Molecular, Supramolecular Structures Combined with Hirshfeld and DFT Studies of Centrosymmetric M(II)-azido {M=Ni(II), Fe(II) or Zn(II)} Complexes of 4-Benzoylpyridine. - Morsy A. M. Abu-Youssef; Vratislav Langer; Assem Barakat; Matti Haukka; Saied M. Soliman (Symmetry, 2021)