Hg2Mo2O7

Hg2Mo2O7 is a semiconducting mercury molybdenum oxide that is considered a promising candidate for synthesis due to its favorable thermodynamic stability.

HgMoO
Crystal structure of Hg2Mo2O7
Ground-state structure · Materials Project
Overview

About Hg2Mo2O7

Hg2Mo2O7 is a complex oxide composed of mercury, molybdenum, and oxygen. As a semiconducting material, it occupies a unique position in solid-state chemistry, characterized by a structural arrangement that suggests it is a viable candidate for experimental synthesis given its proximity to the thermodynamic stability hull.

The compound is notable for its structural diversity, with numerous reported configurations across various databases. Its electronic properties and potential for structural tuning make it an intriguing subject for researchers exploring advanced inorganic oxide systems.

At a glance

Key Properties

Cross-validated computational properties for Hg2Mo2O7, aggregated across 3 databases.

Band Gap

2.20–2.33 eV
Range across DFT structures

Energy Above Hull

0.005 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

11
3 databases, 3 space groups
Uses

Applications

Where Hg2Mo2O7 is used.

Solid-state electronic researchMaterials science structural studies
Reference

Frequently Asked Questions

Common questions about Hg2Mo2O7, answered from cross-validated data.

What is Hg2Mo2O7?

Hg2Mo2O7 is a semiconducting mercury molybdenum oxide that is considered a promising candidate for synthesis due to its favorable thermodynamic stability.

More questions
What is Hg2Mo2O7 used for?
Hg2Mo2O7 is used in solid-state electronic research and materials science structural studies.
What is the band gap of Hg2Mo2O7?
Hg2Mo2O7 has a DFT-computed band gap of 2.20–2.33 eV across 11 reported structures.
Is Hg2Mo2O7 a metal, semiconductor, or insulator?
With a band gap up to 2.33 eV it is a semiconductor.
Is Hg2Mo2O7 thermodynamically stable?
Hg2Mo2O7 has a lowest energy above hull of 0.005 eV/atom (near hull (likely stable)).
How many polymorphs of Hg2Mo2O7 are known?
11 structures of Hg2Mo2O7 are reported across 3 databases, spanning 3 distinct space groups.
What elements does Hg2Mo2O7 contain?
Hg2Mo2O7 contains Hg, Mo, and O (3 elements).
Where does the data for Hg2Mo2O7 come from?
Hg2Mo2O7 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a specialized mercury-based molybdenum oxide, Hg2Mo2O7 represents a distinct structural phase within the broader landscape of ternary transition metal oxides, serving as a key reference point for understanding the interplay between heavy metal cations and molybdenum-oxygen frameworks.

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

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