Solid-state NMR: Varian VNMRS 400 MHz NMR Spectrometer

Contact: kirill.levin [at] mcgill.ca (Kirill Levin) - Location: OM35

Use the McGill NMR booking system to book time

Documentation - Training - Rates

Applications (solid-state NMR)

• direct polarization and cross-polarization for ¹³C, ¹⁵N, ³¹P, and other spin-half nuclei in rigid and disordered systems
• direct polarization and/or MQMAS and/or WURST-CPMG for many quadrupolar half-integer spins
• deuterium lineshapes

Console and magnet

Varian VNMRS 400 (two-channel, VT) with shielded Magnex widebore magnet (both installed 2009).

Probes

• 4 mm Varian Chemagnetics T3: up to 17 kHz MAS, ¹H-¹⁹F/¹⁵N-³¹P, ca. 50-80 mg sample
• 7.5 mm Chemagnetics T3: up to 5 kHz MAS, ¹H-¹⁹F/¹⁵N-³¹P, ca. 300 mg sample
• Static wideline Chemagnetics T3: 5 mm coil, ¹H-¹⁹F/¹⁵N-³¹P

Booking rule

• Up to three days at a time per week, unless otherwise agreed with Kirill or if spectrometer is clearly unused

Notes

• Always run a chemical shift / sensitivity standard before running your sample
• Always fill in rotor logbook and calendar