API Hydrogen bonds

get_hbonds(molecular_system[, selection, ...])	Detecting sparse hydrogen bonds with an explicitly attributed criterion.
get_acceptor_atoms(molecular_system[, ...])	Identify acceptor atoms within a molecular system for hydrogen-bond detection.
get_donor_atoms(molecular_system[, ...])	Identifying donor atoms and their covalently attached hydrogens.
get_buch_hbonds(molecular_system[, ...])	Calculating hydrogen bonds using the Buch geometric criteria.
get_luzard_chandler_hbonds(molecular_system)	Calculating hydrogen bonds using the Luzard–Chandler geometric criteria.