Research Article

Synthesis, Characterization, and Electrochemical Behaviour of Cobalt(II) and Nickel(II) Complexes with Chelating Ligand 4,4′-(Biphenyl-4,4′-diyldinitrilo)dipentan-2-one

Table 2

Mass spectrometry data of H2L, ([Co(H2L)]4+)2, [(CoCl2)2(H2L)]4+, and ([Ni(H2L)]4+)2 in the solid state.

Compound AssignmentAbundance
(%)

H2L348.2M+78
305.3(C20H21N2O)+20
248.2(C17H16N2)+10

( Co(H2L) 4+)2814.7M+10
686.4(C37H34N3O3Co2)7+27
392.2(C21H21N2O2Co)5+91
241.1(C9H14N2O2Co)5+17

(CoCl2)2(H2L) 4+608.1M+10
501.7(C22H24N2O2Co2Cl)5+18
380.1(C17H16NOCoCl2)3+63
233.1(C11H12NOCo)3+84

( Ni(H2L) 4+)2814.2M+13
599.3(C36H34N3O2Ni)5+16
393.1(C21H22N2O2Ni)5+93
316.1(C15H17N2O2Ni)5+15