“…Relevant bond lengths in the central core of (I) compare well with the corresponding ones in the recently reported related compound 2,3-bis(2-tert-butylphenylimino)butane (Ferreira et al, 2006), (II): in particular, 1.423 (3)/1.418 (2) Å for C-N, 1.280 (3)/1.277 (2) Å for C N, and 1.513 (4)/ 1.495 (3)Å for C-C, for (I)/(II), respectively.…”