C2O8Tm2

thulium oxalate · thulium(III) oxalate

Thulium oxalate is a semiconducting rare-earth compound primarily used as a chemical precursor for the production of thulium-based oxides and advanced materials.

COTm
Crystal structure of C2O8Tm2
Ground-state structure · Materials Project
Overview

About thulium oxalate

Thulium oxalate is a rare-earth metal organic compound characterized by its semiconducting electronic nature. As a metastable phase, it serves as a critical intermediate in the chemical processing of thulium, often utilized as a precursor for the controlled thermal decomposition into high-purity thulium oxides.

Its structural diversity, represented by multiple reported configurations, highlights its utility in materials science research. By providing a stable chemical pathway for the synthesis of complex thulium-containing ceramics and phosphors, this compound plays a vital role in the development of optical and electronic materials.

At a glance

Key Properties

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

Band Gap

0.49–0.78 eV
Range across DFT structures

Energy Above Hull

0.048 eV/atom
Best (lowest) across sources

Stability

Metastable
1 DFT source

Structures

4
3 databases, 3 space groups
Uses

Applications

Where thulium oxalate is used.

Precursor for thulium oxide synthesisCatalyst developmentRare-earth material processing
Reference

Frequently Asked Questions

Common questions about thulium oxalate, answered from cross-validated data.

What is C2O8Tm2?

Thulium oxalate is a semiconducting rare-earth compound primarily used as a chemical precursor for the production of thulium-based oxides and advanced materials.

More questions
What is C2O8Tm2 used for?
thulium oxalate (C2O8Tm2) is used in precursor for thulium oxide synthesis, catalyst development, and rare-earth material processing.
What is the band gap of C2O8Tm2?
thulium oxalate (C2O8Tm2) has a DFT-computed band gap of 0.49–0.78 eV across 4 reported structures.
Is C2O8Tm2 a metal, semiconductor, or insulator?
With a band gap up to 0.78 eV it is a semiconductor.
Is C2O8Tm2 thermodynamically stable?
thulium oxalate (C2O8Tm2) has a lowest energy above hull of 0.048 eV/atom (metastable).
How many polymorphs of C2O8Tm2 are known?
4 structures of C2O8Tm2 are reported across 3 databases, spanning 3 distinct space groups.
What elements does C2O8Tm2 contain?
thulium oxalate (C2O8Tm2) contains C, O, and Tm (3 elements).
Where does the data for C2O8Tm2 come from?
C2O8Tm2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a specialized rare-earth oxalate, this compound functions as a foundational precursor within its chemical class, facilitating the precise synthesis of functional thulium-based materials that require high purity and controlled morphology.

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

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