On a related note, Schnabel et al. studied the rotation of dipolar linkers based on benzothiadiazole in copperbased NbO-type MOFs ZJNU-40 24 and JLU-Liu30. 25 These authors combined dielectric spectroscopy and computational simulations to probe the reorientational relaxation dynamics of the rotors: both frameworks exhibit cooperative reorientational motions and an orientational glass transition. Moreover, JLU-Liu30 is thought to present an antiferroelectric ordering of the dipoles at temperatures below 300 K.