BaH9IO5

BaH9IO5 is a wide-gap insulating compound that is theoretically stable enough to be a candidate for experimental synthesis.

BaHIO
Crystal structure of BaH9IO5
Ground-state structure · Materials Project
Overview

About BaH9IO5

BaH9IO5 is an insulating compound characterized by a wide electronic band gap. Its structural composition suggests a complex arrangement of hydrogen, oxygen, and iodine coordinated with barium, positioning it as a distinct material within its chemical family.

As a thermodynamically near-hull phase, this compound is considered a viable target for laboratory synthesis. Its stability profile indicates that it could potentially be isolated under appropriate conditions, warranting further investigation into its physical and chemical properties.

At a glance

Key Properties

Cross-validated computational properties for BaH9IO5, aggregated across 3 databases.

Band Gap

3.52 eV
Range across DFT structures

Energy Above Hull

0.010 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
1 DFT source

Structures

5
3 databases, 2 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of BaH9IO5. 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

1
materials_project

Space Group Consensus

All match
Reference

Frequently Asked Questions

Common questions about BaH9IO5, answered from cross-validated data.

What is BaH9IO5?

BaH9IO5 is a wide-gap insulating compound that is theoretically stable enough to be a candidate for experimental synthesis.

More questions
What is the band gap of BaH9IO5?
BaH9IO5 has a DFT-computed band gap of 3.52 eV across 5 reported structures.
Is BaH9IO5 a metal, semiconductor, or insulator?
With a wide band gap up to 3.52 eV it is an insulator / wide-band-gap material.
Is BaH9IO5 thermodynamically stable?
BaH9IO5 has a lowest energy above hull of 0.010 eV/atom (near hull (likely stable)).
How many polymorphs of BaH9IO5 are known?
5 structures of BaH9IO5 are reported across 3 databases, spanning 2 distinct space groups.
What elements does BaH9IO5 contain?
BaH9IO5 contains Ba, H, I, and O (4 elements).
Where does the data for BaH9IO5 come from?
BaH9IO5 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique inorganic compound, BaH9IO5 represents a specialized structural configuration within the broader landscape of barium-based oxy-iodides. While it currently stands as a singular entry in this specific compositional space, its potential for synthesis provides a foundational benchmark for future exploration of similar complex hydrated or oxygen-rich halide structures.

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

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