Interaction of aromatic units of amino acids with guanidinium cation: The interplay of π ⋯, X-H⋯ π, and M+ ⋯ π contracts

1. Campo-Cacharrón, A.
2. Cabaleiro-Lago, E.M.
3. Carrazana-García, J.A.
4. Rodríguez-Otero, J.