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60 in extra virgin olive oil, showing the characteristic purple color of pristine C 60 solutions. Fullerenes are soluble in many organic solvents, such as toluene, chlorobenzene, and 1,2,3-trichloropropane. Solubilities are generally rather low, such as 8 g/L for C 60 in carbon disulfide.
In organic chemistry, spherical aromaticity is formally used to describe an unusually stable nature of some spherical compounds such as fullerenes and polyhedral boranes. In 2000, Andreas Hirsch and coworkers in Erlangen , Germany , formulated a rule to determine when a spherical compound would be aromatic .
Fullerene chemistry is a field of organic chemistry devoted to the chemical properties of fullerenes. [1] [2] [3] Research in this field is driven by the need to functionalize fullerenes and tune their properties. For example, fullerene is notoriously insoluble and adding a suitable group can enhance solubility. [1]
Spherical fullerenes are also called buckyballs, and they resemble the balls used in football (soccer). Fullerenes are similar in structure to graphite, which is composed of stacked graphene sheets of linked hexagonal rings; but they may also contain pentagonal (or sometimes heptagonal) rings.
Endohedral fullerenes show distinct and intriguing chemical properties that can be completely different from the encapsulated atom or molecule, as well as the fullerene itself. The encapsulated atoms have been shown to perform circular motions inside the C 60 cage, and their motion has been followed using NMR spectroscopy .
Besides unfilled fullerenes, endohedral metallofullerenes develop with different cage sizes like La@C 60 or La@C 82 and as different isomer cages. Aside from the dominant presence of mono-metal cages, numerous di-metal endohedral complexes and the tri-metal carbide fullerenes like Sc 3 C 2 @C 80 were also isolated. In 1999 a discovery drew ...
Since then, superconductivity has been reported in fullerene doped with various other alkali metals. [ 4 ] [ 5 ] It has been shown that the superconducting transition temperature in alkaline-metal-doped fullerene increases with the unit-cell volume V. [ 6 ] [ 7 ] As Cs + is the largest alkali ion, caesium-doped fullerene is an important ...
Boiling water can be poured onto the ground up leaves and used in a decoction, alone or with other substances, and the fresh leaf can be crushed and blended and a juice extracted. [8] A volatile oil can be extracted from the leaves and used in the treatment of asthma and bronchitis for which purpose it is sprayed onto the back of the throat and ...
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