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Cпектроскопические характеристики интермедиатов разложения метанола на нанокластере платины
(Сибирский федеральный университет. Siberian Federal University, 2020-06)
.06.2020
Abstract. The density functional method was used to study vibrational frequenciesof
the surface species involved in the reaction of the methanol dehydration via pathway
CH3OH→CH3O→CH2O→CHO→СОon a ideal Pt(111) surface and surface of nanoparticle
Pt79...
частиц, образующихся в ходе реакции разложения метанола по маршруту CH3OH→CH3O→CH2O→CHO→СО на идеальной поверхности Pt(111) и поверхности наночастицы Pt79. Показана связь спектральных характеристик со стабильностью и способом координации частиц на...
частиц, образующихся в ходе реакции разложения метанола по маршруту CH3OH→CH3O→CH2O→CHO→СО на идеальной поверхности Pt(111) и поверхности наночастицы Pt79. Показана связь спектральных характеристик со стабильностью и способом координации частиц на...
Products of Homogeneous Two-Stage Oxidation of 1-Butene to Butanone with O2 Over the Catalyst Pd + Heteropoly Acid
(Сибирский федеральный университет. Siberian Federal University., 2013-09)
of chloroorganics strongly increased also at elevated temperature [4] but decreased after
dehydrochlorination (see later). Besides, various amounts of aldehydes, RCH
2
CHO, were formed
together with ketones, CH
3
COR. When propene or 1-butene were oxidized, yield...
of RCH 2 CHO varied from 3 to 18 % [2, 5]. Only in oxidation of 2-butene, butanone was the single reaction product [1]. Now © Siberian Federal University. All rights reserved * Corresponding author E-mail address: zhizh@catalysis.ru – 222 – Viktor F...
of RCH 2 CHO varied from 3 to 18 % [2, 5]. Only in oxidation of 2-butene, butanone was the single reaction product [1]. Now © Siberian Federal University. All rights reserved * Corresponding author E-mail address: zhizh@catalysis.ru – 222 – Viktor F...
Products of Homogeneous Two-Stage Oxidation of 1-Butene to Butanone with O2 over the Catalyst Pd + Heteropoly Acid
(Сибирский федеральный университет. Siberian Federal University., 2009-05)
dehydrochlorination (see later). Besides,
various amounts of aldehydes, RCH
2
CHO, were
formed together with ketones, CH
3
COR. When
propene or 1-butene were oxidized, yield of
RCH
2
CHO varied from 3 to 18% [2, 5]. Only in
oxidation of 2-butene, butanone...
was the single reaction product [1]. Now only the oxidation of C 2 H 4 to CH 3 CHO is implemented with the Wacker catalyst on industrial scale [6]. To eliminate formation of chlorinated products in oxidation of lower alkenes C 2 –C 4 with dioxygen...
was the single reaction product [1]. Now only the oxidation of C 2 H 4 to CH 3 CHO is implemented with the Wacker catalyst on industrial scale [6]. To eliminate formation of chlorinated products in oxidation of lower alkenes C 2 –C 4 with dioxygen...
Formation of 5-Fluoromethylfurfural from 5-Halomethylfurfurals Catalyzed by Crown Ethers
(Сибирский федеральный университет. Siberian Federal University., 2015-03)
1H, CHO).
13
C NMR spectral data (600 MHz, CDCl3). δ, ppm: 178.2 (s C1), 154.5 (d C5,
J2C-F = 18.5 Hz), 148 (s C2), 121.5 (s C3), 113.2 (d С4, J
2
C-F = 6 Hz), 75.5 (d C6,
J
2
C-F = 166.2 Hz).
O
FO
1
2
3 4
5
6
The observed spin-spin coupling...
constant for fluoromethyl group J 2 H-F = 48 Hz is in agreement with the typical values for this group [12, 13]. Mass-spectrum, 70 eV, m/z (rel. int.): 128 [М] + (100), 127 [М-H] + (75), 110 [М-F] + (3), 99 [М-CHO] + (35), 81 [М-CHO-F] + (3), 80...
constant for fluoromethyl group J 2 H-F = 48 Hz is in agreement with the typical values for this group [12, 13]. Mass-spectrum, 70 eV, m/z (rel. int.): 128 [М] + (100), 127 [М-H] + (75), 110 [М-F] + (3), 99 [М-CHO] + (35), 81 [М-CHO-F] + (3), 80...
Giant hydrogen effect on the structure and physical properties of ZnO and Co-doped ZnO films fabricated by the RF magnetron sputtering in Ar+H2 atmosphere
(2019-11)
.1016/j.solmat.2012.03.033.
[5] U. Ozgur, Ya.I. Alivov, C. Liu, A. Teke, M.A. Reshchikov, S. Dogan, V. Avrutin,
S.J. Cho, H. Morkoc, A comprehensive review of ZnO materials and devices, J. Appl.
Phys. 98 (2005) 41301, https://doi.org/10.1063/1.1992666.
[6...
