Hi Piotr
If the second channel is not required when starting from a parameter set
like "C13CPD", you can also call "edasp" and set the 2nd channel to "off"
instead of "1H".
Kind regards,
Craig.
On Wed, 17 Sept 2025 at 17:11, Thomas K Weldeghiorghis via groups.io wrote:
> Hi Piotr,
> The way you did it is “kosher” if there isn’t a Bruker-provided parameter
> set for the nucleus you’re trying to observe. If you don’t need
> 1H decoupling, you can start with *C13CPD* and change the pulse program
> from *zgpg30* to *zg*, which eliminates the proton channel and the need
> to set the decoupler power to zero.
> Setting up 11B is even easier because TopSpin comes with a parameter set
> called * B11ZG*, which is configured for a single-pulse 11B experiment
> with no decoupling and reasonable default values for *o1p* and *sw*.
> Thanks,
> Thomas
>
> Thomas K. Weldeghiorghis, Ph.D.
> Director, NMR Facility
> Department of Chemistry
> Louisiana State University
> 232 Choppin Hall
> Baton Rouge, LA 70803
> 225-578-5346
>
> ------------------------------
> *From:* main_at_ammrl.groups.io on behalf of Piotr Dobrowolski via groups.io
> *Sent:* Monday, September 15, 2025 12:57 PM
> *To:* main_at_ammrl.groups.io
> *Subject:* [AMMRL] Topspin 4.5.0 observing X-nuclei like 11B
>
> Dear Topspin Users,
> New Bruker user with no Topspin experience.
> I tried to run 11B observed experiment (Bruker engineer has done 11B
> nucleus setup during spectrometer installation). In order to do that I
> loaded C13CPD parameters and changed NUC1 to 11B. When I tried to turn off
> proton decoupling I set PLW2, PLW12, and PLW13 powers to 0 W. Both
> experiments appeared to work OK and I only got an error message when
> processing (I guess something related to spectrum referencing - solvent
> table?).
> My question: is this a "kosher" way of running such experiment in Topspin?
> Maybe there is a much easier method for setting it up?
> Thank you,
> Piotr
>
>
>
>
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Received on Sat Sep 20 2025 - 06:19:26 MST