Why NMR can deliver angstrom reolution structures.

1 0 319
answers votes views
How can NMR operating at radiofrequency wavelengths deliver angstrom resolution? For example X-ray crystallography opera...
Posted: Anon 1 / Updated: Arkadiusz Leniak 238 Mar 17 at 01:10

Absence of some signals on 1H and 13C spectra of polyaromatic carboximidate

3 0 1k
answers votes views
Hi, I have encountered a strange behaviour of some signals (they are absent) in a series of polycyclic aromatic carboxi...
Posted: Arkadiusz Leniak 238 / Updated: zablociak 21 Mar 23 at 12:11

reading Bruker phase data

1 0 274
answers votes views
Hi all, I'm having trouble reading the 2dseq file for a scan I ran. It should contain 2 slices of 66x50 voxels, repeate...
Updated: Nicholas E 11 Mar 13 at 10:53

WaterLOGSY pulse program for bruker

1 0 897
answers votes views
Hello, I was wondering if there was a waterLOGSY sequence among the bruker sequences. If not, could someone tell me whe...
Posted: gravatar 83 / Updated: Arkadiusz Leniak 238 Mar 17 at 08:09

OH, NH, SH Labile protons in water nmr

1 0 647
answers votes views
Hello all, Just to mirror Craig Grimmer's question about labile protons in non-aqueous solvents, does anyone know of an...
Posted: gravatar 83 / Updated: Arkadiusz Leniak 238 Mar 14 at 11:24

Mechanism of chemical exchange between labile protons (OH, NH, SH)

1 0 435
answers votes views
Hello All Does anyone know of any good articles dealing with the mechanisms of labile proton exchange in non-aqueous so...
Posted: Craig Grimmer 41 / Updated: gravatar 83 Mar 09 at 02:28

Topshim error

2 0 532
answers votes views
HELLO all nmr wikier,I am facing problem in runing topshim on bruker 500Mhz using topspin 2.1 it finishes with error (fi...
Posted: feroon 21 / Updated: Jim Lin 1 Mar 31 at 06:19

noisy hmqc and hmbc spectra

2 0 536
answers votes views
Hey all! We've got a serious problem because with our new probe (5mm bbo bruker) the t1 noise in the heteronuclear corr...
Posted: apophis 1 / Updated: Pete Gierth 401 Feb 25 at 14:06

Choice of relaxation delay time (d1) in 2D experiments.

1 0 460
answers votes views
Hi, Most people tend to use a lower d1 for 2D than for 1D. Help me understand why. Furthermore, supposing you know you...
Updated: gravatar 83 Mar 09 at 02:21

log: Failed to find Z0 - low s/n

2 0 364
answers votes views
Hi, everybody! I met a problem on Varian 400 MR: DMSO samples don't lock by "find Z0" button, but I can find lock signal...
Posted: Ilya N 1 / Updated: Ulrich Haunz 247 Mar 09 at 09:18
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