Citation: De Munno, Giovanni; Francesca Cipriani; Donatella Armentano; Miguel Julve; Jose Antonio Real (2001). Polycatenane systems from Co(II) and trans-1,2-bis(4-pyridyl)ethene [bpe]. Synthesis and structure of [Co(bpe)2(NCS)2].CH3OH, [Co(bpe)2(H2O)2](ClO4)2.2CH3OH and [Co(bpe)2(H2O)2(CH3OH)2](ClO4)2.bpe.H2O. New Journal of Chemistry, , pp. -.