Diverse Ag(I) complexes constructed from methyl-4-(5-halopyrimidin-2-ylcarbamoyl)benzoate ligands: roles of the halogen atom and anion

摘要: The synthesis and structures of eight new silver(I) complexes [Ag(L1111)(NO3)]∞ (L1111 = methyl-4-(pyrimidin-2-ylcarbamoyl)benzoate), 1, [Ag2(L222)(NO3)2]∞ (L222 methyl-4-(5-chloropyrimidin-2-ylcarbamoyl)benzoate), 2, [Ag2(L33)(NO3)2]∞ (L33 methyl-4-(5-bromopyrimidin-2-ylcarbamoyl)benzoate), 3, [Ag(L44)(NO3)]∞ (L44 methyl-4-(5-iodopyrimidin-2-ylcarbamoyl)benzoate), 4, {[Ag(L33)](BF4)·0.5THF}∞, 5, [Ag2(L44)4](BF4)2·2CH3OH, 6, [Ag2(L44)4](X)2 (X PF6−, 7; SbF6−, 8) are reported. In 1–3, the L11–L33 ligands adopt tridentate mode, featuring chelation bridge through two pyrimidyl nitrogen atoms one amidecarbonyl oxygen atom resulting in a 1D chain for 1 2D nets 2 3 with topology {4·6·8}{4·62·83}{62·8}, while L44 ligand coordinates to metal center atoms, amide iodine afford chain. L33 5 coordinate centers tetradentate bonding mode donor net {4·62}2{42·62·82}. 6–8, show both bidentate fashions, showing dinuclear ten-membered metallocycles. While halogen involved X⋯O Cl Br 3) interactions, short Ag–I bond distances 2.7700(5) A 4 2.8925(10), 2.8353(9) 2.8520(8) 6–8 found, which appear be due high polarizability atom.