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Difference between 13C edited and 13C resolved NOESY

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Hii, I want to know the difference between 13C edited and 13C resolved NOESY and also tell me about the applicati...
Posted: ashu 1 May 15 at 23:58

Calculating NOESY intensities from X-ray crystal structure

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Hi folks, Has anyone calculated NOESY intensities from a X-ray crystal structure? CORMA program calculates. But have an...
Posted: nmrspin 1 May 10 at 11:39

sign up for NMR wiki

2 1 108
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Hi! I have a problem signing up at the NMR wiki. I am met with this screen. There is no user creation possibility. ...
Posted: Troels Linnet 21 / Updated: Evgeny Fadeev 5371 May 15 at 18:21

what is hard and soft pulse and its usage

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what is hard and soft pulse and its usage ...
Posted: akkhi 1 / Updated: mirage 1 Apr 28 at 05:43

how to simulate the impression of excitation of cpmg

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Hi? recently I try to use the bloch equation to simulate the magnetization M's variation, i used the perfect 90-degr...
Posted: da hsu 1 Apr 18 at 18:51

Why is HNCO the most sensitive Spectrum?

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I would like to know where the advantages of the HNCO spectrum stem from. I read that it is the most sensitive multi-D ...
Posted: nmrguy 3 / Updated: Bharathwaj 96 Apr 19 at 07:59

problem in software

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Hi.we have a 500MHz AVANCE-bruker but unfortunatly it's has been quenched.our konsole has been off for about 6 month and...
Posted: shokoufeh karimnia 1 / Updated: John Hollerton 86 Apr 16 at 07:57

How to implement phase cycles into Bruker pulse sequences

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Hi, I have been trying to implement some pulse sequences from literature into Bruker format. However, when it comes to t...
Posted: nmrman 1 / Updated: Jana 31 Apr 14 at 21:11

WEFT water suppression on Varian?

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I am working with carbohydrates and in 1D NMR we have anomeric protons very close to the HOD peak, sometimes even right ...
Posted: ssvanleeuwen 1 / Updated: Bharathwaj 96 Apr 27 at 08:32

How do you list H-bonds in pymol?

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Hi there, I am trying to compare the H-bonds in two NMR strcutures. So, I need to calculate H-bonds with a cutoff 2.5 ...
Updated: dummy2 1 Apr 05 at 07:08

Bruker Minispec mq40. What is the daily check sample?

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Hello all, Our daily check sample for the Minispec mq40 has been decreased in volume due to probably evaporation!! An...
Posted: Amin os 43 / Updated: Xenia Tombokan 1 Apr 11 at 08:43

Varian FIDs ordering: Inner and outer loop in the sequence(Rance-Kay & States)?

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Dear all, I am new to NMR and I have difficulty understanding the ordering of FIDs, e.g. if an experiment uses both Ran...
Updated: nmr2rmn 1 Mar 27 at 02:12

Bruker & Varian phase correction parameters

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Hi, I am an undergraduate student who is doing a chemistry/computing project. I have chosen to write a simple C program...
Updated: Jean Davidson 1 Mar 30 at 12:23

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I am trying to run a Ghsqc on a 400Mhz Varian NMR. Once I start the acquisition I get, PSG error "cant find W40_ASW8332....
Posted: pmbattles 1 / Updated: Andrew Fowler 61 Mar 26 at 06:41

Concentration-dependent signal fine splitting

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Hi, I have synthesized coproporphyrin II tetramethyl ester and taken a 1H NMR in CDCl3: http://illumina-chemie.de/uplo...
Posted: Jan Hartmann 33 / Updated: Gareth Morris 51 Mar 19 at 02:54

Gsim 2D transformation (TopSpin)

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Hello. Anybody can use Gsim for 2D liquid spectra transformation? I can not transform correctly the TopSpin .ser files....
Posted: Attila 1 / Updated: Ulrich Haunz 91 Mar 11 at 01:51

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I am trying to set up a 3d 1h detected exp in solid. working on 700 MHz spectrometer,with a 3.2 mm probe. normal zg on 1...
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Tilted counters in 2D spectrum

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Hi, I recently run 195Pt-1H HMBC from one platinum compound with phosphorous and methyl group, unfortunately the counte...
Posted: Hamidreza Samouei 11 / Updated: Ulrich Haunz 91 Feb 21 at 01:31

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Ok, let's face it. I don't know what I'm doing. I'm a separations chemist running our NMR. sigh. Anyway, I have been co...
Posted: CaymanDave 11 / Updated: Ulrich Haunz 91 Feb 21 at 01:41

Which minimum distance between two magnets?

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Dear all, how do you determine the minimum distance between two high-field magnets? Is it that their 5-gauss lines mus...
Posted: oxy 31 / Updated: John Hollerton 86 Apr 22 at 05:56

spinning problem on varian probe

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We are using a Varian300autoSW probe, which had previously worked well with no problems spinning samples. We had switche...
Posted: quinn best 1 / Updated: Ulrich Haunz 91 Jan 25 at 06:52

topspin peak list file format

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I am trying to parse a "peaks" file (generated by topspin) and convert it from binary to ascii, but couldn't find its fi...
Posted: badgerNMR 1 / Updated: John Hollerton 86 Apr 16 at 08:13

Error in intergration of NMR peaks

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I have a question regarding the quantification of the error in peak integrals due to noise. I have a series of spectra ...
Posted: Daan 11 / Updated: Jerry Hirschinger 123 Feb 18 at 13:23

Relaxation time of adenine H2

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Could anyone tell the reason why adenine h2 has a longer T1 and T2 than the other prontons in nucleic acid? It would be ...
Updated: yuan 1 Jan 13 at 22:36

What is the meaning behind coalescense of unequal population exchange

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Is is an average k? And how could we extract the k of forward and backward reaction? ...
Posted: Kiu Chor Sham 11 / Updated: Dmitry Mainichev 31 Jan 16 at 19:53

how to calculate second moment from fid data

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I want to get second moment from fid data. Does anyone know how to do it or is there any free computer program solving s...
Updated: Minghui Zhang 3 Jan 08 at 06:49

Lock 'lost' on Bruker 400MHz NMR

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I had just finished refilling the nitrogen and powering up the NMR after the holiday shutdown and went through the norma...
Posted: Norman Chu 11 / Updated: Roja 26 Jan 07 at 16:11

lose the lock

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Recently the TOPSPIN always popup a windows "L-TRX board overtemperature error occurs" Then the lock is lost, and the lo...
Updated: Roja 26 Jan 07 at 15:58
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