Do π-π stacking interactions really play a role in the magnetic coupling mechanisms of [Cu2(μ2-CH3COO)2L2(H2O)2]n+ (L = heterocyclic base, n = 0, 2) complexes? An ab initio inspection

Do π-π stacking interactions really play a role in the magnetic coupling mechanisms of [Cu2(μ2-CH3COO)2L2(H2O)2]n+ (L = heterocyclic base, n = 0, 2) complexes? An ab initio inspection