Rhenium(IV) oxide
<templatestyles src="Chembox/styles.css"/>
Template:Chembox image cellTemplate:Chembox image cellTemplate:Chembox AllOtherNamesTemplate:Chembox headerbarTemplate:Chembox IndexlistTemplate:Chembox JmolTemplate:Chembox ChEMBLTemplate:Chembox ECHATemplate:Chembox E numberTemplate:Chembox IUPHAR ligandTemplate:Chembox UNIITemplate:Chembox CompToxTemplate:Chembox headerbarTemplate:Chembox SolubilityInWaterTemplate:Chembox headerbarTemplate:Chembox HazardsTemplate:Chembox headerbarTemplate:Chembox Datapage checkTemplate:Yesno| Template:Longitem | Template:Unbulleted list |
| ChEBI | Template:Unbulleted list |
| ChemSpider | Template:Unbulleted list |
| DrugBank | Template:Unbulleted list |
| EC Number | Template:Unbulleted list |
| KEGG | Template:Unbulleted list |
| Template:Longitem | Template:Unbulleted list |
| RTECS number | Template:Unbulleted list |
| Script error: No such module "collapsible list". | |
| Script error: No such module "collapsible list". | |
| Template:Longitem | ReO2 |
| Molar mass | 218.206 g/mol |
| Appearance | gray orthorhombic crystals |
| Density | 11.4 g/cm3[1] |
| Melting point | Template:Chembox CalcTemperatures |
| Solubility in alkali | insoluble |
| Template:Longitem | +44.0·10−6 cm3/mol |
| Template:Longitem | Orthorohmbic, oP12 |
| Template:Longitem | Pbcn, No. 60 |
| Template:Longitem | Rhenium(VII) oxide Rhenium(III) oxide Rhenium(III) chloride |
| Template:Longitem | manganese(IV) oxide Technetium(IV) oxide |
Template:Chembox Footer/tracking container onlyScript error: No such module "TemplatePar".Template:Short description
Rhenium(IV) oxide or rhenium dioxide is the inorganic compound with the formula ReO2. This gray to black crystalline solid is a laboratory reagent that can be used as a catalyst. It adopts the rutile structure.
Synthesis and reactions
It forms via comproportionation:[3]
- 2 Re2O7 + 3 Re → 7 ReO2
Single crystals are obtained by chemical transport, using iodine as the transporting agent.:[4]
- ReO2 + I2 ⇌ ReO2I2
At high temperatures it undergoes disproportionation:
- 7Script error: No such module "String".ReO2 → 2Script error: No such module "String".Re2O7 + 3Script error: No such module "String".Re
It forms rhenates with alkaline hydrogen peroxide and oxidizing acids.[5] In molten sodium hydroxide it forms sodium rhenate:[6]
- 2Script error: No such module "String".NaOH + ReO2 → Na2ReO3 + H2O
References
<templatestyles src="Reflist/styles.css" />
- ↑ Script error: No such module "citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ G. Glemser "Rhenium (IV) Oxide" Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 1480.
- ↑ Script error: No such module "citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ G. Glemser "Sodium Rhenate (IV)" Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 1483.
Script error: No such module "Check for unknown parameters".