Asked by: Ghazala Lubarsky
science chemistry

Why does fullerene have a low melting point?

Last Updated: 4th June, 2020

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This shows that as buckminsterfullerene hasmuch weaker inter-molecular forces than diamond, it has a much lower melting/boiling point. (Less energy required to break the forces of attraction.) Fullerene has a low melting point because it has not so strong bonds.

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Accordingly, does fullerene have a high or low melting point?

They are made up of large molecules but do not have a giant covalent structure. Weak intermolecular forces exist between individual buckyballs. Little energy is needed to overcome these forces, so substances consisting of buckyballs are slippery and have lower melting points than graphite or diamond .

Furthermore, why does iodine have a low melting point? Iodine has a low melting point because of it's large size. I2 or iodine molecule has two iodine atoms bonded together. Since the size is very large,bonds are weak and melt under low temperature.

Subsequently, one may also ask, why does c60 have a low melting point?

Its molecules are made up of 60 carbon atoms joined together by strong covalent bonds. There are weak intermolecular forces between molecules of buckminsterfullerene. These need little energy to overcome, so buckminsterfullerene is slippery and has a low melting point.

What are the properties of fullerenes?

Their unique molecular structure results in extraordinary macroscopic properties, including high tensile strength, high electrical conductivity, high ductility, high heat conductivity, and relative chemical inactivity (as it is cylindrical and "planar" — that is, it has no "exposed" atoms that can be easily displaced).

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Can a c60 conduct electricity?

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Does buckminsterfullerene conduct electricity?

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Do nanoparticles conduct electricity?

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Why is graphene so conductive?

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Does graphite melt or sublime?

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What is the melting point of diamond?

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What is the melting point of buckminsterfullerene?

Buckminsterfullerene fast facts
CAS Reg. No. 99685-96-8
Empirical formula C60
Appearance Shiny black needle-like crystals
Melting point ≈600 ºC (subl.)
Water solubility Insoluble

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What is the formula of buckminsterfullerene?

C60

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What substance is methane and water?

Hydrogen, ammonia, methane and pure water are also simple molecules. All have strong covalent bonds between their atoms, but much weaker intermolecular forces between molecules.

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Is graphene a fullerene?

Graphene and fullerenes are nanoscale allotropes of carbon. Graphene is a flat sheet of carbon atoms arranged in hexagons. Fullerenes are molecules of carbon in the shape of spheres, ellipses and tubes. Carbon nanotubes, also known as buckytubes, are fullerenes in the shape of a tube.

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What is the melting point of graphite?

Like carbon dioxide it goes directly from the solid state to the gaseous. So graphite has no melting point until you get up to about 100 atmospheres. At that point the melting point is about 4300 K (give or take). Diamond is not stable until about 100,000 atmospheres.

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Where is buckminsterfullerene used?

At the same time, Fullerene is used as an anti-aging and anti-damage agent in the cosmetic sector. Fullerenes are used as antiviral agents. This use is provided by its unique molecular structure, antioxidant effect and biological compatibility. Some Fullerenes can form conjugates with proteins and DNA.

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Can graphene conduct electricity?

Graphene does conduct electricity. This is because of its structure. In graphene, each carbon atom is covalently bonded to 3 others. This atom contains free 'delocalised' electrons that can carry and pass on an electric charge.

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Why do halogens have low melting point?

Halogens react with metals to form halides and are oxidizing agents, especially fluorine, which is the most electronegative element. Lighter halogens are more electronegative, lighter in color, and have lower melting and boiling points than heavier halogens.

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Why does the melting point increase down Group 7?

Trends[edit]
The boiling and melting points increase as you go down the group. This is because the strength of the Van Der Waals forces (or induced dipole-dipole interactions) increases since the atoms have more electrons as you descend the group. Volatility decreases down the group as the boiling points increase.