1 Supporting Information for Luminescent Rhenium(I)-Dipyrrin Complexes Tracey M. McLean, Janice L. Moody, Mark R. Waterland and Shane G. Telfer* MacDiarmid Institute for Advanced Materials and Nanotechnology, Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand. E-mail: s.telfer@massey.ac.nz Contents: 1. Synthesis details 2. Characterisation details 3. Photochemical ligand substitution in complex 2A 4. Supplementary Absorption, Resonance Raman, Emission and NMR Spectra 5. DFT calculations 6. References