Competition between weak hydrogen bonds: C-H⋯Cl is preferred to C-H⋯F in CH2ClF-H2CO, as revealed by rotational spectroscopy

1. Feng, G.
2. Gou, Q.
3. Evangelisti, L.
4. Vallejo-López, M.
5. Lesarri, A.
6. Cocinero, E.J.
7. Caminati, W.