From: A new insight of structures, bonding and electronic properties for 6-mercaptopurine and Ag8 clusters configurations: a theoretical perspective
Complexes
Donor → acceptor
E(2)/(kJ/mol)
C5
LP[S(10)] → LP*[Ag(11)]
101.25
C2
CR[S(10)] → LP*[Ag(11)]
25.98
92.76
LP[Ag(1)] → BD*[S(10)–Ag(11)]
13.14
C3
LP[N(9)] → LP*[Ag(11)]
57.66
C8
50.38