Accepted Manuscript Spectroscopic, DFT, optical band gap, powder X-ray diffraction and bleomycin- dependant DNA studies of Co(II), Ni(II) and Cu(II) complexes derived from macrocyclic Schiff base Ola A. El-Gammal, Ahmed F. Al-Hossainy, Sara A. El-Brashy PII: S0022-2860(18)30346-6 DOI: 10.1016/j.molstruc.2018.03.057 Reference: MOLSTR 24996 To appear in: Journal of Molecular Structure Received Date: 6 December 2017 Revised Date: 10 March 2018 Accepted Date: 14 March 2018 Please cite this article as: O.A. El-Gammal, A.F. Al-Hossainy, S.A. El-Brashy, Spectroscopic, DFT, optical band gap, powder X-ray diffraction and bleomycin-dependant DNA studies of Co(II), Ni(II) and Cu(II) complexes derived from macrocyclic Schiff base, Journal of Molecular Structure (2018), doi: 10.1016/j.molstruc.2018.03.057. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.