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Structural transformations in crystals induced by radiation and pressure. Pt. 7, Molecular and crystal geometries as factors deciding about photochemical reactivity under ambient and high pressures

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cris.lastimport.scopus2024-02-12T19:54:04Z
dc.abstract.enWe studied the photochemical reactivity of salts of 4-(2,4,6-triisopropylbenzoyl)benzoic acid with propane-1,2-diamine (1), methanamine (2), cyclohexanamine (3), and morpholine (4), for compounds (1), (3), and (4) at 0.1 MPa and for compounds (1) and (2) at 1.3 GPa and 1.0 GPa, respectively. The changes in the values of the unit cell parameters after UV irradiation and the values of the intramolecular geometrical parameters indicated the possibility of the occurrence of the Norrish–Yang reaction in the case of all the compounds. The analysis of the intramolecular geometry and free spaces revealed which o-isopropyl group takes part in the reaction. For (1), the same o-isopropyl group should be reactive at ambient and high pressures. In the case of (2), high pressure caused the phase transition from the space group I2/a with one molecule in the asymmetric unit cell to the space group P1¯ with two asymmetric molecules. The analysis of voids indicated that the Norrish–Yang reaction is less probable for one of the two molecules. For the other molecule, the intramolecular geometrical parameters showed that except for the Norrish–Yang reaction, the concurrent reaction leading to the formation of a five-membered ring can also proceed. In (3), both o-isopropyl groups are able to react; however, the bigger volume of a void near 2-isopropyl may be the factor determining the reactivity. For (4), only one o-isopropyl should be reactive.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorTUROWSKA-TYRK, ILONA
dc.contributor.authorBĄKOWICZ, JULIA
dc.contributor.authorGalica, Tomasz
dc.contributor.authorKONIECZNY, KRZYSZTOF
dc.contributor.authorCiesielski, Arkadiusz
dc.date.accessioned2024-01-26T08:21:44Z
dc.date.available2024-01-26T08:21:44Z
dc.date.copyright2018-07-20
dc.date.issued2018
dc.description.accesstimeAT_PUBLICATION
dc.description.financeNie dotyczy
dc.description.number7
dc.description.versionFINAL_PUBLISHED
dc.description.volume8
dc.identifier.doi10.3390/CRYST8070299
dc.identifier.issn2073-4352
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/120904
dc.identifier.weblinkhttp://dx.doi.org/10.3390/cryst8070299
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofCrystals
dc.relation.pagesart.no. 299
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.plchemia ciała stałego
dc.subject.plreakcja Norrisha-Yanga
dc.subject.plkrystalografia wysokociśnieniowa
dc.subject.plrentgenowska analiza strukturalna
dc.titleStructural transformations in crystals induced by radiation and pressure. Pt. 7, Molecular and crystal geometries as factors deciding about photochemical reactivity under ambient and high pressures
dc.typeJournalArticle
dspace.entity.typePublication