Systematic comparison of the structure of homoleptic tetradentate N2O2-type Schiff base complexes of tetravalent f-elements (M(IV) = Ce, Th, U, Np, and Pu) in solid state and in solution. - Radoske T; Kloditz R; Fichter S; März J; Kaden P; Patzschke M; Schmidt M; Stumpf T; Walter O; Ikeda-Ohno A (Dalton transactions (Cambridge, England : 2003), 2020)