Synthesis and crystal structure of a homotrinuclear Ni(II) complex

Durmuş, Sefa; Ates, B. Meltem; Atakol, Orhan; Ercan, Filiz

doi:10.1524/zkri.2005.220.11_2005.973

Cited by 10 publications

(3 citation statements)

References 7 publications

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“…There is a striking similarity between the salamo and salbn complexes, which have an –OCH 2 CH 2 O– and a –(CH 2 ) 4 – group, respectively, as a linker between the two sp 2 nitrogen atoms. The [M 3 L 2 ]‐type complexes were formed by the complexation of H 2 salamo and H 2 salbn with cobalt(II), nickel(II), and zinc(II) . This fact strongly indicates that the replacement of the methylene unit with one oxygen atom does not significantly change the structure of the complexes.…”

Section: Resultsmentioning

confidence: 99%

Increased Nuclearity of Salen‐Type Transition Metal Complexes by Incorporation of O‐Alkyloxime Functionality

Akine

Nabeshima

2014

Heteroatom Chemistry

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The effect of incorporation of O‐alkyloxime functionality in the salen‐type tetradentate ligand was investigated from a viewpoint of complexation behavior with cobalt(II), nickel(II), and zinc(II). The complexation of salamo ligands (H2salamo = 1,2‐bis(salicylideneaminooxy)ethane) with zinc(II) and cobalt(II) afforded trinuclear complexes [M3L2(OAc)2] (M = ZnII, CoII; L = salamo, 3‐MeOsalamo). The phenoxo groups of the two [ML] units coordinate to the third MII, which results in the trinuclear structure. Upon complexation with nickel(II) acetate, the parent H2salamo gave a trinuclear complex [Ni3(salamo)2(OAc)2(EtOH)2], whereas H2(3‐MeOsalamo) produced a mononuclear complex [Ni(3‐MeOsalamo)(H2O)2]. The salamo complexes described here are similar to the corresponding complexes with N,N′‐disalicylidene‐1,4‐diaminobutane (H2salbn), indicating that the difference between the –OCH2CH2O– and –(CH2)4– groups has a small influence on the structural features of the complexes. However, this difference affects the complexation process with zinc(II) acetate. The trinuclear complex [Zn3(3‐MeOsalamo)2(OAc)2] was formed cooperatively, whereas the imine analog [Zn3(3‐MeOsalbn)2(OAc)2] was not.

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Section: Resultsmentioning

confidence: 99%

Increased Nuclearity of Salen‐Type Transition Metal Complexes by Incorporation of O‐Alkyloxime Functionality

Akine

Nabeshima

2014

Heteroatom Chemistry

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“…Transition metal complexes with salen-type or oxime-type ligands are extensively investigated, which have long been used as chelating ligands in the synthesis of transition metal complexes due to their ease of preparation and structural variety. These compounds play a seminal role in the development of modern coordination chemistry, which can accommodate several metal centers and form homo-and heteronuclear metal complexes with favourable properties 1 , such as their enormous variety of structural topologies, as well as their potential applications in optoelectronics, magnetism, non-linear optical materials 2 , biological activity 3 and catalysis [4][5][6][7][8] . To change the structures or improve the functions of the resulted complexes, herein, a new salamo-type bisoxime ligand, 2,2'-[(propylene-1,3-diyldioxy)bis(nitrilomethylidyne)]diphenol (H2L) and its transition metal complexes have been synthesized and structurally characterized.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Transition Metal Complexes with 2,2'-[(Propylene-1,3-diyldioxy)bis(nitrilomethylidyne)]diphenol

Feng-ying¹,

Zhang²,

Zhao³

et al. 2013

Asian J. Chem.

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“…In this study, cyanoacetate ion was used as the bridging molecule [9][10][11]. The investigation of the thermal degradation of the title molecule revealed that the thermal dissociation of the molecule took place at much lower temperatures.…”

Section: Introductionmentioning

confidence: 99%

Crystal structure of a new homo trinuclear Ni(II) complex with μ-cyanoacetato bridge

Ates¹,

Ercan

Aksu

et al. 2008

Zeitschrift Für Kristallographie - Crystalline Materials

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Trinuclear Ni(II) complex / Schiff bases / X-ray diffraction / Single crystal structure analysis / Thermal analysis Abstract. Ni(II)-Ni(II)-Ni(II) homo-trinuclear linear complex was prepared using bis-N,N 0 (2-hydroxybenzyl)-1,3-propanediamine in DMF (dimethyl formamide) medium. m-bridges between metal nuclei are formed using formate, acetate, chloroacetate and benzoate ions. The structure of the homo-trinuclear complex was determined with X-ray diffraction method. It was found that the terminal Ni(II) ions have a N 2 O 4 coordination sphere and central Ni(II) ion has a O 6 octahedral coordination sphere. The chelate ring, formed by the coordination of terminal Ni atoms and aminic nitrogen atoms, was found to have a chair conformation. The complexes were elucidated by the use of thermogravimetry and differential thermal analysis method. In acetate, chloroacetate, cyanoacetate and benzoate containing complexes thermal dissociation of DMF took place first while in formate containing complex it was observed that formate bridges and the complex degraded together with the dissociation of DMF moiety. It was observed that the thermal stability of carboxylate m-bridge affects the thermal stability of the homo-nuclear complex. The average bond energies of coordinated DMF molecules were determined and these coordinative bond energies were found to be in the dimension of that of hydrogen bonds.

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Synthesis and crystal structure of a homotrinuclear Ni(II) complex

Cited by 10 publications

References 7 publications

Increased Nuclearity of Salen‐Type Transition Metal Complexes by Incorporation of O‐Alkyloxime Functionality

Increased Nuclearity of Salen‐Type Transition Metal Complexes by Incorporation of O‐Alkyloxime Functionality

Synthesis and Characterization of Transition Metal Complexes with 2,2'-[(Propylene-1,3-diyldioxy)bis(nitrilomethylidyne)]diphenol

Crystal structure of a new homo trinuclear Ni(II) complex with μ-cyanoacetato bridge

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