Andrei S. Batsanov, Andrew Beeby, James I. Bruce, Judith A. K. Howard, Alan M. Kenwright and David Parker
Cationic chiral Yb and Eu tetra-amide complexes, have been studied by VT NMR, luminescence and crystallography: the rate of dissociation of water is about 500 times faster at Yb than at the square antiprismatic Eu centre.