Unanswered questions

MAS spin counting

5 0 3k
answers votes views
Hi, We have a Bruker MAS probe (4mm, late 90s vintage, widebore) that reports a spin speed twice what it is actually doi...
w101bdk 7 Nov 13 '13 at 10:22

topshim error

2 0 9k
answers votes views
Hi everyone,I have problem on Bruker AV-500 in runing topshim. when I run topshim it give error that during raw check z ...
jen 1 Nov 07 '13 at 04:29

hsqc referencing

2 0 4k
answers votes views
Hi! I need to know how to reference nitrogen 15 from proton in a foldel hsqc experiment...I don't know how to calculate ...
sekhar Talluri 621 Nov 01 '13 at 17:46

relaxation

2 0 5k
answers votes views
how T1 and T2 relaxation time depend on nmr signal? ...
w101bdk 7 Oct 29 '13 at 07:39

Individually phase pseudo-2d DOSY spectra?

2 0 5k
answers votes views
Hello, I have a DOSY data set in TopSpin and I'd like to extract diffusion coefficients for two small peaks in the spec...
Ignacio Pérez-Victoria 1 Oct 29 '13 at 01:47

Selectively coupled 13C NMR

3 0 8k
answers votes views
Is it possible to run a 13C spectra in which one carbon is coupled (with 1H) and remaining carbons are decoupled, using ...
sekhar Talluri 621 Oct 27 '13 at 04:20

problem in opeining processed vnmr file into sparky

1 0 2k
answers votes views
hello everyone I have a problem in opening vnmr file into sparky. i have converted vnmr file into ucsf, when this file ...
surendra gupta 1 Oct 22 '13 at 00:02

topshim error: wait for event... timeout after 20 sec

2 0 5k
answers votes views
I use a Bruker Avance 400 III, when using topshim command the following error appear: 'wait for event-acquisition runnin...
ehaapani 1 Oct 07 '13 at 22:13

simulation software for small molecules, liquids

2 0 4k
answers votes views
Hi all, i'd like to hear some experiences you folks had on this theme. I wanna by a program for that. Just googling for...
ehaapani 1 Oct 07 '13 at 01:11

How to recover from quenched or dried magnet?

4 0 21788
answers votes views
We have got a donated AQR/p with Spectrospin 300 magnet and there is no helium inside. It was sitting in the warehouse f...
Jerry Hirschinger 199 Oct 04 '13 at 09:58
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