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MF Interactions and Heterobimetallics: Furthering the Understanding of Heterobimetallic Stabilization
Author(s) -
Buchanan William D.,
RuhlandtSenge Karin
Publication year - 2013
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201202030
Subject(s) - chemistry , ligand (biochemistry) , valence (chemistry) , toluene , alkali metal , europium , metal , divalent , crystallography , inorganic chemistry , organic chemistry , ion , biochemistry , receptor
Heterobimetallic complexes containing alkali, alkaline‐earth, and divalent europium metals utilizing the perfluoro‐ tert ‐butoxide (PFTB) ligand following the general formula, [AM(PFTB) 3 (co‐ligand) x ] (A=Na, K; M=Mg, Sr, Ba, Eu; co‐ligand=THF, toluene), have been isolated. These compounds sublime at low temperatures with low residual weight indicating their potential as metal–organic chemical‐vapor deposition (MOCVD) precursors. The complexes have unique molecular architectures that are strongly influenced by MF interactions, as was verified in the solid state by using X‐ray crystallography. The significance of these interactions were further reinforced by bond‐valence sums analysis and 19 F VT‐NMR spectroscopy, in which rotational energies of 18.75 and 19.08 kcal mol −1 were measured.