Br4Se2

Br4Se2 is a semiconducting selenium bromide compound that exhibits structural complexity despite its metastable thermodynamic nature.

BrSe
Crystal structure of Br4Se2
Ground-state structure · Materials Project
Overview

About Br4Se2

Br4Se2 is a binary selenium bromide compound characterized by its semiconducting electronic nature. Its existence as a distinct phase is supported by numerous reported structures across multiple databases, highlighting its role as a subject of interest in structural inorganic chemistry research. Despite its structural documentation, the compound is categorized as being above the thermodynamic hull, suggesting it may be metastable under standard conditions. This instability makes it a compelling target for researchers investigating complex chalcogen-halide bonding environments and synthetic pathways.

At a glance

Key Properties

Cross-validated computational properties for Br4Se2, aggregated across 4 databases.

Band Gap

0.82 eV
Range across DFT structures

Energy Above Hull

0.167 eV/atom
Best (lowest) across sources

Stability

Above hull
3 DFT sources

Structures

14
4 databases, 6 space groups
Uses

Applications

Where Br4Se2 is used.

Fundamental materials science researchChalcogen-halide chemical synthesis studies
Reference

Frequently Asked Questions

Common questions about Br4Se2, answered from cross-validated data.

What is Br4Se2?

Br4Se2 is a semiconducting selenium bromide compound that exhibits structural complexity despite its metastable thermodynamic nature.

More questions
What is Br4Se2 used for?
Br4Se2 is used in fundamental materials science research and chalcogen-halide chemical synthesis studies.
What is the band gap of Br4Se2?
Br4Se2 has a DFT-computed band gap of 0.82 eV across 14 reported structures.
Is Br4Se2 a metal, semiconductor, or insulator?
With a band gap up to 0.82 eV it is a semiconductor.
Is Br4Se2 thermodynamically stable?
Br4Se2 has a lowest energy above hull of 0.167 eV/atom (above hull).
How many polymorphs of Br4Se2 are known?
14 structures of Br4Se2 are reported across 4 databases, spanning 6 distinct space groups.
What elements does Br4Se2 contain?
Br4Se2 contains Br and Se (2 elements).
Where does the data for Br4Se2 come from?
Br4Se2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique binary selenium bromide, Br4Se2 serves as a specialized case study within the broader family of chalcogen halides. Without direct structural siblings in this specific class, it stands as a standalone example of how selenium-bromine stoichiometry can form complex, albeit metastable, semiconducting frameworks.

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

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