CSO

CSO is an insulating, metastable inorganic compound composed of carbon, sulfur, and oxygen that is primarily studied for its structural diversity.

COS
Crystal structure of CSO
Ground-state structure · Materials Project
Overview

About CSO

CSO is a complex inorganic compound characterized by its wide-band-gap insulating electronic profile. Its composition, involving carbon, sulfur, and oxygen, places it in a unique category of materials that are currently being explored for their specific structural arrangements.

Due to its position above the thermodynamic hull, this material is considered inherently unstable under standard conditions. Despite this, the compound has garnered interest in computational materials science, with multiple structural configurations documented across various databases.

At a glance

Key Properties

Cross-validated computational properties for CSO, aggregated across 3 databases.

Band Gap

4.50–4.91 eV
Range across DFT structures

Energy Above Hull

0.105 eV/atom
Best (lowest) across sources

Stability

Above hull
2 DFT sources

Structures

9
3 databases, 5 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting CSO.

Sol Gel
Procedure available · ceder_sol_gel
Reference

Frequently Asked Questions

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

What is CSO?

CSO is an insulating, metastable inorganic compound composed of carbon, sulfur, and oxygen that is primarily studied for its structural diversity.

More questions
What is the band gap of CSO?
CSO has a DFT-computed band gap of 4.50–4.91 eV across 9 reported structures.
Is CSO a metal, semiconductor, or insulator?
With a wide band gap up to 4.91 eV it is an insulator / wide-band-gap material.
Is CSO thermodynamically stable?
CSO has a lowest energy above hull of 0.105 eV/atom (above hull).
How many polymorphs of CSO are known?
9 structures of CSO are reported across 3 databases, spanning 5 distinct space groups.
How is CSO synthesized?
Literature-reported routes for CSO include sol gel.
What elements does CSO contain?
CSO contains C, O, and S (3 elements).
Where does the data for CSO come from?
CSO data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone entry in this structural investigation, CSO serves as a reference point for understanding the stability limits of carbon-sulfur-oxygen systems. Its insulating nature distinguishes it from more conductive or metallic counterparts, providing a baseline for future studies into metastable phases.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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