Abstract The 1 H NMR, IR and electronic spectra are reported for a range of complexes trans- [PtCl 2 (CH 2 CH 2)(R-an)] comprising fifteen variously-substituted anilines, R-an. The coupling constant, J Pt-H, is approximately 64 Hz which is consistent with rans coordination. The chemical shift of the olefinic protons is relatively unaffected by variation of R but the shielding of the aromatic protons is slightly modified. All three infrared modes νPt C 2, ...
