The influence of substituents (R) at N1 atom of furan-2-carbaldehyde thiosemicarbazones {(C4H3O)HC2N3-N(H)-C1(S)N1HR} on bonding, nuclearity, H-bonded networks of copper(I) complexes

Furan-2-carbaldehyde-N1-phenyl-thiosemicarbazone with copper(I) halides has formed three coordinate (7) and sulfur-bridged dimers (8, 9). No coordination by PPh3 occurred unlike the behavior shown by copper(I) halides when there are methyl or ethyl substituents at N1.