373(7)Å]. The corresponding nickel(III) complexes may be generated by Co3+(aq) oxidation in aqueous media or NO+ in non-aqueous media. Electron spin resonance measurements are consistent with an octahedral d7 on with the spectra obtained being sensitive to the nature of the nuclei in the sixth site. The kinetics of reduction of the nickel(III) macrobicyclic ligand complex and its thiatetraaza and pentaaza
大双环配合物[NiL 1(ClO 4)] ClO 4(L 1 = 15-氧杂-1,5,8,12-四
氮杂双环[10.5.2]
十八碳烯)和单环前体[NiL 2(NCMe)] [ClO 4 ] 2,制备了[L 2 = N,N'-双(3-
氨基丙基)-1-氧杂-4,7-二氮杂
环壬烷],并确定了它们的晶体结构:[NiL 1(ClO 4)] ClO 4,空间组P 2 1 / n,a = 13.580(6),b = 15.400(8),c= 10.418(4)Å,β= 97.91(2)°,Z= 4,R= 0.067,R ′= 0.069;[NiL 2(NCMe)] [ClO 4 ] 2,单斜,空间群Cc,a = 9.182(1),b = 19.859(3),c = 12.903(2)Å,β= 100.99(1)°,Z= 4,R= 0.063,R ′= 0.065。在这些物种中的每一个中,络合的阳离子与醚氧