–272, https://doi.org/10.1016/j.tsf.2015.10.044. [10] H.-J. Lee, C.H. Park, S.-Y. Jeong, K.-J. Yee, C.R. Cho, M.-H. Jung, D.J. Chadi, Hydrogen-induced ferromagnetism in ZnCoO, Appl. Phys. Lett. 88 (2006) 62504, https://doi.org/10.1063/1.2171789. [11] Y.C. Cho...
–272, https://doi.org/10.1016/j.tsf.2015.10.044. [10] H.-J. Lee, C.H. Park, S.-Y. Jeong, K.-J. Yee, C.R. Cho, M.-H. Jung, D.J. Chadi, Hydrogen-induced ferromagnetism in ZnCoO, Appl. Phys. Lett. 88 (2006) 62504, https://doi.org/10.1063/1.2171789. [11] Y.C. Cho...
Crystallographic, thermal and spectroscopic characterization of the anhydrous thiourea−barbituric acid and thiourea−2-thiobarbituric acid co-crystals
(2019-01)
of compounds
was solved by the X-ray single crystal diffraction technique. In 1-2, N—H···O, N—H···S,
C—H···S and C—H···O hydrogen bonds form the different 3D nets. In structure 1,
centrosymmetric dimers of H2ba and Tu molecules are formed by two N...
molecule. There are nine intermolecular hydrogen bonds N—H∙∙∙O, N—H∙∙∙S, C—H∙∙∙O, and C—H∙∙∙S in the structure (Table 3S) which form a very complex 3D structure with the shortest ring motifs [15] R2 1(6), R2 2(6), R2 2(8), R3 2(8), R4 3(10), R4 3...
molecule. There are nine intermolecular hydrogen bonds N—H∙∙∙O, N—H∙∙∙S, C—H∙∙∙O, and C—H∙∙∙S in the structure (Table 3S) which form a very complex 3D structure with the shortest ring motifs [15] R2 1(6), R2 2(6), R2 2(8), R3 2(8), R4 3(10), R4 3...
Теоретическое исследование дегидрирования метанола на нанокластере платины
(Сибирский федеральный университет. Siberian Federal University, 2016-12)
последующий отрыв атомов водорода:
CH3OH > CH3O > CH2O > CHO > CO.
Наличие высоко- (ВК) и низкокоординированных (НК) атомов платины, расположенных
на наногранях, ребрах и вершинах нанокластеров, делают эти системы также привлекатель-
ными для проведения...
-top -1,28 -1,20 top-corner(O)-top-edge(C) top-corner(С)-top-edge(O) -0,70 CHO -2,52 -2,46 top top(C)-bridge(O) -3,00 -2,95 -2,75 top-corner(С)-top-edge(O) top-corner(O)-top-edge(C) top-corner(С) -0,48 -0,43 CO -1,71 top -2,28 bridge-edge -0,57 -1,83 fcc...
-top -1,28 -1,20 top-corner(O)-top-edge(C) top-corner(С)-top-edge(O) -0,70 CHO -2,52 -2,46 top top(C)-bridge(O) -3,00 -2,95 -2,75 top-corner(С)-top-edge(O) top-corner(O)-top-edge(C) top-corner(С) -0,48 -0,43 CO -1,71 top -2,28 bridge-edge -0,57 -1,83 fcc...
Structure of bis(2-Thiobarbiturate)Tris (2,2-Bipyridyl)Nickel(II) Hexahydrate
(2019-01)
+ cations are located. The Bipy molecules and the Htba − ions are involved in C–H⋯O HBs and the π−π interaction. The results of the thermal analysis and IR spectroscopy agree with the single crystal XRD data. © 2019, Pleiades Publishing, Ltd....
Problem of Self-consciousness and Conceptual Thinking in the Theory of Vigotsky: in the Spirit of “The Phenomenology of Spirit” by Hegel and “Ethics” by Spinoza
(Сибирский федеральный университет. Siberian Federal University., 2015-08)
Kamiya*
Kyoto-Tachbiana University
34 Yamada-cho Oyake, Yamashina-ku, Kyoto 607-8175, Japan
Received 16.04.2015, received in revised form 21.05.2015, accepted 30.06.2015
The article discusses the connection of the philosophy of Hegel and Spinoza in L...
A method of equalizing frequency responses of adaptive antenna array channels
(2017-08)
the characteristics of interference suppression in
adaptive antenna array and for equalizing frequency response
of non adaptive arrays.
REFERENCES
[1] Nishimori K.,Cho K.,Takatori Y., Hori T., “A new calibration method of
adaptive array for TDD systems”, IEEE...
Antennas and Propagation Society International Symposium, Jul 11-16 1999. Vol. 2. pp. 1444- 1447. [2] Nishimori K.,Cho K.,Takatori Y.,Hori T., “Automatic calibration method of adaptive array for FDD systems”, IEEE Antennas and Propagation Society...
Antennas and Propagation Society International Symposium, Jul 11-16 1999. Vol. 2. pp. 1444- 1447. [2] Nishimori K.,Cho K.,Takatori Y.,Hori T., “Automatic calibration method of adaptive array for FDD systems”, IEEE Antennas and Propagation Society...