Zobrazeno 1 - 10
of 11
pro vyhledávání: '"M. N. Ushomirskii"'
Autor:
M. N. Ushomirskii, E. B. Lifshits
Publikováno v:
Theoretical and Experimental Chemistry. 26:286-293
The electronic nature of reaction centers of reactants in the formation of polymethine compounds has been analyzed, and it has been established that the polymethine structures, depending on the combination of parity of the external polymethine chain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af82908abf4ad7ed6f269738c58c9eec
https://doi.org/10.1007/bf00641335
https://doi.org/10.1007/bf00641335
Autor:
M. N. Ushomirskii
Publikováno v:
Theoretical and Experimental Chemistry. 26:255-263
On the basis of a principle of stability of heterocyclic compounds and a theory of effective parameters of heterocycles, a method is proposed for the analysis of reactivity of these molecules, through which heterocycles can be selected in a logical m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4150dcc2aee0311c3ed163180e5d269
https://doi.org/10.1007/bf00641331
https://doi.org/10.1007/bf00641331
Autor:
G. G. Dyadyusha, M. N. Ushomirskii
Publikováno v:
Theoretical and Experimental Chemistry. 22:127-134
A method previously proposed for determining the energy structure of a polymethyne dye with any terminal groups is used in considering formulas for the molecularorbital coefficients and the differences in the distribution on the atoms in the polymeth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::424c80a614110eacbd58a2f857f48b3e
https://doi.org/10.1007/bf00519182
https://doi.org/10.1007/bf00519182
Publikováno v:
Theoretical and Experimental Chemistry. 21:613-621
The absorption and fluorescence spectra of 6-B-thia- and 6-B-imidathiadimethinemerocyaninocyanines were investigated. It was established that the transition from absorption spectra to fluorescence spectra leads to an underestimation of the deviations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e7f0776db47a2bcf059d18c9f2aee7d
https://doi.org/10.1007/bf00945136
https://doi.org/10.1007/bf00945136
Autor:
G. G. Dyadyusha, M. N. Ushomirskii
Publikováno v:
Theoretical and Experimental Chemistry. 23:10-19
A study has been made on the energy structures and long-wave electronic transitions for linear trinuclear polymethine dyes by the method of additive generating functions. The necessary and sufficient conditions have been established for the occurrenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b5ae8b4536fb73b5f50164a68044f10
https://doi.org/10.1007/bf00534970
https://doi.org/10.1007/bf00534970
Autor:
M. N. Ushomirskii, G. G. Dyadyusha
Publikováno v:
Journal of Structural Chemistry. 28:180-188
A method for solving the secular equation for ..pi..-conjugated molecules with a periodic chain and terminal groups conforming to a definite topology has been proposed. The secular polynomial of the molecule is represented in a trigonometric form, in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ca02a4ca96c6d201288bb142bc0eb09
https://doi.org/10.1007/bf00751659
https://doi.org/10.1007/bf00751659
Publikováno v:
Journal of Applied Spectroscopy. 40:419-424
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b9fc97010a1468c0692f144565b1c3e
https://doi.org/10.1007/bf00658464
https://doi.org/10.1007/bf00658464
Autor:
G. G. Dyadyusha, M. N. Ushomirskii
Publikováno v:
Theoretical and Experimental Chemistry. 21:257-267
A general method has been developed for solving the secular equation of binuclear polymethine dyes, with which the following can be accomplished: Successive approximations can be found in analytical form for all eigenvalues in the spectrum of the top
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92dbcb116114a4295c5bed8c5df0a810
https://doi.org/10.1007/bf00523985
https://doi.org/10.1007/bf00523985
Publikováno v:
Chemistry of Heterocyclic Compounds. 25:1071-1078
The basicity values of symmetrical polymethine dyes have been compared and correlated with a variety of parameters obtained both experimentally or derived by calculations, as well as with parameters obtained by quantum mechanical methods, characteriz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab15fe1751463447531327d79711de34
https://doi.org/10.1007/bf00487314
https://doi.org/10.1007/bf00487314
Autor:
M. N. Ushomirskii, G. G. Dyadyusha
Publikováno v:
Theoretical and Experimental Chemistry. 25:243-247
An additive generative function method previously proposed has been used to derive analytic expressions for the charge and bond-order distributions in polymethine chains for binuclear polymethine compounds. The π-electron wave amplitude is determine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1d1a3d678597410527f43eb200fce30
https://doi.org/10.1007/bf01298998
https://doi.org/10.1007/bf01298998