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101.
D. V. Konarev R. N. Lyubovskaga O. S. Roshchupkina B. P. Tarasov Yu. M. Shulga 《Russian Chemical Bulletin》1997,46(1):32-35
Compounds C60(S4N4)2−x
(C6H6)
x
(1a-d) withx=0.67 (a), 1.0 (b), 1.1 (c), and 1.2 (d), in which isomorphous replacement of S4N4 with benzene takes place, were obtained by the reaction of fullerence C60 with tetrasulfur tetranitride in benzene. Complexes C60·S4N4 (2) and C60(S4N4)2 (3) containing no solvent were isolated from toluene. The compositions of the compounds were established by elemental and thermogravimetric
analyses. The data of IR and X-ray photoelectron (XP) spectroscopies show that in the complexes studied the transfer of electron
density occurs mainly from the nitrogen atoms of S4N4.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 1, pp. 37–40. January 1977. 相似文献
102.
Konarev DV Kovalevsky AY Li X Neretin IS Litvinov AL Drichko NV Slovokhotov YL Coppens P Lyubovskaya RN 《Inorganic chemistry》2002,41(14):3638-3646
The preparation of fullerene complexes with metal tetraarylporphyrins in the presence of excess ferrocene (Cp(2)Fe) results in the formation of new solvent-free and multicomponent molecular crystals. New isomorphous complexes of C(60) with PyZnTPP (ZnTPP identical with zinc 5,10,15,20-tetraphenyl-21H,23H-porphyrinate) and PyCoTPP (CoTPP identical with cobalt(II) 5,10,15,20-tetraphenyl-21H,23H-porphyrinate) containing Cp(2)Fe and the isostructural C(70) complex with PyZnTPP have been prepared. The crystal structures of the new layered C(60) complexes CoTMPP x C(60) (obtained in the presence of Cp(2)Fe) and CoTMPP x 2C(60) x 3C(7)H(8) (obtained in the absence of Cp(2)Fe) have been described (CoTMPP identical with cobalt(II) 5,10,15,20-tetrakis(p-methoxyphenyl)-21H,23H-porphyrinate). Cobalt atoms of the PyCoTPP and CoTMPP molecules are weakly coordinated to C(60) with Co...C(C(60)) distances in the 2.64-2.82 A range, whereas zinc atoms of PyZnTPP, as well as cobalt atoms of the CoTMPP molecules in the solvent-free phase, form only van der Waals contacts with fullerenes. Different packing arrangements in the crystals of fullerene-porphyrin complexes have been discussed. 相似文献
103.
D. V. Konarev S. S. Khasanov D. V. Lopatin V. V. Rodaev R. N. Lyubovskaya 《Russian Chemical Bulletin》2007,56(11):2145-2161
A series of complexes of fullerenes C60 and C70 with metal dithiocarbamates {MII(R2dtc)2}·Cm (m = 60 or 70) and metal dithiocarbamates coordinated to nitrogen-containing ligands (L), {MII(R2dtc)2)x·L}·C60 (x = 1 or 2), where M = Cu, Zn, Cd, Hg, Mn, or Fe, R = Me, Et, Prn, Pri, or Bun, L is 1,4-diazabicyclo[2.2.2]octane (DABCO), N,N′-dimethylpiperazine, or hexamethylenetetramine, were synthesized. The shape of dithiocarbamate molecules is sterically compatible
with the spherical shape of C60, resulting in an efficient interaction between their π systems. The resulting compounds are characterized by a layered or
three-dimensional packing of the fullerene molecules. In the C60 complexes, iron(II) and manganese(II) dithiocarbamates exist in the high-spin states (S = 2 and 5/2). The magnetic susceptibility of {MII(Et2dtc)2}2·Cm (M = Fe or Mn, m = 60 or 70) in the temperature range of 200–300 K is described by the Curie-Weiss law with Θ = −250 and −96 K and with maxima
at 110 and 46 K, respectively, which is indicative of a strong antiferromagnetic spin coupling between MII. The Weiss constants for the [{MII(Et2dtc)2}2·DABCO]·C60·(DABCO)2 complexes (M = Fe or Mn) are 1.7 and 0.3 K, respectively. The magnetic moments of the complexes containing Fe and Mn dithiocarbamates
slightly increase at temperatures below 50 and 35 K, respectively, which is evidence of the ferromagnetic spin coupling between
MII in {MII(Et2dtc)2}2·DABCO. Single crystals of the complexes exhibit low dark conductivity (10−10–10−11 S cm−1). The visible light irradiation of these crystals leads to an increase in the photocurrent by two–three orders of magnitude.
The photogeneration of free charge carriers in the complexes occurs both due to the photoexcitation of metal dithiocarbamate
(CuII(Et2dtc)2) and through the charge transfer from metal dithiocarbamate (MII(Et2dtc)2, M = Zn or Cd) to C60.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2072–2087, November, 2007. 相似文献
104.
A. A. Semenov A. V. Zabrodin V. V. Gorlevskiy M. S. Sheverdyaev A. V. Lizunov D. A. Brylev A. S. Anikin S. S. Klykov E. V. Kozlova I. G. Lesina A. L. Nebera I. A. Morozov A. V. Demin A. V. Buzmakov Yu. M. Dymshicz V. V. Volkov O. M. Zhigalina P. V. Konarev D. N. Khmelenin A. V. Seregin R. A. Senin B. S. Roshchin V. E. Asadchikov 《Crystallography Reports》2017,62(1):25-30
The choice of beryllium-based material for the use in X-ray optics has been substantiated based on electron microscopy and X-ray diffraction data. The first results of applying refraction lenses made of this material are reported. 相似文献
105.
106.