NaReO4
sodium perrhenate · sodium rhenate(VII)
Sodium perrhenate is a stable, insulating inorganic salt that acts as a key source of rhenium in chemical synthesis.
About sodium perrhenate
Sodium perrhenate is a thermodynamically stable inorganic compound featuring rhenium in its highest oxidation state. It functions as a wide-band-gap insulator, characterized by a robust electronic structure that makes it a significant subject of study in solid-state chemistry.
Due to its stability and well-defined structural profile, this compound serves as a primary precursor for various rhenium-containing materials. Its reliable chemical behavior allows it to be utilized in laboratory synthesis and specialized industrial applications requiring precise rhenium chemistry.
Key Properties
Cross-validated computational properties for sodium perrhenate, aggregated across 4 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for NaReO4, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| I41/a (No. 88) | tetragonal | 3.62 | 0.0000 | -7.863 | 5.53 |
| I41/a (No. 88) | — | — | — | — | — |
| I41/a (No. 88) | Tetragonal | — | — | — | 5.04 |
| I41/a (No. 88) | Tetragonal | — | — | — | 5.39 |
| I41/a (No. 88) | Tetragonal | — | — | — | 5.13 |
| I41/a (No. 88) | tetragonal | — | — | — | 2.69 |
Applications
Where sodium perrhenate is used.
Frequently Asked Questions
Common questions about sodium perrhenate, answered from cross-validated data.
What is NaReO4?
Sodium perrhenate is a stable, insulating inorganic salt that acts as a key source of rhenium in chemical synthesis.
What is NaReO4 used for?
What is the band gap of NaReO4?
Is NaReO4 a metal, semiconductor, or insulator?
Is NaReO4 thermodynamically stable?
What is the crystal structure of NaReO4?
What is the density of NaReO4?
How many polymorphs of NaReO4 are known?
What elements does NaReO4 contain?
Where does the data for NaReO4 come from?
How It Compares
As a stable perrhenate salt, this compound represents a fundamental building block in rhenium chemistry, serving as a reliable reference point for understanding the structural and electronic properties of group seven oxoanions.
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.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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