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<a https://www.thestudentroom.co.uk/showthread.php?t=7467335'> Year 12s: what will be the first way you research your future options? >>
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<a https://www.thestudentroom.co.uk/showthread.php?t=7467335'> Year 12s: what will be the first way you research your future options? >>

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Inorganic Complex

What would one expect to see in a proton NMR spectrum of Zirconocene dichloride, a cyclopentadienyl complex?

http://en.wikipedia.org/wiki/Cyclopentadienyl


I got a spectrum back today for a similar complex and it doesn't look 'right', I suspect water contamination.
Xang Lee
What would one expect to see in a proton NMR spectrum of Zirconocene dichloride, a cyclopentadienyl complex?

http://en.wikipedia.org/wiki/Cyclopentadienyl


I got a spectrum back today for a similar complex and it doesn't look 'right', I suspect water contamination.


only one peak as all protons are equivalent.
Reply 2
Avatar for Kyle_S-C
Kyle_S-C
12
I think you should have a single large peak. All 10 hydrogens are equivalent unless you cool it down to stop the fluxional behaviour. We did a nickelocene thing and I don't remember anything complicated.
Reply 3
Avatar for Xang Lee
Xang Lee
OP
10
Kyle_S-C
I think you should have a single large peak. All 10 hydrogens are equivalent unless you cool it down to stop the fluxional behaviour. We did a nickelocene thing and I don't remember anything complicated.


I have a doublet and a singlet and some other background gunk.

Something isn't right.
Reply 4
Avatar for Kyle_S-C
Kyle_S-C
12
Xang Lee
I have a doublet and a singlet and some other background gunk.

Something isn't right.


What are the integrations?
Reply 5
Avatar for Xang Lee
Xang Lee
OP
10
1:1
Reply 6
Avatar for Charzhino
Charzhino
19
Something has gone wrong then since you can't get a doublet and singlet for a cyclopentadienyl structure in a 1:1 ratio

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