Tetranuclear Hydroxo Complexes of Rare-Earth Elements with the Cubane Core as Products of Self-Controlled Hydrolysis

Abstract Tetranuclear hydroxo complexes [La 4 (Deta) (OH) (Tfa) 3 (DetadcH) 2 ](HTfa)(H O) 7 ( I ) and [Nd ](H n II with diethylene- N , ′-dicarbamate anions (DetadcH – are synthesized for the first time by reactions of lanthanum trifluoroacetate neodymium a solution diethylenetriamine in air under self-controlled hydrolysis conditions characterized X-ray diffraction, powder IR spectroscopy, elemental analysis. Compounds contain same-type complex cationic fragment cubane metal–oxygen core stabilized due to four chelate Deta ligands two bridging DetadcH ligands. The DFT calculations geometry vibrational spectrum ] 3+ cation performed.