Electronic spectra have been recorded for a series of octahedral compounds [M(bipy)2X2] and [M(bipy)2X2]X′, where M = Fe, Ru, and Os, X,X′= Cl, Br, and I, and X2= 2,2′-bipyridyl. Certain of the electronic spectral bands have been assigned to metal-oxidation and metal-reduction spectra. Shifts in these bands have, in some cases, been correlated with the bonding between metal and ligand.
                                    已记录了一系列八面体化合物[M(bipy)2 X 2 ]和[M(bipy)2 X 2 ] X'的电子光谱,其中M = Fe,Ru和Os,X,X'= Cl, Br,I和X 2 = 
2,2'-联吡啶基。某些电子光谱带已分配给
金属氧化和
金属还原光谱。在某些情况下,这些谱带的变化与
金属和
配体之间的键合有关。