Nabhendu

Proud to be Part of the Great Collaborative Team. Our Team has been awarded the Royal Society of Chemistry Dalton Horizon Prize 2025.
Special thanks to Larry-the Iron man, Marcel and Alex.
@rsc.org

Check our latest work about 10-Fold Increase in Hydrogen Atom Transfer Reactivity for a Series of S = 1 FeIV=O Complexes Over the S = 2 [(TQA)FeIV=O]2+..by @marcelswart.bsky.social in collaboration with Y. Guo and L. Que Jr. in JACS

#NewPaper @univgirona.bsky.social

www.udg.edu/ca/instituts...

Congratulations @rahuldjana.bsky.social and team 🎉

Dick taught Chem 40 (inorganic chem) when I was an undergrad and my favorite thing about that course was it was the first one I took at Harvard where everyone really wanted to be there. Great educator.

Thank you

Enhanced Proton-Coupled Electron-Transfer Reactivity by a Mononuclear Nickel(II) Hydroxide Radical Complex The synthesis, characterization, and reactivity of a NiOH core bearing a tridentate redox-active ligand capable of reaching three molecular oxidation states is presented in this paper. The reduced complex [LNiOH]2– was characterized by single-crystal X-ray diffraction analysis, depicting a square-planar NiOH core stabilized by intramolecular H-bonding interactions. Cyclic voltammetry measurements indicated that [LNiOH]2– can be reversibly oxidized to [LNiOH]− and [LNiOH] at very negative reduction potentials (−1.13 and −0.39 V vs ferrocene, respectively). The oxidation of [LNiOH]2– to [LNiOH]− and [LNiOH] was accomplished using 1 and 2 equiv of ferrocenium, respectively. Spectroscopic and computational characterization suggest that [LNiOH]2–, [LNiOH]−, and [LNiOH] are all NiII species in which the redox-active ligand adopts different oxidation states (catecholate-like, semiquinone-like, and quinone-like, respectively). The NiOH species were found to promote H-atom abstraction from organic substrates, with [LNiOH]− acting as a 1H+/1e– oxidant and [LNiOH] as a 2H+/2e– oxidant. Thermochemical analysis indicated that [LNiOH] was capable of abstracting H atoms from stronger O–H bonds than [LNiOH]−. However, the greater thermochemical tendency of [LNiOH] reactivity toward H atoms did not align with the kinetics of the PCET reaction, where [LNiOH]− reacted with H-atom donors much faster than [LNiOH]. The unique stereoelectronic structure of [LNiOH]− (radical character combined with a basic NiOH core) might account for its enhanced PCET reactivity.

We do Ni too! Please check this article in which our awesome UG student Daniel Ye describes the synthesis, characterization and PCET reactivity of a mononuclear NiOH system in three oxidation states (with @marcelswart.bsky.social ). Enjoy!!!
pubs.acs.org/doi/10.1021/...

Stay tuned to Que lab and @marcelswart.bsky.social for another 15-20 exiting Iron oxos in 2025. Those are currently dancing in the extied state in Marcel computer and doing HAT probably.
#ChemSky
#Happyholidays

My Another Paper from Que lab is out in JACS today. When I started putting the cyclohexyl group we had no idea what was going on there. Thank you Abhishek and @marcelswart.bsky.social for all the hard work to publish in the JACS.
#ChemSky
#JACS
@acspublications.bsky.social

Coming soon series of Iron oxos...

As Bluesky is rapidly emerging as the new online gathering place for chemists (and the scientific community in general), I tried making an INORG CHEM starter pack!
go.bsky.app/9jrY6wU

If your research involves inorganic chemistry of any flavor and I've missed you, please lmk.