Osmium tetroxide (also osmium(VIII) oxide) is the chemical compound with the formula OsO4. The compound is noteworthy for its many uses, despite its toxicity...

solid osmium is difficult to machine, form, or work. Osmium forms compounds with oxidation states ranging from −4 to +8. The most common oxidation states...

Hassium tetroxide (also hassium(VIII) oxide) is the inorganic compound with the formula HsO4. It is the highest oxide of hassium, a transactinide transition...

Osmium compounds are compounds containing the element osmium (Os). Osmium forms compounds with oxidation states ranging from −2 to +8. The most common...

homologue to osmium was that minerals supposedly containing sergenium formed volatile oxides when boiled in nitric acid, similarly to osmium. Cherdyntsev's...

rare example of a molecular binary metal oxide. Other examples are ruthenium(VIII) oxide and osmium(VIII) oxide. It adopts a centrosymmetric corner-shared...

Nitrosylsulfuric acid – NOHSO4 Osmium hexafluoride – OsF6 Osmium tetroxide (osmium(VIII) oxide) – OsO4 Osmium trioxide (osmium(VI) oxide) – OsO3 Tributyltin –...

Osmium octafluoride is an inorganic chemical compound of osmium metal and fluorine with the chemical formula OsF8. Some sources consider it to be a still...

group, it is considered the second-densest naturally occurring metal (after osmium) with a density of 22.56 g/cm3 (0.815 lb/cu in) as defined by experimental...

OsI osmium(I) iodide 76758–38–8 OsI2 osmium(II) iodide 59201–57–9 OsI3 osmium(III) iodide 59201–58–0 OsO2 osmium(IV) oxide 12036–02–1 OsO4 osmium(VIII) oxide...

amount of osmium tetroxide, which after reaction is regenerated with reoxidants such as potassium ferricyanide or N-methylmorpholine N-oxide. This dramatically...

platinum, and the other platinum group metals (ruthenium, rhodium, palladium, osmium, iridium) are most often so classified. Silver, copper, and mercury are...

alcohols to carboxylic acids. When used in this fashion, the ruthenium(VIII) oxide is used in catalytic amounts and regenerated by the addition of sodium...

formula K2[OsO2(OH)4]. This diamagnetic purple salt contains osmium in the VI (6+) oxidation state. When dissolved in water a red solution is formed. When...

obtained by the reaction of osmium with a variety of oxidizing agents, including, sodium chlorate, osmium tetroxide, and nitric oxide at about 600 °C. Using...

Highest Oxidation States of the 5d Transition Metals: a Quantum-Chemical Study (PDF) (Report). Chemical Society. Retrieved 2011-06-20. "Osmium heptafluoride"...

its group oxidation state of +8, although its heavier congeners ruthenium and osmium can, with ruthenium having more difficulty than osmium. Ruthenium...

metal that can assume the group oxidation state +8, and even then it is less stable there than the heavier congener osmium: this is the first group from...

Nash; Jeremy S. Parker (2008). "Pyridine-N-Oxide as a Mild Reoxidant Which Transforms Osmium-Catalyzed Oxidative Cyclization". Angew. Chem. Int. Ed. 47 (15):...

Osmium hexafluoride, also osmium(VI) fluoride, (OsF6) is a compound of osmium and fluorine, and one of the seventeen known binary hexafluorides. Osmium...

elements in the periodic table. It consists of iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). "Group 8" is the modern standard designation for...

chemical compound with the chemical formula (NH4)2OsCl6. Reduction of osmium(VIII) oxide with iron dichloride in an acidic medium in the presence of ammonium...

compounds containing iridium in the +6 oxidation state include IrF6 and the oxides Sr2MgIrO6 and Sr2CaIrO6. iridium(VIII) oxide (IrO4) was generated under matrix...

Iridium(IV) oxide, IrO2, is the only well-characterised oxide of iridium. It is a blue-black solid. The compound adopts the TiO2 rutile structure, featuring...

Ruthenium(IV) oxide is the inorganic compound with the formula RuO2. This black solid is the most common oxide of ruthenium. It is widely used as an electrocatalyst...

(Ru). Ruthenium compounds can have oxidation states ranging from 0 to +8, and −2. The properties of ruthenium and osmium compounds are often similar. The...

problem was remedied in compound 4.12. Next dihydroxylation with Osmium(VIII) oxide formed the diol 4.13 with the primary alcohol on addition of base...

M.; Zsednai, Á.; Csányi, L.J. (1983). "The acidic behaviour of osmium(VIII) and osmium(VI". Transition Met. Chem. 8: 328–332. doi:10.1007/BF00618563....

allotropes and four oxidation states. It reacts with carbon, halogens, nitrogen, silicon, and hydrogen. When exposed to moist air, it forms oxides and hydrides...

bonding (M = metal) lead to high hardness. Dense heavy metals, such as osmium, rhenium, tungsten etc., are particularly apt at forming hard borides because...