Homoheteroaromaticity: the case study of azepine and dibenzazepineElectronic supplementary information (ESI) available: absolute chemical shieldings calculated at the B3LYP/6-311++G**//B3LYP/6-311++G** computational level for compounds 1b, 2b, 4b and 5b. See http://www.rsc.org/suppdata/ob/b3/b314742h/ | Publicación