The most common 2D experiments on the automated systems work best if you choose the one whose names end in “-opt”; these experiments examine a preliminary PROTON8 experiment and reset the 1H spectrum window in the 2D so you get the best resolution. It’s very easy to set up, but things can go wrong if you make changes or decide you need a 2D after the 1H 1D has already been acquired. Here are some tips for success.
Tweaks have been made to all default 1H and 13C 1D and 2D experiment parameter sets so they have been tested as effective and are the same on all spectrometers. If you have a 10mg properly-prepared sample, you are assured of getting good data using default parameters with these experiments no matter which instrument you use.
The new 400-2 is ready for use! With this upgrade, the spectrometer has transformed into an automated high-throughput engine for routine data acquisition. “Routine” now includes a variety of standard 2D experiments, plus 1D experiments for a growing assortment of NMR-active nuclei.
Major events took place in Week 1 of reopening, including a number of hardware and software upgrades to NMR systems. For Week 2, expect to continue using 400-1 for routine work. Other systems are actively being configured and upgraded in various ways, so please be patient.