نتایج جستجو برای: cuii complex
تعداد نتایج: 784079 فیلتر نتایج به سال:
Coordination chemistry allows the synthesis of new molecules which show cooperative magnetic phenomena, behaving like magnets. Two main ways of synthesizing these systems have been developed: a) low-dimensional complexes (1-D or 2-D) which are linked in the crystal net and so give ferromagnetic long-range order and b) isolated molecules with high-spin ground state and strong anisotropy, which h...
One of the most promising applications for molecules built from paramagnetic metal ions is low temperature magnetic refrigeration.[1] Indeed recent studies have suggested that molecular coolers can outperform any conventionally-employed solid-state refrigerant material by orders of magnitude.[2] In order to do so, molecules must possess a combination of a large spin ground state (S), with negli...
The structure of poplar plastocyanin in the reduced (CuI) state has been determined and refined, using counter data recorded from crystals at pH 3.8, 4.4, 5.1, 5.9, 7.0 and 7.8 (resolution 1.9 A, 1.9 A, 2.05 A, 1.7 A, 1.8 A and 2.15 A; the final residual R value was 0.15, 0.15, 0.16, 0.17, 0.16 and 0.15, respectively). The molecular and crystal structure of the protein is substantially the same...
ژنوم میتوکندریایی شامل ?? ژن کد کنندهء پروتئین است. بسیاری از این ژن ها زنجیرهء انتقال را کد می کنند.ژن 5nd-mt یکی از 13 ژن کد کننده پروتئین است، که زنجیره انتقال الکترون را کد می کند. و جایگاه آن در(i complex)است. ژن 5nd-mt دستورالعمل برای ساختن یک پروتئین به نام nadh دهیدروژناز5 را فراهم می کند. این پروتئین بخشی از یک مجــتمع آنزیم های بزرگ شناخــــته شده با عنوان (i complex)است که در میتوک...
2-Methylmercaptobenzohydroxamic acid (mmbHA) has been synthesized and used to form {CuIICl2(MeOH)[12-MCCu(II)N(mmbHA)-4]}2 ⋅ 4MeOH (1) {CuII(μ2-ClO4)(MeOH)2(py)4[12-MCCu(II)N(mmbHA)-4]}ClO4 (2), a copper(II) based double-decker discrete metallacrown (MC) system, respectively. While 1 forms in the absence of coordinating co-ligand, presence pyridine (Py) leads change coordination mode mmbHA MC 2...
A mixed-valent, one-dimensional Cu(I/II) coordination polymer with the formula [CuII{CuI3(Hmpba)(mpba)2}DMF] ⋅ ∼3DMF was obtained bifunctional ligand 4-(3,5-dimethyl-1H-pyrazol-4-yl)benzoic acid (H2mpba) in N,N-dimethylformamide (DMF) via solvothermal reaction. The compound exhibits a trinuclear {CuI3(Hmpba)(mpba)2}2− metallo-linker softer Cu(I) linearly-coordinated by pyrazolate nitrogen donor...
Copper-dioxygen adducts are important biological oxidants. To gain a better understanding of the underlying chemistries of such species, we report on a series of Cu2II-O2 complexes, [{CuII(MePY2)R'}2(O2)](B(C6F5)4)2 (1R') (where (MePY2)R' is a 4-pyridyl substituted bis[2-(2-(4-R'-pyridyl)ethyl]methylamine; R' = H, MeO, Me2N; Zhang, C. X.; et al. J. Am. Chem. Soc. 2003, 125, 634-635), which read...
Copper bromide complexes with the ligands TMG6NO2qu, TMG6Brqu, TMG6Methoxyqu, TMG6NMe2qu, TMG6EHOqu and TMG6dBAqu were examined regarding their activity in atom transfer radical polymerization (ATRP). The inspired by 1,1,3,3-tetramethyl-2-(quinolin-8-yl)guanidine (TMGqu) substituents have been chosen a large range between electron withdrawing donating abilities. donor properties of can be stron...
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