Structural Diversities of Silver(I) Coordination Compounds with Flexible Dithioether Ligands Based upon Changing the Ligand Spacers

To investigate the influences of ligand spacers of flexible bis(thioether) bridging ligands on the framework formations of their complexes, six new AgI coordination compounds with a series of structurally related bis(tert-butylthio)alkane ligands, Ln = (CH3)3CS-(CH2)n-SC(CH3)3 where n = 1−6, [(AgL1)ClO4]n (1), {[Ag(L2)1.5]ClO4}n (2), [(AgL3)ClO4]2 (3), {[Ag(L4)1.5]ClO4}n (4), [(AgL5)ClO4]2 (5), and {[Ag(L6)1.5]ClO4}n (6), have been synthesized and structurally characterized by elemental analysis, IR, 1H NMR spectra, and X-ray crystallography. In 1, the AgI centers are linked by bridging L1 to form a one-dimensional (1-D) zigzag chain, and complex 2 has an extended two-dimensional (2-D) (6,3) topologic array with hexagonal 30-membered macrometallacycles. Complexes 3 and 5 show similar discrete dinuclear structures. Complexes 4 and 6 consist of single-double bridging chains in which dinuclear macrometallacycles are further linked by single bridging L ligands. The differences among these structures indicate ...