ZnBr2

Zinc bromide · Zinc(II) bromide

Zinc bromide is a stable, insulating inorganic salt valued for its high density and utility in chemical and industrial fluid applications.

BrZn
Crystal structure of ZnBr2
Ground-state structure · Materials Project
Overview

About Zinc bromide

Zinc bromide is a chemically robust inorganic compound that exists as a wide-band-gap insulator. Its status as a thermodynamically stable phase on the convex hull underscores its reliability in diverse chemical environments and structural configurations.

Due to its high solubility and density, this material is frequently utilized in specialized industrial applications. It serves as a critical component in fluid systems where high density and optical clarity are required, as well as in various catalytic processes.

At a glance

Key Properties

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

Band Gap

3.18–3.27 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

34
3 databases, 10 space groups
Uses

Applications

Where Zinc bromide is used.

Completion fluids in oil and gas drillingRadiation shieldingLewis acid catalyst in organic synthesisZinc-bromine flow batteries
Reference

Frequently Asked Questions

Common questions about Zinc bromide, answered from cross-validated data.

What is ZnBr2?

Zinc bromide is a stable, insulating inorganic salt valued for its high density and utility in chemical and industrial fluid applications.

More questions
What is ZnBr2 used for?
Zinc bromide (ZnBr2) is used in completion fluids in oil and gas drilling, radiation shielding, lewis acid catalyst in organic synthesis, and zinc-bromine flow batteries.
What is the band gap of ZnBr2?
Zinc bromide (ZnBr2) has a DFT-computed band gap of 3.18–3.27 eV across 34 reported structures.
Is ZnBr2 a metal, semiconductor, or insulator?
With a wide band gap up to 3.27 eV it is an insulator / wide-band-gap material.
Is ZnBr2 thermodynamically stable?
Yes — Zinc bromide (ZnBr2) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of ZnBr2 are known?
34 structures of ZnBr2 are reported across 3 databases, spanning 10 distinct space groups.
What elements does ZnBr2 contain?
Zinc bromide (ZnBr2) contains Br and Zn (2 elements).
Where does the data for ZnBr2 come from?
ZnBr2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable and well-documented inorganic compound, zinc bromide represents a fundamental halide system. It serves as a benchmark for zinc-based salts, providing a reliable baseline for understanding the structural and electronic properties of group twelve metal halides.

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

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