25 g/cm³.
How many polymorphs of Ca4Fe4H2O30Si10 are known?
4 structures of Ca4Fe4H2O30Si10 are reported across 3 databases, spanning 2 distinct space groups.
What elements does Ca4Fe4H2O30Si10 contain?
Ca4Fe4H2O30Si10 contains Ca, Fe, H, O, and Si (5 elements).
Where does the data for Ca4Fe4H2O30Si10 come from?
Ca4Fe4H2O30Si10 data is cross-referenced from materials_project, cod, aflow.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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