Cl12K4Tc4
This compound is a cluster-based inorganic material containing technetium, potassium, and chlorine. It is primarily studied in academic research settings to understand the structural chemistry and bonding properties of metal-halide clusters.
ClKTc
Overview
Key Properties
Cross-validated computational properties for Cl12K4Tc4, 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.
1.70 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.
0.050 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.
Metastable
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
4
3 databases, 1 space group
Crystallography
Reported Structures
Lowest-energy structures reported for Cl12K4Tc4, 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. |
|---|---|---|---|---|---|
| Cc (No. 9) | monoclinic | 1.70 | 0.0505 | -11.447 | 2.94 |
| Cc (No. 9) | — | — | — | — | — |
| — | — | — | — | — | 2.89 |
| Cc (No. 9) | — | — | — | — | — |
Uses
Applications
Where Cl12K4Tc4 is used.
Fundamental materials science researchInorganic structural chemistry studies
Reference
Frequently Asked Questions
Common questions about Cl12K4Tc4, answered from cross-validated data.
What is Cl12K4Tc4?
This compound is a cluster-based inorganic material containing technetium, potassium, and chlorine. It is primarily studied in academic research settings to understand the structural chemistry and bonding properties of metal-halide clusters.
What is Cl12K4Tc4 used for?
Cl12K4Tc4 is used in fundamental materials science research and inorganic structural chemistry studies.
What is the band gap of Cl12K4Tc4?
Cl12K4Tc4 has a DFT-computed band gap of 1.70 eV across 4 reported structures.
Is Cl12K4Tc4 a metal, semiconductor, or insulator?
With a band gap up to 1.70 eV it is a semiconductor.
Is Cl12K4Tc4 thermodynamically stable?
Cl12K4Tc4 has a lowest energy above hull of 0.050 eV/atom (metastable).
What is the crystal structure of Cl12K4Tc4?
The lowest-energy reported polymorph of Cl12K4Tc4 is monoclinic symmetry, space group Cc (No. 9).
What is the density of Cl12K4Tc4?
The computed density of the ground-state structure of Cl12K4Tc4 is 2.94 g/cm³.
How many polymorphs of Cl12K4Tc4 are known?
4 structures of Cl12K4Tc4 are reported across 3 databases, spanning 1 distinct space group.
What elements does Cl12K4Tc4 contain?
Cl12K4Tc4 contains Cl, K, and Tc (3 elements).
Where does the data for Cl12K4Tc4 come from?
Cl12K4Tc4 data is cross-referenced from materials_project, aflow, omat24.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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