δ-Bonding modulates the electronic structure of formally divalent nd 1 rare earth arene complexes

RE MacKenzie, T Hajdu, JA Seed, GFS Whitehead… - Chemical …, 2024 - pubs.rsc.org
Landmark advances in rare earth (RE) chemistry have shown that divalent complexes can
be isolated with non-Aufbau 4fn {5d/6s} 1 electron configurations, facilitating remarkable …

The Scandium(II) Carbonyl Complex (C5H2tBu3)2Sc(CO) and Its Isocyanide Analog (C5H2tBu3)2Sc(CNC6H3Me2-2,6)

JD Queen, QE Goudzwaard, A Rajabi… - Journal of the …, 2024 - ACS Publications
Treatment of the scandium (II) metallocene Cpttt2Sc (Cpttt= C5H2tBu3) with CO or the
isocyanide CNXyl (Xyl= C6H3Me2-2, 6) yields the carbonyl complex Cpttt2Sc (CO), 1, or the …

Large-and Small-Scale Syntheses of Donor-Free Rare-Earth Triiodides from the Metals and Ammonium Iodide

CR Stennett, MR Luevano, JD Queen… - Inorganic …, 2024 - ACS Publications
Rare-earth triiodides free of donor solvents, LnI3 (Ln= Sc, Y, La–Lu), have been prepared in
quantities as high as 76 g and in yields between 72%(Sc) and 98%(La) by the reaction …

Dinitrogen reduction chemistry with scandium provides a complex with two side-on (N [double bond, length as m-dash] N) 2− ligands bound to one metal:(C 5 Me 5) …

JD Queen, A Rajabi, QE Goudzwaard, Q Yuan… - Chemical …, 2024 - pubs.rsc.org
Although there are few reduced dinitrogen complexes of scandium, this metal has revealed
a new structural type in reductive dinitrogen chemistry by reduction of bis …

Synthesis and Structure of Silyl-Substituted Bis (cyclopentadienyl) Scandium (III) Halide Complexes

JQ Nguyen, LM Anderson-Sanchez, JW Ziller… - …, 2024 - ACS Publications
Despite the importance of bis (cyclopentadienyl) scandium (III) halide complexes as
precursors in the development of scandium metallocene chemistry, relatively few examples …

Dinitrogen reduction chemistry with scandium provides a complex with two side-on (NN) 2− ligands bound to one metal:(C5Me5) Sc [(µ-η2: η2-N2) Sc (C5Me5) 2] 2

JD Queen, A Rajabi, QE Goudzwaard, Q Yuan… - Chemical Science, 2024 - Elsevier
Although there are few reduced dinitrogen complexes of scandium, this metal has revealed
a new structural type in reductive dinitrogen chemistry by reduction of bis …

When is a reported air-stable PrIV complex not a PrIV complex? Answer: when it is PrIII

Z Guo, GB Deacon, PC Junk - Journal of Coordination Chemistry, 2024 - Taylor & Francis
All the data recently reported for the purported air/water stable PrIV complex,[(L) PrIV (L) 4
(OH0. 94Cl0. 06) 2PrIV (L)] n (L= N-acetylanthranilate)[1], have been reinterpreted to show …

Room-temperature H2 splitting and N2-hydrogenation induced by a neutral Lu (II) complex

E Papangelis, L Demonti, I del Rosal, A Shephard… - 2024 - chemrxiv.org
The direct splitting of the H2 and N2 molecules are challenging reactions that are closely
related to the Haber–Bosch ammonia synthesis process. Until now, such reactivity has never …

δ-Bonding and Electron Localisation in Crystalline Divalent Rare Earth Arene Complexes

R MacKenzie, T Hajdu, J Seed, G Whitehead, R Adams… - 2024 - chemrxiv.org
Landmark advances in rare earth (RE) chemistry have shown that formally divalent
complexes can be isolated with non-Aufbau 4fn5d (dz2) 1 or 4fn {5d/6s} 1 electron …

δ-Bonding versus Electron Localization in Formally Divalent Rare Earth Complexes

R MacKenzie, T Hajdu, J Seed, G Whitehead, R Adams… - 2024 - chemrxiv.org
Herein we present a series of room-temperature stable, structurally analogous rare-earth
complexes of the form [M (NHAriPr6) 2](M= Sc, Y, La, Sm, Eu, Tm, Yb; NHAriPr6={N (H) …