Tagged questions

NMR Vs X ray crystal data not matching each other

2 0 3k
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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 96 Dec 09 '13 at 09:57

Help solving a spectrum!

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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...
Posted: Lyra 1 / Updated: vaclavrimal 11 Aug 08 '13 at 04:44

Relative quantification (residual solvents)

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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 96 Dec 09 '13 at 09:37

Tool to extract several NMR spectra into text file format?

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Hi As a newbie in the NMR world I hope you guys can help me out with a simple Q: I have 104 1D spectra I would like to t...
Posted: Michael 1 / Updated: John Hollerton 96 Sep 10 '14 at 03:36

J-Coupling In Proton NMR

1 1 7k
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I'm currently a college student taking Organic Chem and I've no idea how to figure out the J-coupling for H-NMR and neit...
Posted: Scott 11 / Updated: Evgeny Fadeev 5771 Aug 07 '10 at 11:37

33S NMR Experiment

1 1 5k
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Dear Everyone I´d like to run 33S-NMR experiments using a Bruker NMR spectrometer at 400 MHz buy I nedd the pulse seque...
Posted: Juan_Carlos 11 / Updated: Pete Gierth 401 Jun 15 '12 at 07:53

using chenomx and missing peaks

1 0 3k
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hello, I am trying to identify and quantify of metabolites present in semen with spectra obtained from 400 MHz NMR using...
Posted: Reza mohammadi 1 / Updated: Ulrich Haunz 210 Feb 10 '14 at 01:36

How to calcualte eoors in ppm from Hz of Hsqc data?

1 0 3k
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Hi all, I want to calculate error in ppm from my Hsqc data. My spectrometer yields X1axis, Y1Axis, DX1, DY1, X1ppm, and ...
Posted: ick lad 1 / Updated: Arkadiusz Leniak 238 Mar 17 '15 at 02:10

WaterLOGSY pulse program for bruker

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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 '15 at 08:09

OH, NH, SH Labile protons in water nmr

1 0 4k
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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 '15 at 11:24
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