The EPR detection of the formation of two tetrahologeno Re-VI (5d(1))
complexes containing a nitrogen bridge 'Re-N-E' (E=C+(C6H5)(3)) is des
cribed. Their EPR parameters are compared to those of the [ReNX4](-) (
X = Cl, Br) parent complexes; spin-density changes are discussed. (C)
1998 Elsevier Science S.A. All rights reserved.