Questions tagged [supramolecular-chemistry]

The supramolecular chemistry tag should be applied to questions pertaining to supramolecular systems, both natural (e.g. biological systems with supramolecular behaviour) and artificial (e.g. man made structures such as molecular knots/machines).

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How does 81-crown-27 complexes itself with alkali metal with its size?

The biggest crown ether experimentally confirmed is 81-crown-27 1 How can this molecule form complexes when the distance between the 27 oxygen atoms which complexes with the cation inside seems ...
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Association constant calculation in 3:1 complexes

I have a question about calculating the association constant related to 3:1 host-guest complexes. I am using the UV-vis titration method, I know the stoichiometry from the molar fraction method which ...
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Is there anything like "Saturated Fullerene"?

This question arose from my previous question: Can benzyne be trapped inside a polycyclic hydrocarbon?. While dodecahedrane was too small to fit an anthranilate ion or even a benzyne ion, there are ...
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Can benzyne be trapped inside a polycyclic hydrocarbon?

I came across an article in my organic chemistry textbook, which told about how benzyne was trapped within a molecular container and stabilized for short periods of time before undergoing a Diels-...
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Enantiomers in anisotropic achiral chemical environments

Consider a functionalised molecular box or cage which has an electrostatic gradient due to positively charged groups one one of its faces. This environment is achiral as there are reflection ...
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How far has "self-organizing chemistry" gone? [closed]

This is my first question here so, please, bear with me if I go out of the style or the scope of the SE section. I think I am quite new here, so I am prone to make mistakes. I am a molecular ...
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6 votes
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How are atoms encapsulated in buckminsterfullerene molecules?

According to nature.com, buckminsterfullerene molecules (bucky balls) can be formed by vaporizing graphite by saturating it with laser irradiation. I haven't entirely understood why the carbon forms ...
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Nomenclature of catenanes and rotaxanes

Looking at the IUPAC Blue Book, I noticed that the words “catenane”, “rotaxane” (or “interlocked”, “mechanical bond”, …) do not appear within the rules of nomenclature. Given that a catenane or ...
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Molecular knots absolute configuration

How is the absolute configuration of chiral molecular knots determined? What rules should be applied? For centrochiral compounds, the CIP rules are applied, for axially chiral is described here and ...
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Interlocked cyclic compounds

Being new to chemistry, there may ought to be some properties I couldn't understand fully. One of them being cyclic compounds. One particular question about this is, whether these cyclic compounds, ...
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Catenane optical activity

Would a [2]catenate whose each ring consist of a different number of methylene groups only, be optically active if one hydrogen atom of a random methylene group is replaced with e.g. chlorine? I think ...
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