Series of Dicyanamide-Interlaced Assembly of Zinc-Schiff-Base Complexes: Crystal Structure and Photophysical and Thermal Studies
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https://figshare.com/articles/dataset/Series_of_Dicyanamide_Interlaced_Assembly_of_Zinc_Schiff_Base_Complexes_Crystal_Structure_and_Photophysical_and_Thermal_Studies/2467642
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资源简介：
Four new dicyanamide (dca) bridged multinuclear ZnII-Schiff-base complexes, {[Zn2L1(μ1,5-dca)dca]·CH3OH}2 (1), [Zn2L2(μ1,5-dca)dca]n (2), [Zn3L32(μ1,5-dca)2]n (3), and [(ZnL4)2Zn(μ1,5-dca)dca]n (4), have been synthesized using four different Schiff bases
L1H2 = N,N/-bis(3-methoxysalicylidenimino)-1,3-diaminopentane,
L2H2 = N,N′-bis(5-bromo-3-methoxysalicylidenimino)-1,3-diaminopropane,
L3H2 = N,N′-bis(5-bromosalicylidenimino)-1,3-diaminopropane, and L4H2 = N,N′-bis(5-chlorosalicylidenimino)-1,3-diaminopropane
and NaN(CN)2 in order to extend the metal–ligand
assembly. The directional properties of linear end-to-end bridging dca ligands have resulted in different metal ion connectivities
leading to unique variety of templates in each of the complexes. All
the ligands and complexes have been characterized by microanalytical
and spectroscopic techniques. The structures of the complexes have
been conclusively determined by single crystal X-ray diffraction studies.
Thermogravimetric analyses have been performed to investigate the
thermal stability of the metal–organic frameworks. Finally,
the photoluminescence properties of the complexes as well as their
respective ligands have been investigated with a comparative approach.
创建时间：
2012-11-19
