Citation: Phuengphai, Pongthipun; Youngme, Sujittra; Kongsaeree, Palangpon; Pakawatchai, Chaveng; Chaichit, Narongsak; Teat, Simon J.; Gamez, Patrick; Reedijk, Jan (2009). Drastic steric effects from, respectively, a hydrogen, a methyl and an ethyl group on the coordination network of a zinc(II)--4,4′-bipyridine--carboxylato ternary system. CrystEngComm, 11, pp. 1723-.