| Topic: |
Science > Physics |
| User: |
"Adam Smith" |
| Date: |
21 Oct 2007 04:19:41 PM |
| Object: |
Molecular magnets |
Hello,
In polyaromatic molecules two types of interactions are observed, a
face-to-face and an edge-to-face. The former can probably be explained
by a ring current magnetic field interaction of two molecules, but how
would one explain the latter, i.e. the edge-to-face phenomenon?
-- Adam --
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| User: "Uncle Al" |
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| Title: Re: Molecular magnets |
22 Oct 2007 09:46:59 AM |
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Adam Smith wrote:
Hello,
In polyaromatic molecules two types of interactions are observed, a
face-to-face and an edge-to-face. The former can probably be explained
by a ring current magnetic field interaction of two molecules, but how
would one explain the latter, i.e. the edge-to-face phenomenon?
Polarization. Pi orbitals are floppy. Ring interactions are
generally pi-stacking (e.g., herringbone-stacked acene crystals,
benzil) not face-to-edge.
--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/lajos.htm#a2
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| User: "Adam Smith" |
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| Title: Re: Molecular magnets |
24 Oct 2007 05:25:10 AM |
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Uncle Al wrote:
Adam Smith wrote:
Hello,
In polyaromatic molecules two types of interactions are observed, a
face-to-face and an edge-to-face. The former can probably be explained
by a ring current magnetic field interaction of two molecules, but how
would one explain the latter, i.e. the edge-to-face phenomenon?
Polarization. Pi orbitals are floppy. Ring interactions are
generally pi-stacking (e.g., herringbone-stacked acene crystals,
benzil) not face-to-edge.
Hi Uncle Al,
Thanks, Do you have a couple of references you can direct me to?
-- Adam --
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| User: "Timothy Golden BandTechnology.com" |
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| Title: Re: Molecular magnets |
22 Oct 2007 07:22:58 AM |
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On Oct 21, 5:19 pm, Adam Smith <adamsm...@econ.com> wrote:
Hello,
In polyaromatic molecules two types of interactions are observed, a
face-to-face and an edge-to-face. The former can probably be explained
by a ring current magnetic field interaction of two molecules, but how
would one explain the latter, i.e. the edge-to-face phenomenon?
-- Adam --
Got any links? Sounds interesting.
-Tim
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| User: "Adam Smith" |
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| Title: Re: Molecular magnets |
24 Oct 2007 07:15:39 PM |
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Timothy Golden BandTechnology.com wrote:
On Oct 21, 5:19 pm, Adam Smith <adamsm...@econ.com> wrote:
Hello,
In polyaromatic molecules two types of interactions are observed, a
face-to-face and an edge-to-face. The former can probably be explained
by a ring current magnetic field interaction of two molecules, but how
would one explain the latter, i.e. the edge-to-face phenomenon?
-- Adam --
Got any links? Sounds interesting.
-Tim
Tim,
I only learned of this anecdotally, I am asking 'Uncle Al' for
references, but no reply yet
-- Adam --
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