Upcoming Events

Tuesday, March 26, 2019

11:00 AM to 12:00 PM Meeting - MoSE 3201A - Faculty Meeting
No information available.

Thursday, March 28, 2019

04:00 PM to 05:00 PM Special Seminar - MoSE 3201A - Prof Jaeyeon Kim
TBD
No information available.

Tuesday, April 02, 2019

07:30 PM to 08:30 PM Special Seminar - TBD - Prof John Baez
Mathematical Mysteries of the Periodic Table
Frontiers in Science Lecture Series

Tuesday, April 16, 2019

11:00 AM to 12:00 PM Meeting - MoSE 3201A - Faculty Meeting
No information available.

Thursday, April 18, 2019

07:30 PM to 08:30 PM Special Seminar - TBD - Sam Kean, author
The Periodic Table: A Treasure Trove of Passion, Adventure, Betrayal, and Obsession
Frontiers in Science Lecture Series
07:30 PM to 08:30 PM Special Seminar - MoSE 3201A - Sam Kean, Author
The Periodic Table: A Treasure Trove of Passion, Adventure, Betrayal, and Obsession
No information available.

Thursday, April 25, 2019

11:00 AM to 12:00 PM Special Seminar - MoSE 3201A - Prof Joshua Telser
Synthetic, spectroscopic, and computational studies of tetraketimide complexes of nd block ions.
The ketimide ligand, [N=CR2]-, has proven adept at stabilizing high oxidation states, both for f block[1] and d block[2] ions, including Cr(IV), Mn(IV), Fe(IV), and Co(IV). DFT and ab initio calculations (CASSCF and NEVPT2 methods) reveal that the ketimide ligand is a strong s- and p-donor, able to satisfy the 4+ charge of an M(IV) ion, but is also a good p-acceptor. This unusual combination is made possible by the presence of a p-donating nitrogen lone pair and a p-accepting C=N anti-bonding orbital. We describe the synthesis and characterization of Group 5 complexes, M(N=CtBu2)4 (M = V, Nb, Ta). The structure of V(N=CtBu2)4 is shown below and exhibits a squashed tetrahedral geometry. Further experiments combined with calculations on this series, and on other M(N=CtBu2)4 complexes, explain their structures, magnetic susceptibility behavior, and their EPR and 57Fe M?ssbauer spectroscopic properties. References [1] J. L. Kiplinger, et al. Organometallics 2002, 21, 3073. [2] R. A. Lewis, et al. Chem. Commun. 2013, 49, 2888. References [1] J. L. Kiplinger, et al. Organometallics 2002, 21, 3073. [2] R. A. Lewis, et al. Chem. Commun. 2013, 49, 2888.

Tuesday, May 21, 2019

11:00 AM to 12:00 PM Meeting - MoSE 3201A - Faculty Meeting
No information available.

Thursday, September 12, 2019

07:30 PM to 08:30 PM Special Seminar - MoSE 3201A - Monica Halka
The Elusive End of the Perodic Table: Why Chase It?
TBD

Tuesday, November 12, 2019

07:30 PM to 08:30 PM Special Seminar - MoSE 3201A - Margaret Kosal
Topic: politics and economics of elements sourced from geopolitically unstable regions of the world
TBD

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