Gas phase complexes of H<sub>3</sub>N⋯CuF and H<sub>3</sub>N⋯CuI studied by rotational spectroscopy and ab initio calculations: the effect of X (X = F, Cl, Br, I) in OC⋯CuX and H<sub>3</sub>N⋯CuX
Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics