Metal Co(II) and Ni(II) coordination compounds with tetrathiafulvalene carboxylate

Gu, Jing; Zhu, Qian‐Jiang; Zhang, Yong; Lu, Weihong; Niu, Gai-Yan; Dai, Jie

doi:10.1016/j.inoche.2007.12.002

Cited by 18 publications

(6 citation statements)

References 18 publications

(19 reference statements)

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“…The Co(2) atom is surrounded by six water molecules in a slightly distorted octahedral coordination geometry. Theoretically, there is no obvious d-d interaction in both complex 2 and the very similar mononuclear complex that has been reported before [23] . …”

Section: Crystal Structure Descriptionsupporting

confidence: 77%

Synthesis, structure and physical properties of the one-dimensional chain complex of tetrathiafulvalene carboxylate

Wang

et al. 2009

Sci. China Ser. B-Chem.

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A new Co(Ⅱ) coordination polymer bearing TTF carboxylate group, [{Co 2 (trioTTF) 2 (H 2 O) 6 }·5H 2 O] n (1) (trioTTF = 2-(5,6,8,9,11,12,14,15-octahydro-[1,3]dithiolo[4,5-h][1,4,13,7,10]trioxadithiacyclopentadecin-2-ylidene)-1,3-dithiole-4,5-dicarboxylate), has been prepared and characterized. In the structure of 1, shorter intermolecular S····S contacts (3.565 Å) are found between the trioTTF groups from neighboring chains. The electric conductivity of 1 is poor due to the bulky crown-ether group, but it exhibits ferromagnetic interaction at low temperature.

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Section: Crystal Structure Descriptionsupporting

confidence: 77%

Synthesis, structure and physical properties of the one-dimensional chain complex of tetrathiafulvalene carboxylate

Wang

et al. 2009

Sci. China Ser. B-Chem.

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“…The TTF core was functionalized by several coordination groups [16,17] and, herein, we focus our attention on TTF-carboxylates and, specifically, on the 4,5-bis(carboxylic)-4 1 ,5 1 -methyldithiotetrathiafulvene (H 2 L). To date, various 3d/4d/5d coordination compounds were built up from TTF-carboxylate ligands [18][19][20][21][22][23][24][25]. Nevertheless, examples with 4f elements are very rare and only concern zero-dimensionnal complexes [26,27].…”

Section: Introductionmentioning

confidence: 99%

Slow Magnetic Relaxation in Unprecedented Mono-Dimensional Coordination Polymer of Ytterbium Involving Tetrathiafulvalene-Dicarboxylate Linker

et al. 2016

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“…Tetrathiafulvalene (TTF)-containing compounds possess unique electronic and magnetic properties, which caused them to be studied extensively as potential superconductors, charge-transfer complexes, ferromagnets, nonlinear optical materials, sensors, electroactive Langmuir−Blodgett films, and organic field-effect transistors . Because of the high electron-donating ability of the reduced TTF group, recent studies have focused on the functionalization of this redox-active moiety, which can undergo two electrochemically reversible one-electron oxidations, for use in coordination chemistry (Chart ). − …”

Section: Introductionmentioning

confidence: 99%

“…Functional groups attached to the TTF core have ranged from amines and phosphines to β-diketonato and carboxylato groups . To date, only a few studies reported the coordination of these TTF-containing β-diketonato ligands complexed to metal centers.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Substitution Kinetics, and Electrochemistry of the First Tetrathiafulvalene-Containing β-Diketonato Complexes of Rhodium(I)

et al. 2010

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The synthesis of the first rhodium(I) cyclooctadiene complexes containing tetrathiafulvalene (TTF) groups substituted on a beta-diketonato ligand in either the methine position (3 position), [Rh(cod)(H(3)CCOC{S-TTF-(MeS)(3)}COCH(3))] (3), or terminal position (1 position), [Rh(cod){(Me(3)-TTF)COCHCOCH(3)}] (4), is reported. The effect of the beta-diketonato substitution position on the kinetics of substitution of the TTF-containing beta-diketonato ligand with 1,10-phenanthroline from 3 and 4 to give [Rh(cod)(phen)](+), as well as on the electrochemical properties of 3 and 4, was investigated. Second-order substitution rate constants, k(2), in methanol were found to be almost independent of the substitution position, with 4 (k(2) = 2.09 x 10(3) dm(3) mol(-1) s(-1)) reacting only about twice as fast as 3. An appreciable solvent pathway in the substitution mechanism was only observed for 4 with k(s) = 42 s(-1). A complete mechanism for both substitution reactions is proposed. The electrochemistry of 3 and 4 in CH(2)Cl(2)/0.10 mol dm(-3) [N((n)Bu)(4)][B(C(6)F(5))(4)] showed three redox processes. Two of these were electrochemically reversible and are associated with the redox-active TTF group. For 3, TTF-based formal reduction potentials, E degrees', were observed at 0.082 and 0.659 V vs Fc/Fc(+), respectively; 4 exhibited them at -0.172 and 0.703 V vs Fc/Fc(+) at a scan rate of 100 mV s(-1). A Rh(II)/Rh(I) redox couple was observed at E degrees' = 0.89 V for 3, after both TTF oxidations were completed, and at 0.51 V for 4; this is between the two TTF redox processes. The more difficult oxidation of the Rh(I) center of 3 indicates more effective electron-withdrawing from the Rh(I) center to the first-oxidized TTF(+) group at the methine position of the beta-diketonato ligand of 3(+) than to the terminal-substituted TTF(+) group in 4(+).

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Metal Co(II) and Ni(II) coordination compounds with tetrathiafulvalene carboxylate

Cited by 18 publications

References 18 publications

Synthesis, structure and physical properties of the one-dimensional chain complex of tetrathiafulvalene carboxylate

Synthesis, structure and physical properties of the one-dimensional chain complex of tetrathiafulvalene carboxylate

Slow Magnetic Relaxation in Unprecedented Mono-Dimensional Coordination Polymer of Ytterbium Involving Tetrathiafulvalene-Dicarboxylate Linker

Synthesis, Substitution Kinetics, and Electrochemistry of the First Tetrathiafulvalene-Containing β-Diketonato Complexes of Rhodium(I)

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