Unanswered questions

Excitation bandwidth for a shaped pulse

3 0 14160
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Hi all, I have a small question on excitation bandwidth for shaped pulses. In many of the literature, the field strength...
Pete Gierth 401 Sep 30 '13 at 14:35

Macro available that can determine the standard deviation of the spectral noise for a many similar 2D spectra

0 0 2k
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Hi ! I need a macro that can determine the standard deviation of the spectral noise for a many similar 2D spectra. I h...
Troels E. Linnet 1 Sep 16 '13 at 05:13

g03defaults in gaussian 09

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Hi, I am using gaussian 09 to simulate proton NMR and I am comparing my results with the ones published here: Atieh, Z...
LFF 1 Aug 16 '13 at 04:09

2D 103Rh frequency wrong

1 0 4k
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I have run a 1H-103Rh HMQC on [Rh(acac)(cod)] and found the chemical shift of the 103Rh to be -7023 ppm. The frequency ...
Linette Bennie 1 Aug 13 '13 at 05:29

Reset F1 axis (Bruker)

1 0 3k
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Hi all, I have a 2D Bruker dataset that took a while to acquire, so I'd rather not simply repeat it. However, it seems...
wilsonmv 1 Aug 11 '13 at 22:12

Gradient settings in an experiment

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how do we decide on power levels and lengths of purge gradients in a new experiment?...As for coherence selection, relat...
nmr2rmn 3 Aug 09 '13 at 14:58

proton decoupled of 14N

2 0 5k
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Hi everyone, Has someone tried to run proton decoupled of 14N? How long should be the 14N decoupling pulse? I had some ...
Tony Bielecki 131 Aug 09 '13 at 05:55

Help solving a spectrum!

2 0 3k
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Can someone please help me solve an nmr problem? I've tried a lot but can't get it. Please post ur email and i'll send y...
vaclavrimal 11 Aug 08 '13 at 04:44

S/N increases then decreases in 2D HMBC-type experiment

2 0 3k
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Hello All Does anyone have any ideas on why the S/N would increase and then degrade during an HMBC-style experiment? I...
Scott Robson 156 Aug 02 '13 at 08:42

The echo trajectory for spin 3/2

0 1 1k
answers votes views
For spin ½ The echo trajectory M(t ) fits well to the function : M (t) =M0 * EXP (-t/T) * COS (pi * j * t) (t: sp...
ghNMR 11 Jul 26 '13 at 08:36
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