Solid-state coordinative behavior of a new asymmetrical bis-hydrazone ligand containing two different binding pockets
S Rodriguez-Hermida, AB Lago… - Crystal growth & …, 2013 - ACS Publications
Crystal growth & design, 2013•ACS Publications
The potentially multidentate (O2N–NO) trianionic bis (bencylhydrazone) derived from 4-
hydroxyisophthaldehyde (H 3 L) ligand has been synthesized and characterized. The
coordinative behavior of the ligand has been explored toward different MII salts (M= Co, Ni,
Zn, and Cu), and four complexes, of general formula [M (HL)]· solv (2· solv= molecules of
water, dmf, or dmso), have been isolated and characterized. Furthermore, the species [M
(H2L) 2]· solv (M= Co, 1a· solv; M= Ni, 1b· solv; solv= molecules of water and/or dmf), where …
hydroxyisophthaldehyde (H 3 L) ligand has been synthesized and characterized. The
coordinative behavior of the ligand has been explored toward different MII salts (M= Co, Ni,
Zn, and Cu), and four complexes, of general formula [M (HL)]· solv (2· solv= molecules of
water, dmf, or dmso), have been isolated and characterized. Furthermore, the species [M
(H2L) 2]· solv (M= Co, 1a· solv; M= Ni, 1b· solv; solv= molecules of water and/or dmf), where …
The potentially multidentate (O2N–NO) trianionic bis(bencylhydrazone) derived from 4-hydroxyisophthaldehyde (H3L) ligand has been synthesized and characterized. The coordinative behavior of the ligand has been explored toward different MII salts (M = Co, Ni, Zn, and Cu), and four complexes, of general formula [M(HL)]·solv (2·solv = molecules of water, dmf, or dmso), have been isolated and characterized. Furthermore, the species [M(H2L)2]·solv (M = Co, 1a·solv; M = Ni, 1b·solv; solv = molecules of water and/or dmf), where the ligand is monodeprotonated and tridentate, has also been detected. The structures of H3L, four solvates of {[Cu(HL)]·solv}n (2c·solv), 1a·5H2O, and 1b·H2O·3dmf were determined by single-crystal X-ray diffraction. The effect of weak interactions on the crystal packing has also been analyzed. The thermal stability and the structural dynamics of the 2c·solv systems have also been investigated.
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