USeO6

USeO6 is a stable, semiconducting uranium oxoselenate compound characterized by its diverse structural arrangements.

OSeU
Crystal structure of USeO6 (monoclinic, P21/c (No. 14))
Ground-state structure · Materials Project
Overview

About USeO6

USeO6 is a complex inorganic compound composed of uranium, selenium, and oxygen. As a thermodynamically stable phase located on the convex hull, it represents a robust configuration within its chemical system, drawing significant interest for fundamental materials research.

Exhibiting semiconducting electronic characteristics, this material is a subject of ongoing investigation regarding its structural properties. With multiple reported structures across databases, it serves as a key reference point for understanding the coordination chemistry of uranium-based oxoselenates.

At a glance

Key Properties

Cross-validated computational properties for USeO6, aggregated across 3 databases.

Band Gap

2.25–3.28 eV
Range across DFT structures · ground state: wide gap

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

Stable
3 DFT sources

Structures

5
3 databases, 1 space group
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of USeO6. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

0.87 / 1.00
Trust tier: high

Hull Spread

0.032 eV
EAH spread across sources

Sources Compared

3
jarvis, materials_project, oqmd

Space Group Consensus

All match
Crystallography

Reported Structures

Lowest-energy structures reported for USeO6, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
——3.280.0000-2.043—
P21/c (No. 14)monoclinic2.020.0000-7.8885.54
P21/c (No. 14)monoclinic2.250.0321-1.871—
P21/c (No. 14)monoclinic———5.64
P21/c (No. 14)monoclinic———5.24
P21/c (No. 14)monoclinic———5.56
P21/c (No. 14)monoclinic———5.35
Uses

Applications

Where USeO6 is used.

Solid-state materials researchFundamental crystallographic studies
Reference

Frequently Asked Questions

Common questions about USeO6, answered from cross-validated data.

What is USeO6?

USeO6 is a stable, semiconducting uranium oxoselenate compound characterized by its diverse structural arrangements.

More questions
What is USeO6 used for?
USeO6 is used in solid-state materials research and fundamental crystallographic studies.
What is the band gap of USeO6?
USeO6 has a DFT-computed band gap of 2.25–3.28 eV across 5 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
Is USeO6 a metal, semiconductor, or insulator?
DFT predicts a wide band gap of up to 3.28 eV (an insulator or wide-band-gap material).
Is USeO6 thermodynamically stable?
Yes — USeO6 sits on the convex hull (energy above hull 0 eV/atom), i.e. stable.
What is the crystal structure of USeO6?
The reference structure of USeO6 is monoclinic symmetry, space group P21/c (No. 14).
What is the density of USeO6?
The computed density of the ground-state structure of USeO6 is 5.54 g/cm³.
How many polymorphs of USeO6 are known?
5 structures of USeO6 are reported across 3 databases, spanning 1 distinct space group.
What elements does USeO6 contain?
USeO6 contains O, Se, and U (3 elements).
Where does the data for USeO6 come from?
USeO6 data is cross-referenced from oqmd, materials_project, jarvis, mpaloe, cod.
Comparison

How It Compares

As a unique member of its chemical family, USeO6 stands out for its thermodynamic stability and structural complexity, serving as a primary example of how uranium and selenium can integrate into a stable oxide framework.

Data sources & attribution
  • oqmd — Data from the OQMD (oqmd.org). Cite: Saal et al., JOM 65, 1501 (2013); Kirklin et al., npj Comp. Mater. 1, 15010 (2015). (CC-BY-4.0)
  • materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
  • jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
  • mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.
  • cod — Data from the Crystallography Open Database (crystallography.net/cod/). Cite: Grazulis et al., J. Appl. Cryst. 42, 726 (2009). (CC0-1.0)

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