RbPO4
RbPO4 is a semiconducting rubidium phosphate compound that exhibits significant structural diversity despite its thermodynamic metastability.
About RbPO4
RbPO4 is a rubidium-based phosphate compound characterized by its semiconducting electronic nature. It represents a complex chemical system that has been extensively documented across multiple structural databases, reflecting significant interest in its atomic arrangement and potential physical properties.
While the compound is currently identified as being thermodynamically unstable relative to its decomposition products, its structural diversity remains a point of focus for researchers. Investigating such materials is essential for understanding the broader landscape of phosphate-based inorganic frameworks.
Key Properties
Cross-validated computational properties for RbPO4, aggregated across 3 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 RbPO4, 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. |
|---|---|---|---|---|---|
| I-42d (No. 122) | tetragonal | 0.00 | 0.1962 | -6.403 | 2.45 |
| P21/m (No. 11) | monoclinic | 0.00 | 0.2008 | -6.398 | 2.57 |
| P21 (No. 4) | monoclinic | 0.00 | 0.2068 | -6.392 | 2.57 |
| P-1 (No. 2) | triclinic | 0.88 | 0.2769 | -6.322 | 2.79 |
| P21/m (No. 11) | Monoclinic | — | — | — | 2.57 |
| P21/m (No. 11) | Monoclinic | — | — | — | 2.73 |
| P21/m (No. 11) | Monoclinic | — | — | — | 2.61 |
| I-42d (No. 122) | Tetragonal | — | — | — | 2.45 |
| I-42d (No. 122) | Tetragonal | — | — | — | 2.58 |
| I-42d (No. 122) | Tetragonal | — | — | — | 2.49 |
| P21/m (No. 11) | — | — | — | — | — |
Applications
Where RbPO4 is used.
Frequently Asked Questions
Common questions about RbPO4, answered from cross-validated data.
What is RbPO4?
RbPO4 is a semiconducting rubidium phosphate compound that exhibits significant structural diversity despite its thermodynamic metastability.
What is RbPO4 used for?
What is the band gap of RbPO4?
Is RbPO4 a metal, semiconductor, or insulator?
Is RbPO4 thermodynamically stable?
What is the crystal structure of RbPO4?
What is the density of RbPO4?
How many polymorphs of RbPO4 are known?
What elements does RbPO4 contain?
Where does the data for RbPO4 come from?
How It Compares
As a distinct inorganic phosphate, RbPO4 serves as a unique case study within its chemical family. Its structural complexity and metastability highlight the challenges and opportunities in synthesizing and stabilizing rubidium-containing compounds for advanced material applications.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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