[6] Medforth C.J., Muzzi C.M., Shea K.M., Smith K.M., Abraham R.J., Jia S., Shelnutt J.A.,
NMR Studies of Nonplanar Porphyrins. Part 1. Axial Ligand Orientations in Highly Nonplanar Porphyrins,
J. Chem. Soc., Perkin Trans. 2,
1997(4): 839-834 (1997).
[20] Rosa A., Ricciardi G., Baerends E.J., Romeo A., Monsù Scolaro L.,
Effects of Porphyrin Core Saddling, meso-Phenyl Twisting, and Counterions on the Optical Properties of meso-Tetraphenylporphyrin Diacids: The [H4TPP](X)2 (X ) F, Cl, Br, I) Series as a Case Study,
J. Phys. Chem. A,
107 (51):11468-11482 (2003).