| Conţinutul numărului revistei |
| Articolul precedent |
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 SM ISO690:2012BUDNIKOV, S., GORBACHEV, Mikhail, PELYAKH, M.. Coordination properties of macrocyclic nitrogen-containing compounds in an acidic medium. In: Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya, 1999, vol. 25, pp. 95-97. ISSN -. |
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  Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya |
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| Volumul 25 / 1999 / ISSN - /ISSNe 1070-3284 | ||||||
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| Pag. 95-97 | ||||||
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Changes in the stability of macrocyclic 1,4,8,11-tetraazacyclotetradecane [14]aneN4, 1,4,8,12-tetraazacyclopentadecane [15]aneN4, and bis(N,N-dimethylperhydropyrazine) compounds upon their protonation were studied by the quantum-chemical methods. The symmetric protonated systems are shown to be most stable, and [14]aneN4 has the highest stability. The behavior of the systems upon stepwise protonation was considered. The effect of macrocycle isomerization in cyclam on the stability of its coordination compounds was studied. The theoretical considerations agree well with the experimental data. |
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