1. Baker J, Kozlowski P, Jarzecki A, Pulay P (1997) The inner-hydrogen migration in free base porphyrin. Theor Chem Acc: Theory Comput Model 97:59–66
2. Bala P, Grochowski P, Nowinski K, Lesyng B, McCammon J A (2000) Quantum-dynamical picture of a multi-step enzymatic process reaction catalyzed by phospholipase a2. Biophys J 79:1253–1262
3. Becke AD (1993) Density-functional thermochemistry. III. The role of exact exchange. J Chem Phys 98:5648–5652
4. Frisch MJ, Trucks GW, Schlegel HB, Scuseria GE, Robb MA, Cheeseman JR, Montgomery JA Jr, Vreven T, Kudin KN, Burant JC, Millam JM, Iyengar SS, Tomasi J, Barone V, Mennucci B, Cossi M, Scalmani G, Rega N, Petersson GA, Nakatsuji H, Hada M, Ehara M, Toyota K, Fukuda R, Hasegawa J, Ishida M, Nakajima T, Honda Y, Kitao O, Nakai H, Klene M, Li X, Knox JE, Hratchian HP, Cross JB, Bakken V, Adamo C, Jaramillo J, Gomperts R, Stratmann RE, Yazyev O, Austin AJ, Cammi R, Pomelli C, Ochterski JW, Ayala PY, Morokuma K, Voth GA, Salvador P, Dannenberg JJ, Zakrzewski VG, Dapprich S, Daniels AD, Strain MC, Farkas O, Malick DK, Rabuck AD, Raghavachari K, Foresman J B, Ortiz JV, Cui Q, Baboul AG, Clifford S, Cioslowski J, Stefanov BB, Liu G, Liashenko A, Piskorz P, Komaromi I, Martin RL, Fox DJ, Keith T, Al-Laham MA, Peng CY, Nanayakkara A, Challacombe M, Gill PMW, Johnson B, Chen W, Wong MW, Gonzalez C, Pople JA (2004) Gaussian 03, Revision C.02. Gaussian, Inc., Wallingford
5. Gawinkowski S, Walewski L, Vdovin A, Slenczka A, Rols S, Johnson MR, Lesyng B, Waluk J (2012) Vibrations and hydrogen bonding in porphycene. Phys Chem Chem Phys 14:5489–5503