Dihydrogen bonding formed by (hydrido)[hydrotris(pyrazolyl)borato]ruthenium. The effect of ligands on the proton-accepting ability of ruthenium complexes
Publication type: Journal Article
Publication date: 2014-11-01
scimago Q3
SJR: 0.305
CiteScore: 2.8
Impact factor: —
ISSN: 10665285, 15739171
General Chemistry
Abstract
Reactions of [1,2-bis(diphenylphosphino)ethane](hydrido)[hydrotris(pyrazolyl)borato]-ruthenium with proton donors were studied by IR and 1H NMR spectroscopy in CH2Cl2 over a wide temperature range. Dihydrogen bonding to CF3CH2OH was detected; its spectral and thermodynamic parameters (ΔH° =–3.3±0.2 kcal mol–1, ΔS° =–6.7±0.6 cal mol–1 K–1) were determined. The basicity factor E j of the hydride ligand is 0.81. The H⋯H distance in the dihydrogen-bonded complex (2.05 Å) was estimated from the changes in the spin-lattice relaxation time T 1min of the hydride resonance. Comparison of the results obtained with the literature data revealed a correlation between the length and enthalpy of formation of the dihydrogen bond as well as a correlation between the basicity of the hydride ligand and the tendency of the fragment [ML n ] toward stabilization and oxidative addition of H2.
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Silantyev G. A. et al. Dihydrogen bonding formed by (hydrido)[hydrotris(pyrazolyl)borato]ruthenium. The effect of ligands on the proton-accepting ability of ruthenium complexes // Russian Chemical Bulletin. 2014. Vol. 63. No. 11. pp. 2434-2437.
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Silantyev G. A., Kozinets E. M., Filippov O. A., Yakurnova E. D., Belkova N. V. Dihydrogen bonding formed by (hydrido)[hydrotris(pyrazolyl)borato]ruthenium. The effect of ligands on the proton-accepting ability of ruthenium complexes // Russian Chemical Bulletin. 2014. Vol. 63. No. 11. pp. 2434-2437.
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TY - JOUR
DO - 10.1007/s11172-014-0759-4
UR - https://doi.org/10.1007/s11172-014-0759-4
TI - Dihydrogen bonding formed by (hydrido)[hydrotris(pyrazolyl)borato]ruthenium. The effect of ligands on the proton-accepting ability of ruthenium complexes
T2 - Russian Chemical Bulletin
AU - Silantyev, G A
AU - Kozinets, E M
AU - Filippov, O. A.
AU - Yakurnova, E D
AU - Belkova, N. V.
PY - 2014
DA - 2014/11/01
PB - Springer Nature
SP - 2434-2437
IS - 11
VL - 63
SN - 1066-5285
SN - 1573-9171
ER -
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@article{2014_Silantyev,
author = {G A Silantyev and E M Kozinets and O. A. Filippov and E D Yakurnova and N. V. Belkova},
title = {Dihydrogen bonding formed by (hydrido)[hydrotris(pyrazolyl)borato]ruthenium. The effect of ligands on the proton-accepting ability of ruthenium complexes},
journal = {Russian Chemical Bulletin},
year = {2014},
volume = {63},
publisher = {Springer Nature},
month = {nov},
url = {https://doi.org/10.1007/s11172-014-0759-4},
number = {11},
pages = {2434--2437},
doi = {10.1007/s11172-014-0759-4}
}
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Silantyev, G. A., et al. “Dihydrogen bonding formed by (hydrido)[hydrotris(pyrazolyl)borato]ruthenium. The effect of ligands on the proton-accepting ability of ruthenium complexes.” Russian Chemical Bulletin, vol. 63, no. 11, Nov. 2014, pp. 2434-2437. https://doi.org/10.1007/s11172-014-0759-4.
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