Pr

Praseodymium · Pr

Praseodymium is a reactive, silvery metallic element from the lanthanide series widely utilized in the production of high-strength alloys and specialized glass.

Pr
Crystal structure of Pr
Ground-state structure · Materials Project
Overview

About Praseodymium

Praseodymium is a soft, silvery-white metallic element belonging to the lanthanide series. As a highly reactive metal, it is typically stored under oil or sealed in plastic to prevent oxidation, reflecting its inherent chemical nature as a lanthanide. Its electronic character is distinctly metallic, facilitating its role in various metallurgical and industrial applications. Being near-hull in stability, it is readily synthesizable and exists in numerous structural configurations, making it a well-documented material in solid-state chemistry. It is primarily valued for its ability to form robust alloys and its contribution to specialized glass and magnet technologies.

At a glance

Key Properties

Cross-validated computational properties for Praseodymium, aggregated across 4 databases.

Band Gap

Metallic / not reported

Energy Above Hull

0.008 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

50
4 databases, 10 space groups
Validation

Cross-Source DFT Agreement

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

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
jarvis, materials_project

Space Group Consensus

All match
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Pr.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Uses

Applications

Where Praseodymium is used.

Permanent magnetsMischmetal alloysYellow-tinted glass and ceramicsCarbon arc lightingCatalysts
Reference

Frequently Asked Questions

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

What is Pr?

Praseodymium is a reactive, silvery metallic element from the lanthanide series widely utilized in the production of high-strength alloys and specialized glass.

More questions
What is Pr used for?
Praseodymium (Pr) is used in permanent magnets, mischmetal alloys, yellow-tinted glass and ceramics, carbon arc lighting, and catalysts.
What is the band gap of Pr?
Praseodymium (Pr) is computed to be metallic (no band gap) in the reported DFT structures.
Is Pr a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is Pr thermodynamically stable?
Praseodymium (Pr) has a lowest energy above hull of 0.008 eV/atom (near hull (likely stable)).
How many polymorphs of Pr are known?
50 structures of Pr are reported across 4 databases, spanning 10 distinct space groups.
How is Pr synthesized?
Literature-reported routes for Pr include sol gel (10 procedures documented).
What elements does Pr contain?
Praseodymium (Pr) contains Pr (1 element).
Where does the data for Pr come from?
Pr data is cross-referenced from latticegraph.
Comparison

How It Compares

As a pure elemental metal, Praseodymium serves as a foundational building block for the broader class of rare-earth materials, providing the essential metallic character required for alloying with transition metals to enhance magnetic performance and structural integrity.

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

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