364046-03-7Relevant academic research and scientific papers
A novel dimanganese complex linked by an unusually strong hydrogen bond. X-ray structure of the hydrogen-bonded complex and ab initio calculations
Becker, Thomas M.,Bauer, Jeanette A. Krause,Bene, Janet E. Del,Orchin, Milton
, p. 165 - 170 (2001)
In an attempt to prepare the fluoro complex (CO)3(dppe)MnF (3) by treating a CH2Cl2 solution of the aqua complex [(CO)3(dppe)Mn(OH2)]BF4 (1) with NaF(aq), we isolated instead, the dimanganese complex, [(CO)3(dppe)Mn(OH2)FMn(dppe)(CO)3]BF 4 (2). The two moieties, 1 and 3, are held together by an unusually strong O-HF hydrogen bond (OF=2.458(3) ?, HF=1.52 ?) between the aqua ligand on one manganese and the fluoro atom on the other manganese. Using as a simple model the interaction between +Li(H2O) and FLi, the hydrogen bonding distance O-HF was calculated to be; OF=2.443 ?. Authentic 3 was prepared in a homogeneous system using CH2Cl2-soluble [Et4N]F.
