Mg2H2O3

Mg2H2O3 is a wide-band-gap insulating inorganic compound that is considered thermodynamically stable and potentially synthesizable.

HMgO
Crystal structure of Mg2H2O3
Ground-state structure · Materials Project
Overview

About Mg2H2O3

Mg2H2O3 is a wide-band-gap insulating material that exists as a complex combination of magnesium, hydrogen, and oxygen. Its electronic character defines it as a robust insulator, making it a distinct candidate for specialized solid-state applications where electrical conductivity must be strictly limited.

As a near-hull compound, it occupies a favorable position in the thermodynamic landscape, suggesting that it is likely synthesizable under the right laboratory conditions. Its presence across multiple structural databases highlights its significance as an emerging material in the study of inorganic hydride-oxide frameworks.

At a glance

Key Properties

Cross-validated computational properties for Mg2H2O3, aggregated across 3 databases.

Band Gap

3.57 eV
Range across DFT structures

Energy Above Hull

0.020 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

5
3 databases, 1 space group
Uses

Applications

Where Mg2H2O3 is used.

Solid-state electronic componentsFundamental materials researchHydrogen storage studies
Reference

Frequently Asked Questions

Common questions about Mg2H2O3, answered from cross-validated data.

What is Mg2H2O3?

Mg2H2O3 is a wide-band-gap insulating inorganic compound that is considered thermodynamically stable and potentially synthesizable.

More questions
What is Mg2H2O3 used for?
Mg2H2O3 is used in solid-state electronic components, fundamental materials research, and hydrogen storage studies.
What is the band gap of Mg2H2O3?
Mg2H2O3 has a DFT-computed band gap of 3.57 eV across 5 reported structures.
Is Mg2H2O3 a metal, semiconductor, or insulator?
With a wide band gap up to 3.57 eV it is an insulator / wide-band-gap material.
Is Mg2H2O3 thermodynamically stable?
Mg2H2O3 has a lowest energy above hull of 0.020 eV/atom (near hull (likely stable)).
How many polymorphs of Mg2H2O3 are known?
5 structures of Mg2H2O3 are reported across 3 databases, spanning 1 distinct space group.
What elements does Mg2H2O3 contain?
Mg2H2O3 contains H, Mg, and O (3 elements).
Where does the data for Mg2H2O3 come from?
Mg2H2O3 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique inorganic compound, Mg2H2O3 represents a specialized niche within materials science. Because it does not belong to a broad, well-defined family of similar compounds in this context, it serves as a primary example of how magnesium-based systems can be tuned to achieve insulating properties through specific hydrogen and oxygen coordination.

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

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