MgH12SeO9

Magnesium selenate hexahydrate · Magnesium selenate(VI) hexahydrate

Magnesium selenate hexahydrate is a crystalline inorganic salt composed of magnesium, selenium, and oxygen atoms coordinated with water molecules. It is primarily utilized in laboratory research and as a chemical precursor for the synthesis of other selenium-containing materials.

HMgOSe
Crystal structure of MgH12SeO9 (trigonal, R3 (No. 146))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Magnesium selenate hexahydrate, aggregated across 3 databases.

Band Gap

3.36–5.07 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

6
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for MgH12SeO9, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R3 (No. 146)trigonal5.070.0000-5.3812.04
P1 (No. 1)triclinic3.360.2816-5.0991.59
R3 (No. 146)
R3 (No. 146)Trigonal2.04
R3 (No. 146)Trigonal2.06
R3 (No. 146)Trigonal2.11
Uses

Applications

Where Magnesium selenate hexahydrate is used.

Chemical synthesisLaboratory reagentMaterials science research
Reference

Frequently Asked Questions

Common questions about Magnesium selenate hexahydrate, answered from cross-validated data.

What is MgH12SeO9?

Magnesium selenate hexahydrate is a crystalline inorganic salt composed of magnesium, selenium, and oxygen atoms coordinated with water molecules. It is primarily utilized in laboratory research and as a chemical precursor for the synthesis of other selenium-containing materials.

More questions
What is MgH12SeO9 used for?
Magnesium selenate hexahydrate (MgH12SeO9) is used in chemical synthesis, laboratory reagent, and materials science research.
What is the band gap of MgH12SeO9?
Magnesium selenate hexahydrate (MgH12SeO9) has a DFT-computed band gap of 3.36–5.07 eV across 6 reported structures.
Is MgH12SeO9 a metal, semiconductor, or insulator?
With a wide band gap up to 5.07 eV it is an insulator / wide-band-gap material.
Is MgH12SeO9 thermodynamically stable?
Yes — Magnesium selenate hexahydrate (MgH12SeO9) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of MgH12SeO9?
The lowest-energy reported polymorph of Magnesium selenate hexahydrate (MgH12SeO9) is trigonal symmetry, space group R3 (No. 146).
What is the density of MgH12SeO9?
The computed density of the ground-state structure of Magnesium selenate hexahydrate (MgH12SeO9) is 2.04 g/cm³.
How many polymorphs of MgH12SeO9 are known?
6 structures of MgH12SeO9 are reported across 3 databases, spanning 2 distinct space groups.
What elements does MgH12SeO9 contain?
Magnesium selenate hexahydrate (MgH12SeO9) contains H, Mg, O, and Se (4 elements).
Where does the data for MgH12SeO9 come from?
MgH12SeO9 data is cross-referenced from materials_project, jarvis, mpaloe.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • mpaloe — Data from mpaloe.

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