title: Multinuclear luminescent Schiff-base Zn-Nd sandwich complexes.
abstract: Multinuclear 3d-4f complexes with sandwichlike molecular structures are formed with the Schiff-base ligand bis(3-methoxysalicylidene)ethylene-1,2-phenylenediamine(H(2)L). The stoichiometry and structures are dependent on the Zn:Nd ratio and counteranions present. They are trinuclear [Nd(ZnL)2(NO3)2(H2O)2].NO3.EtOH.H2O (1), [Nd(ZnL)2Cl2(H2O)3].Cl.2MeOH.5H2O (2), and tetranuclear [Nd2(ZnL)2Cl6(MeOH)2].MeOH (3). Dinuclear complex [NdZnL(NO3)3MeCN].MeCN (4) was also characterized. Near-infrared (NIR) lanthanide luminescence is observed in these complexes.
authors.affiliation: Chemistry Department, Hong Kong Baptist University, Kowloon Tong, Hong Kong, P. R. China. wkwong@hkbu.edu.hk
authors.forename: Wai-Kwok
authors.initials: WK
authors.lastname: Wong
authors.forename: Xiaoping
authors.initials: X
authors.lastname: Yang
authors.forename: Richard A
authors.initials: RA
authors.lastname: Jones
authors.forename: Joseph H
authors.initials: JH
authors.lastname: Rivers
authors.forename: Vince
authors.initials: V
authors.lastname: Lynch
authors.forename: Wing-Kit
authors.initials: WK
authors.lastname: Lo
authors.forename: Dang
authors.initials: D
authors.lastname: Xiao
authors.forename: Michael M
authors.initials: MM
authors.lastname: Oye
authors.forename: Archie L
authors.initials: AL
authors.lastname: Holmes
mesh_terms: D018360:Crystallography, X-Ray; D007202:Indicators and Reagents; D008024:Ligands; D049449:Luminescence; D009682:Magnetic Resonance Spectroscopy; D009354:Neodymium / Q000737:chemistry*; D012545:Schiff Bases / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet; D019265:Spectroscopy, Near-Infrared; D015032:Zinc / Q000737:chemistry*
chemical_list: D007202:Indicators and Reagents; D008024:Ligands; D012545:Schiff Bases; D009354:Neodymium; D015032:Zinc