> Hi! there,
> I was trying very hard to run a Sn119 (II) spectrum, but nothing observed
> so far. This is the Sn(Ac)2 family. I used Sn(CH3)4 as the standard, a very
> nice singlet peak was obtained in 4 scans. However, when I put my sample
> in, and sweeped from -2000 ppm to +2000 ppm, I can not find any peak. Is
> there anyone who knows Sn(II) NMR better? Any kind of commentwill be
> helpful.
>
> Qing Ning
>
> ----------
> Qing Ning, Ph.D
>
> NMR Specialist Analytical Service Lab
> q-ning@nwu.edu Department of Chemistry
> tel. 847-491-7080 Northwestern University
> Fax 847-491-7713 2145 Sheridan Road
> Evanston, IL 60208
>
>
>
>
Hi,
I believe, that Sn-119 has a negative magnetogyric ratio. If you use
proton decoupling you might lose the signal due to the negative NOE.
Try Inverse Gated Decoupling or maybe a DEPT instead.
Juergen
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Juergen Schulte ! !
NMR Specialist U
Department of Chemistry ~
SUNY Binghamton Phone: (607) 777-4405
Binghamton, NY 13902-6016 Fax: (607) 777-4478
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schulte@binghamton.edu schulte@chemiris.chem.binghamton.edu
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