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Nuclear Magnetic Resonance Facility (NMR)

Department of Chemistry


The Chemistry Department currently houses 6 NMR spectrometers:

There are three state-of-the-art Bruker Avance III NMR spectrometers, with proton frequencies of 300, 400 and 600 MHz. They were purchased in 2012, 2011, and 2011, respectively. These are used for mainly research, but also for teaching (inorganic chemistry, physical chemistry). A short introduction to NMR spectroscopy can be found here at

Furthermore, there are 3 Anasazi Eft-60 NMR spectrometers at 60 MHz proton frequency. These were purchased in 2015 and are mainly used for undergraduate teaching such as in organic chemistry.

This NMR Facility has capabilities for solution-state, solid-state, gaseous-state, rheo, diffusion, and MRI (magnetic resonance imaging).

The purpose of the NMR facility is to serve the UW research community, other academic users, the state of Wyoming, and all other interested parties, in designing experiments, training students, analyzing data. Collaborations are encouraged that will lead to publications, proposals, and funding. If a grant proposal is submitted, it is a good idea to itemize expenses and take account of the NMR charges. Unfortunately, we are not able to offer NMR services for free. It is very expensive to run a NMR facility, in part because of the cryogen costs (liquid helium, liquid nitrogen) that have to be periodically replenished around the superconducting coils. A lot of effort has been put into keeping the prices as low as possible to facilitate research.

Access to the facility is restricted to authorized personnel. Please read the safety information here.

NMR facility personnel should be acknowledged as appropriate.

Co-authorship: NMR Facility personnel should be co-authors if they contribute ideas, analyze data, or write any portion of the paper.

Acknowledgement: NMR Facility personnel should receive acknowledgement for routine help such as running service spectra, training students, or suggesting the routine appropriate NMR experiments. Authors should inform NMR Facility personnel that they have been acknowledged.

We would like to encourage the use of these instruments as much as possible, for internal and external users. We offer different types of NMR service, including full service that includes making up the samples to NMR requirements (the samples may be submitted personally or using some type of mail service), running the experiments, processing and analyzing the data, and sending a report by email or by post. We also offer training and it is possible to register for access to the laboratory. We also want to offer NMR service for community colleges as we know that many of them do not have adequate in-house NMR machines (and not a lot of money either, but don't let this stop you from contacting us) and may want to have their students check about their progress in the chemical laboratory and make sure that their expected product was actually formed. Many of the samples can be processed the same day as they are received at the NMR laboratory. This ensures that feedback is received is a timely fashion. Please contact Dr. Alexander Goroncy to discuss your experiments.

The facility has been used for many NMR applications that include chemistry for structural determination, food analysis, plant morphology (using MRI, for example), engineering (rheology, diffusion, films, a lot of it in the solid-state), petroleum and coal (looking into rocks in order to find them, and for converting them into value-added chemicals, or for carbon dioxide capture to reduce greenhouse gases and combat climate change). Thus, there are many users throughout the university and beyond, and many collaborations. The facility assists in the implementation of specialized methods and training.

The main NMR Facility is located in the basement of the Physical Sciences building (PS 13) and is open to authorized users around the clock. Remote data access within the university is possible. Please read the operation instructions for the Bruker instruments and the operation instructions for the Anasazi instruments.

Bruker Avance III 600 MHz NMR 

The Avance III 600 is a three channel system with Z-axis gradients that is capable of performing experiments on both solids and solutions. Three probes cover a wide range of experiments.

Bruker Avance III 400 MHz NMR

The main workhorse instrument for most users. There are three solution-state NMR probes available for this instrument. It is possible to observe a wide range of nuclei, ranging from high sensitivity observation of proton, carbon, phosphorous, and fluorine to allowing observation of a large number of more exotic nuclei. This instrument is set up for rapid throughput of routine samples. It is capable of performing most modern liquid phase NMR experiments including state of the art two- and three-dimensional experiments with pulsed field gradients. It is available to departmental users to solve structural problems requiring high resolution capabilities.

Bruker Avance III 300 MHz wide-bore NMR

Several NMR probes are available for this instrument that make it especially versatile and capable of studies in solution, solid, rheo, diffusion and MRI (magnet resonance imaging).

Anasazi Eft-60 NMR

These three NMR spectrometer have proton and carbon capabilities in 1D and 2D. The proton resonance frequency is at around 60 MHz. A wide array of experiments are available and new ones are being prepared. These instruments are mainly used for undergraduate teaching.

Variable temperature operation is available on all three Bruker spectrometers. To enable the usage of very low temperature (up to 77K, liquid nitrogen), a continuous supply of dried air with very low dew point is maintained.

The three Anasazi Eft-60 NMR spectrometers employ a permanent magnet that needs to be kept at constant temperature. Although it is possible to adjust the temperature, we prefer to keep the temperature constant to avoid temperature-related drifts of the magnet.

The 300 MHz, 400 MHz, and 600 MHz NMR magnets are always at field and never turned off. They are kept in the superconducting state by liquid helium that is insulated by vacuum and liquid nitrogen. Nevertheless. a small amount of helium is boiled off continuously and recycled with a sophisticated helium recovery system.

Page created by Alexander Goroncy.

Contact Us

Chemistry Department

Department 3838

1000 E. University Avenue

Physical Science Bldg 204

Laramie, WY 82071

Phone: 307-766-4363

Fax: 307-766-2807


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