Cl2CsO3SeTm

Cl2CsO3SeTm has a DFT band gap of 4.36 eV across 2 reported structures in 1 space group; its reference structure is monoclinic (P21/c (No. 14)). Cross-validated across 2 computational databases.

ClCsOSeTm
At a glance

Key Properties

Cross-validated computational properties for Cl2CsO3SeTm, aggregated across 2 databases.

Band Gap

4.36 eV
Range across DFT structures · ground state: insulator

Energy Above Hull

0.070 eV/atom
Best (lowest) across sources

Stability

Metastable
1 DFT source

Structures

2
2 databases, 1 space group
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of Cl2CsO3SeTm. Tight agreement means computed properties can be trusted without re-running calculations.

Only 1 independent DFT source (materials_project) reports a hull energy for Cl2CsO3SeTm, so cross-source agreement can't be assessed yet.

Crystallography

Reported Structures

Lowest-energy structures reported for Cl2CsO3SeTm, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P21/c (No. 14)monoclinic4.360.0704-5.7204.22
P21/c (No. 14)monoclinic———4.22
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Cl2CsO3SeTm.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Reference

Frequently Asked Questions

Common questions about Cl2CsO3SeTm, answered from cross-validated data.

What is the band gap of Cl2CsO3SeTm?

Cl2CsO3SeTm has a DFT-computed band gap of 4.36 eV across 2 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.

More questions
Is Cl2CsO3SeTm a metal, semiconductor, or insulator?
DFT predicts a wide band gap of up to 4.36 eV (an insulator or wide-band-gap material).
Is Cl2CsO3SeTm thermodynamically stable?
Cl2CsO3SeTm has a lowest energy above hull of 0.070 eV/atom (metastable).
What is the crystal structure of Cl2CsO3SeTm?
The reference structure of Cl2CsO3SeTm is monoclinic symmetry, space group P21/c (No. 14).
What is the density of Cl2CsO3SeTm?
The computed density of the ground-state structure of Cl2CsO3SeTm is 4.22 g/cm³.
How many polymorphs of Cl2CsO3SeTm are known?
2 structures of Cl2CsO3SeTm are reported across 2 databases, spanning 1 distinct space group.
How is Cl2CsO3SeTm synthesized?
Literature-reported routes for Cl2CsO3SeTm include solid state (2 procedures documented).
What elements does Cl2CsO3SeTm contain?
Cl2CsO3SeTm contains Cl, Cs, O, Se, and Tm (5 elements).
Where does the data for Cl2CsO3SeTm come from?
Cl2CsO3SeTm data is cross-referenced from materials_project, cod.
Data sources & attribution
  • materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
  • cod — Data from the Crystallography Open Database (crystallography.net/cod/). Cite: Grazulis et al., J. Appl. Cryst. 42, 726 (2009). (CC0-1.0)

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