Synthesis, spectroscopic and structural characterization of bis[ N , N ′-3-azapentane-1,5-diyl-bis(salicylideneiminato)]-dicobalt(III)

Quintero-Téllez, Ma Guadalupe; Alcántara-Flores, José Luis; Bernès, Syl­vain; Carrasco, M. L. Arroyo; Otero, M. M. Méndez; Reyes‐Ortega, Yasmi

doi:10.1016/j.inoche.2016.05.018

Inorganic Chemistry Communications

2016

DOI: 10.1016/j.inoche.2016.05.018

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Synthesis, spectroscopic and structural characterization of bis[ N , N ′-3-azapentane-1,5-diyl-bis(salicylideneiminato)]-dicobalt(III)

Ma Guadalupe Quintero-Téllez

José Luis Alcántara-Flores

Sylvain Bernès

et al.

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Cited by 5 publications

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“…[1][2][3][4][5][6] Recently, we isolated a nickel(II) complex with a compartmenttype Schiff-base ligand containing a pyrrole group, 1,3-bis(pyrrole-2-methylydeneamino)-2-propanol (H3bpmp), [Ni(Hbpmp)]·0.5CH3OH, which was thought to be interesting compared with a biologically important imidazole derivative ligand.…”

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Dinuclear Assembly in a Copper(II) Complex with 1,3-Bis(pyrrole-2-methylideneamino)-2-propanol

Mikuriya

Hara

Yoshioka

et al. 2017

X-ray Structure Analysis Online

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There have been a number of reports on coordination compounds with Schiff-base ligands because of their diverse coordination modes and relevance to the biological active metal center. [1][2][3][4][5][6] Recently, we isolated a nickel(II) complex with a compartmenttype Schiff-base ligand containing a pyrrole group, 1,3-bis(pyrrole-2-methylydeneamino)-2-propanol (H3bpmp), [Ni(Hbpmp)]·0.5CH3OH, which was thought to be interesting compared with a biologically important imidazole derivative ligand.7 X-ray crystallographic work revealed a mononuclear structure with a square-planar arrangement of the nickel(II) ion with a partially deprotonated Schiff-base ligand. In this study, we prepared a copper(II) complex with H3bpmp, [Cu(Hbpmp)]· 0.5C2H5OH ( Fig. 1), in order to compare the crystal structure with that of the nickel(II) complex. So far, a similar copper(II) complex was reported as [Cu (Hbpmp) and wR2 (all data) values are 0.0320 and 0.0991, respectively, for all 3378 independent reflections. The complex is essentially a square-planar copper(II) complex with partially deprotonated Hbpmp 2-; this mononuclear unit is loosely connected by the axial semicoordination of the alcohol group of the Hbpmp 2-ligand of the neighboring mononuclear unit to form a dinuclear assembly. The temperature dependence of the magnetic susceptibility (4.5 -300 K) follows the Curie-Weiss law with θ = -1.2 K, showing a weak antiferromagnetic interaction between the copper(II) ions, consistent with the crystal structure.

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confidence: 99%

Dinuclear Assembly in a Copper(II) Complex with 1,3-Bis(pyrrole-2-methylideneamino)-2-propanol

Mikuriya

Hara

Yoshioka

et al. 2017

X-ray Structure Analysis Online

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A Dicobalt Coordination Complex with a Short Cobalt‐Cobalt Distance

et al. 2018

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The existence of a metal‐metal bond in organometallic and coordination complexes is a very important aspect. Metal‐carbonyl, carbene‐metal‐carbonyl and metal‐carbene complexes were studied for having this feature. Herein, an air stable dark green color dicobalt coordination complex [Co(III)2(hep)3(N3)3] (1) [hepH = 2‐(2‐ethylhydroxy)pyridine] with three μ‐alkoxide bridges has been synthesized and characterized by X‐ray single crystal diffraction, NMR and UV/vis spectroscopy. Complex 1 has a short Co⋅⋅⋅Co distance (2.595(6) Å) and thus it has been studied by theoretical calculations. QTAIM (quantum theory of atoms in molecules) as well as EDA‐NOCV analysis (energy decomposition analysis ‐ natural orbitals for chemical valence) do not indicate any significant metal‐metal interaction. The bonding in 1 can be best represented by the interaction of two alkokxy bridged valence electrons fragment Co(III)(hep)2N3 (3d6) with Co(III)(hep)(N3)2 (3d6) where the donation of the lone pair of electrons from three bridging Ohep‐atoms stabilizes the dinuclear Co(III) complex. Additionally, thermolysis of 1 at 550 oC led to the formation sponge like Co3O4 oxide.

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Packing polymorphism in the structure oftrans-aqua[N,N′-bis(salicylidene)ethane-1,2-diamine-κ⁴O,N,N′,O′]chloridomanganese(III) monohydrate

2018

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Synthesis, spectroscopic and structural characterization of bis[ N , N ′-3-azapentane-1,5-diyl-bis(salicylideneiminato)]-dicobalt(III)

Cited by 5 publications

References 46 publications

Dinuclear Assembly in a Copper(II) Complex with 1,3-Bis(pyrrole-2-methylideneamino)-2-propanol

Dinuclear Assembly in a Copper(II) Complex with 1,3-Bis(pyrrole-2-methylideneamino)-2-propanol

A Dicobalt Coordination Complex with a Short Cobalt‐Cobalt Distance

Packing polymorphism in the structure oftrans-aqua[N,N′-bis(salicylidene)ethane-1,2-diamine-κ⁴O,N,N′,O′]chloridomanganese(III) monohydrate

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Synthesis, spectroscopic and structural characterization of bis[ N , N ′-3-azapentane-1,5-diyl-bis(salicylideneiminato)]-dicobalt(III)

Cited by 5 publications

References 46 publications

Dinuclear Assembly in a Copper(II) Complex with 1,3-Bis(pyrrole-2-methylideneamino)-2-propanol

Dinuclear Assembly in a Copper(II) Complex with 1,3-Bis(pyrrole-2-methylideneamino)-2-propanol

A Dicobalt Coordination Complex with a Short Cobalt‐Cobalt Distance

Packing polymorphism in the structure oftrans-aqua[N,N′-bis(salicylidene)ethane-1,2-diamine-κ4O,N,N′,O′]chloridomanganese(III) monohydrate

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Packing polymorphism in the structure oftrans-aqua[N,N′-bis(salicylidene)ethane-1,2-diamine-κ⁴O,N,N′,O′]chloridomanganese(III) monohydrate