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1. Syntheses and characterizations of iron complexes of bulky o -phenylenediamide ligand

   https://doi.org/10.1039/D0DT02087G  

   Liang, Qiuming; Lin, Jack H.; DeMuth, Joshua C.; Neidig, Michael L.; Song, Datong (September 2020, Dalton Transactions)

   null (Ed.)

   We report the syntheses of a family of tetrahedral iron complexes bearing a bulky redox active o -phenylenediamide ligand. The electronic structures of these complexes have been investigated by Mössbauer spectroscopy, magnetic susceptibility measurements, and X-ray crystallography. 

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2. Bis(catecholato-κ ² O , O ′)bis(dimethyl sulfoxide-κ O )titanium(IV)

   https://doi.org/10.1107/S2056989022002638  

   Hewage, Nisansala; Mastriano, Carolyn; Brückner, Christian; Zeller, Matthias (April 2022, Acta Crystallographica Section E Crystallographic Communications)

   Bis(benzene-1,2-diolato-κ 2 O , O ′)bis(dimethyl sulfoxide-κ O )titanium(IV), [Ti(C 6 H 4 O 2 ) 2 (C 2 H 6 OS) 2 ], crystallizes with two crystallographically independent molecules in the space group P 2 1 / c emulating orthorhombic Pbca symmetry (β = 90.0445 (9)°]. The two molecules are related by pseudo-glide symmetry, broken by modulation of each one catecholate and dimethyl sulfoxide (DMSO) ligand. Twinning by pseudomerohedry was observed [twin ratio 0.5499 (7):0.4401 (7)]. Complex 3 was obtained by heating of diprotonated titanium tris-catecholate precursor 2 H in DMSO, by formal displacement of a catechol molecule by two DMSO molecules. Complex 3 is just the second heteroleptic, mono-nuclear, neutral bis-catecholate complex with TiO 6 metal coordination, the only other one being its bis-DMF analogue 6 . The two molecules of 3 exhibit a distorted octahedral geometry. The geometry and distortions from ideal symmetry of 3 are discussed and compared to 6 and to cationic tris-catecholate titanium complexes. 

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3. Synthesis and Ethylene Reactivity of Dinuclear Iron and Cobalt Complexes Supported by Macrocyclic Bis(pyridine-diimine) Ligands Containing o -Terphenyl Linkers

   https://doi.org/10.1021/acs.organomet.0c00211  

   Reinhart, Erik D.; Jordan, Richard F. (July 2020, Organometallics)
4. Iron Acquisition in Mycobacterium tuberculosis

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   Chao, Alex; Sieminski, Paul J.; Owens, Cedric P.; Goulding, Celia W. (September 2018, Chemical Reviews)
5. Correlation between Structure, Chemistry, and Dielectric Properties of Iron-Doped Gallium Oxide (Ga _2–x Fe _x O ₃ )

   https://doi.org/10.1021/acs.jpcc.8b07921  

   Roy, Swadipta; Mallesham, B.; Zade, Vishal B.; Martinez, Abraham; Shutthanandan, V.; Thevuthasan, S.; Ramana, C. V. (November 2018, The Journal of Physical Chemistry C)