Tagged questions

h2bc experiment

2 1 4k
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Hello nmr wikier I want to run pulprog h2bcetgpl3 on bruker instrument using adiabiatic shape pulse crp60comp.4 I determ...
zablociak 21 May 30 '14 at 13:21

J-Coupling In Proton NMR

1 1 5k
answers votes views
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...
Evgeny Fadeev 5771 Aug 07 '10 at 11:37

Setting up J-HMBC experiment (hmbcetgpjcl2nd)

1 1 12064
answers votes views
Hi, i'm trying to set a J-HMBC experiment to measure coupling constant J2-J3 CH (hmbcetgpjcl2nd) to determine stereochem...
Evgeny Fadeev 5771 Jul 12 '10 at 13:50

What is the origin of positive and negative coupling constants in NMR?

1 2 17825
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When positive and negative coupling constants occur in NMR? and why? What are the spin states of the nuclei and the bond...
sekhar Talluri 621 Jun 13 '10 at 05:47

Is there a way to measure scalar coupling when lines are broad?

1 1 3k
answers votes views
Hello, we have a peptide where amide peaks are broad and there is no hint of observable coupling with HA protons (no dis...
jkurutz 131 Mar 16 '10 at 14:59

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