Tagged questions

2-Methoxybenzaldehyde

2 0 5k
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Hey everyone, I've started practicing reading NMR again after having not done so for years, and I'm getting caught up o...
Posted: John Xavier 1 / Updated: Pete Gierth 401 Jun 17 '13 at 12:06

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!

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

Relative quantification (residual solvents)

2 0 32629
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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

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

Very simple NMR question wrt resonance frequency calculation

6 0 20801
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Hi guys, I'm stuck in attempting this question and need some help understanding how to answer it. Q.) The chemical shif...
Posted: Will Whitehouse 1 / Updated: SankarampadiAravamudhan 91 Apr 02 '14 at 00:25

How to edit format of Variables in NMRPipe?

0 0 1k
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Dear all, I would like to change the number of decimal place for the X and Y ppm values in nmrdraw (peak detection). The...
Posted: Jerry J 1 Aug 18 '15 at 14:37

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

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

3 0 7k
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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 '15 at 12:11

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
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