Iron(ii) thio- and selenocyanate coordination networks containing 3,3′-bipyridineElectronic supplementary information (ESI) available. CCDC reference numbers 818774–818781. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c1ce05352c - Christopher J. Adams; Mairi F. Haddow; David J. Harding; Thomas J. Podesta; Rachel E. Waddington (CrystEngComm, 2011)