In Brief

Work in our group targets synthetic inorganic chemistry, with the primary goal being to make, purify, and study molecules and materials that are interesting by virtue of their unusual structures and chemical reactivity.


You can find more information on who we are and what we do by clicking the links on people, research, and papers above.


Need more information on research or positions in the group? Click on Contact to send an email.


Group meetings are generally held on Friday from 2.30-4 in 433 Latimer. See Calendar for details.


Mark's bridging nitride paper published in Inorg. Chem.

"Amidinate Supporting Ligands Influence Molecularity in Formation of Uranium Nitrides"

April 2021

Dr. Franck Ulm joins the group as a postdoctoral researcher!

January 2021

We welcome first year graduate student Sheridon Kelly to the group! 

November 2020

Mark's nuclear forensics review appears in a special issue of Analytical Chem!

"Recent Advances in Nuclear Forensic Chemistry"

September 2020

More Re! EPR paper in JACS now published

"Electronic Structures of Rhenium(II) β‐Diketiminates Probed by EPR Spectroscopy: Direct Comparison of an Acceptor-Free Complex to Its Dinitrogen, Isocyanide, and Carbon Monoxide Adducts"

July 2020

Michael's latest bulky Cp paper just appeared

"Uranium Metallocene Azides, Isocyanates, and Their Borane-Capped Lewis Adducts"

May 2020

Michael's uranium molecular square paper published

"Lewis acid capping of a uranium(V) nitride via a uranium(III) azide molecular square"

March 2020

Joe's U silylene paper published! 

"Synthesis and Structure of Uranium‐Silylene Complexes"

January 2020

Michael's latest uranium metallocene chemistry with bulky Cp's

"Structural, Electrochemical, and Magnetic Studies of Bulky Uranium(III) and Uranium(IV) Metallocenes"

November 2019

Trevor's paper on (BDI)Re reactivity published

"H2 Activation and Direct Access to Terminal Nitride and cyclo-P3 Complexes by an Acceptor-Free Rhenium(II) β-Diketiminate"

September 2019

Welcome to our newest undergraduate group member, Anukta Jain!

Anukta will work with graduate student Jade on group 5 chemistry.

May 2019

The Arnold group wins the UC Berkeley lab safety award!

Lab safety coordinators and graduate students Michael Boreen and Trevor Lohrey accepted the award for the group.

February 2019

Sheridon wins a NEUP Fellowship! Congratulations!

U.S. Department of Energy announces education awards for the next generation of nuclear scientists and engineers.

April 2021

Brighton's paper on fluorinated Li aryls published

"Perturbation of 1JC,F Coupling in Carbon–Fluorine Bonds on Coordination to Lewis Acids: A Structural, Spectroscopic, and Computational Study"

November 2020

Latest Nb imido chemistry appears in Chem. Sci. 

"1,2-Addition and cycloaddition reactions of niobium bis(imido) and oxo imido complexes"

October 2020

Congratulations, Dr. Michael Boreen!

Michael received his Ph.D. in August 2020, and is now a joint postdoctoral scholar in the Katz and Arnold groups.

Latest Re chemistry just published in Inorg. Chem.

"Diverse Reactivity of a Rhenium(V) Oxo Imido Complex: [2 + 2] Cycloadditions, Chalcogen Metathesis, Oxygen Atom Transfer, and Protic and Hydridic 1,2-Additions"

July 2020

New Re paper from Trevor and Emmanuel

"Facile Activation of Triarylboranes by Rhenium(V) Oxo Imido Complexes"

April 2020

Trevor and Jade's Re tautomerism communication published

"Electron acceptors promote proton–hydride tautomerism in low valent rhenium β-diketiminates"

March 2020

New imido chemistry review published, joint with Mashima and Tonks groups

"Reactivity of terminal imido complexes of group 4–6 metals: Stoichiometric and catalytic reactions involving cycloaddition with unsaturated organic molecules"

January 2020

New paper from a collaboration with the Sessler group

"In-Plane Thorium(IV), Uranium(IV), and Neptunium(IV) Expanded Porphyrin Complexes"

October 2019

Inorg. Chem. paper from Bernard

"α-Diimine-Niobium Complex-Catalyzed Deoxychlorination of Benzyl Ethers with Silicon Tetrachloride"

September 2019

New thorium chemistry from Nick and Angie

"Dioxygen reacts with metal–carbon bonds in thorium dialkyls to produce bis(alkoxides"

March 2019

Old news! 

For news items prior to 2019, please see our publication list, as well as our alumni page. 

Erik's Re paper is live!

"σ or π? Bonding interactions in a series of rhenium metallotetrylenes" 

January 2021

First year graduate student David Hales joins the group!


November 2020

Michael's low valent uranium perspective published

"The synthesis and versatile reducing power of low-valent uranium complexes"

October 2020

Michael's joint work with Stephan and Oliver now published

"Isocyanide adducts of tri- and tetravalent uranium metallocenes supported by tetra(isopropyl)cyclopentadienyl 


August 2020

And a second one today from our collaboration on actinide chemistry with the Hohloch group

"Structure and magnetism of a tetrahedral uranium(III) β-diketiminate complex"

May 2020

Congrats to Jacob and Chris, both of whom were awarded NEUP Fellowships today!

U.S. Department of Energy announces education awards for the next generation of nuclear scientists and engineers.

April 2020

Sandra You joins the group as an undergraduate researcher!

Sandra will work with graduate student Joe. Welcome, Sandra!

March 2020

New Re N2 chemistry from Trevor

"Controlling dinitrogen functionalization at rhenium through alkali metal ion pairing"

December 2019

Jade's paper on tantalum hydrides in Chem. Comm.

"Structural diversity in multinuclear tantalum polyhydrides formed viareductive hydrogenolysis of metal–carbon bonds"

October 2019

Congrats to Mary, who just graduated with her PhD!

June 2019

Michael and Trevor's trefoil sandwich compound published

"A Uranium Tri-Rhenium Triple Inverse Sandwich Compound"

March 2019

© 2020