Citation: Robin, Adeline Y.; Fromm, Katharina M.; Goesmann, Helmut; Bernardinelli, G� rald (2003). Structural relationship of two coordination polymers of Cu(i) with the ligand ethanediyl bis(isonicotinate)Electronic supplementary information (ESI) available: Selected crystal data, views of 2, and colour pictures of Fig. 3c and d. See http://www.rsc.org/suppdata/ce/b3/b309410c/. CrystEngComm, 5, pp. 405-.