General Remote operation of the spectrometer gives you the same control you have when physically sitting at the spectrometer computer. There is no need to be logged in and have ICONNMR running prior to remote access as required for the… Read More
The Structure Elucidation module in Topspin allows software assisted assignment of organic molecules using two dimensional COSY, HSCQ and HMBC spectra. A thorough description of all features of the module is beyond the scope of this knowledge-base entry. Links to… Read More
General Remote operation of the spectrometer through VNC (Virtual Network Computing) gives you the same control you have when physically sitting at the spectrometer computer. There is no need to be logged in and have ICONNMR running prior to remote… Read More
When started, ICONNMR will automatically start a build in webserver. A running ICONNMR session can be accessed through a web browser A VNC connection can be established to give you direct access to the console Both methods require access to… Read More
Topspin Window Locked, desktop responding If you are running automation, you may have timed out and were logged out of ICONNMR. That will also lock certain functions in the main Topspin window. Click on the [Change User] button on the… Read More
To translate a given sw and o1p to spectral limits, use leftlimit = o1p + sw/2 rightlimit = o1p – sw/2 For example, o1p = 6ppm and sw = 20ppm translates into a window of -4ppm to 16ppm. Converting a… Read More
The procedure for running two dimensional spectra follows in general the procedure for one dimensional experiments with some modifications. Preparatory experiments It is recommended to always take a proton spectrum to verify sample purity, assess concentration and later use to… Read More
The NOE (Nuclear Overhauser Effect) experiment allows for the estimation of through space proton-proton distances. The two dimensional version will capture all possible pairs of protons, but can be lengthy and lack resolution. A one dimensional version of the experiment… Read More
Deuterated solvent.typically used in NMR play several roles: Reducing Solvent signal, that otherwise may overwhelm sample signals internal calibration of ppm axis using shift of solvent signal Long term stability of field using deuterium Lock The topshim automatic shimming uses… Read More
on request I made it easier for users to download multiple selections from the Download App or the search result list of the Search and View App on the NMR lab website. I implemented the option to use the “SHIFT”… Read More