Cross-hydrogen bond scalar couplings constants (hJ) in Proteins Nucleic acids Biomolecular complexes Other applications: 1hJNH and 2hJNN coupling constants in NH...N spin systems of 15N-labelled small molecules (01MRCS100, 01MRCS109, 01JACS4338, 02JACS1152) Hydrogen bonding involving carboxylic acids and other groups (01MRCS190 and 00JACS11258) 3hJ(N-P) coupling constants across N-H.....O-P hydrogen bonds in model cationic and anionic complexes (02JACS6393) General Reading: B03ZER207