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NMR Vs X ray crystal data not matching each other

2	0	423
answers	votes	views

I had a very weird situation where my compound shows double bond between carbons in NMR but shows it as single bond in x...

Posted: shanku 1 / Updated: John Hollerton 86 2 days ago

1H-NMR

Best way to make a 2D figure

2	0	294
answers	votes	views

Hi all, I need to make a figure containing a 2D NMR spectrum for a paper. Has anyone figured out a good way to do this...

Posted: wilsonmv 1 / Updated: John Hollerton 86 2 days ago

plotting 2D

Relative quantification (residual solvents)

2	0	361
answers	votes	views

Hi All, I've been trying to get a clear answer to this question for a while now, but can't seem to get a definitive ...

Posted: organicadam 1 / Updated: John Hollerton 86 2 days ago

1H-NMR qNMR

how to get a 1H-15N HMBC spectroscopy

4	0	228
answers	votes	views

hi All, I run a 1H-15N HMBC experiment on a Bruker AVANCE III 600 MHz spectrometer. But I fail to get the long- range ...

Posted: nmrqibebt 1 / Updated: Kirk Marat 653 2 days ago

1H-15NHMBC

Streaks in RDC Gel Spectrum

2	0	165
answers	votes	views

Hello all, I have used stretched polyacrylamide gels successfully many times to collect RDC data for proteins. The las...

Updated: ChemMJW 101 Dec 06 at 19:10

rdc gel hsqc protein

How to adjust the receiver gain in a deuterium oxide protein sample?

2	0	185
answers	votes	views

I am running a 15N HSQC on a protein sample which is in a 100% deuterium oxide solvent. The command rga in TopSpin gives...

Updated: norsouth 3 Dec 02 at 11:16

deuterium receiver_gain protein

"Satellite" peaks in polypeptide HSQC

1	0	112
answers	votes	views

In the decoupled HSQC of a polypetide I see two small peaks right and left to the delta arginine signal. These peaks hav...

Posted: PQdotL 1 / Updated: Pete Gierth 316 Nov 29 at 00:45

hsqc satellite

PHIP experiments

0	0	56
answers	votes	views

Dear all! I am struggling with some density matrices in PHIP experiments. I understand why the density matrix before hyd...

Posted: Elina Lisitsin 1 Nov 28 at 02:41

theory

how to do peak picking manually in VNMRJ

0	0	180
answers	votes	views

I known how to pick peaks automatically. But it always omits some small peaks and picks some noise as peaks. Is there an...

Updated: de xiao 1 Nov 27 at 08:01

peak-picking

How to exactly set integral start and end in VNMRJ

0	0	56
answers	votes	views

One can roughly set the integral start and end by left clicking in the spectra. Is there a command which let you type in...

Posted: de xiao 1 Nov 27 at 07:58

integral;VNMRJ

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