Pr2O3

Praseodymium(III) oxide · Praseodymia

Praseodymium(III) oxide is a light green inorganic compound that serves as a key material in the production of specialty glasses and ceramics. It is frequently utilized for its ability to absorb specific wavelengths of light and is an essential component in various optical and electronic applications.

OPr
Crystal structure of Pr2O3 (cubic, Ia-3 (No. 206))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Praseodymium(III) oxide, aggregated across 3 databases.

Band Gap

3.55–3.81 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

9
3 databases, 5 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Pr2O3, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Ia-3 (No. 206)cubic3.810.0000-8.6166.17
P-3m1 (No. 164)trigonal3.750.0010-8.6156.90
C2/m (No. 12)monoclinic3.550.0055-8.6116.76
P-3m1 (No. 164)
C2/m (No. 12)
Ia-3 (No. 206)
Pm (No. 6)Monoclinic7.13
Cm (No. 8)Monoclinic7.76
Cm (No. 8)Monoclinic7.66
Uses

Applications

Where Praseodymium(III) oxide is used.

Glass coloringCeramic pigmentsOptical fibersCatalystsCapacitor dielectrics
Reference

Frequently Asked Questions

Common questions about Praseodymium(III) oxide, answered from cross-validated data.

What is Pr2O3?

Praseodymium(III) oxide is a light green inorganic compound that serves as a key material in the production of specialty glasses and ceramics. It is frequently utilized for its ability to absorb specific wavelengths of light and is an essential component in various optical and electronic applications.

More questions
What is Pr2O3 used for?
Praseodymium(III) oxide (Pr2O3) is used in glass coloring, ceramic pigments, optical fibers, catalysts, and capacitor dielectrics.
What is the band gap of Pr2O3?
Praseodymium(III) oxide (Pr2O3) has a DFT-computed band gap of 3.55–3.81 eV across 9 reported structures.
Is Pr2O3 a metal, semiconductor, or insulator?
With a wide band gap up to 3.81 eV it is an insulator / wide-band-gap material.
Is Pr2O3 thermodynamically stable?
Yes — Praseodymium(III) oxide (Pr2O3) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Pr2O3?
The lowest-energy reported polymorph of Praseodymium(III) oxide (Pr2O3) is cubic symmetry, space group Ia-3 (No. 206).
What is the density of Pr2O3?
The computed density of the ground-state structure of Praseodymium(III) oxide (Pr2O3) is 6.17 g/cm³.
How many polymorphs of Pr2O3 are known?
9 structures of Pr2O3 are reported across 3 databases, spanning 5 distinct space groups.
What elements does Pr2O3 contain?
Praseodymium(III) oxide (Pr2O3) contains O and Pr (2 elements).
Where does the data for Pr2O3 come from?
Pr2O3 data is cross-referenced from materials_project, jarvis, mpaloe.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • mpaloe — Data from mpaloe.

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