diplomsko delo
Nina Miklič (Avtor), Bojan Kozlevčar (Mentor)

Povzetek

Sintetizirala sem šest bakrovih(II) spojin z anionom glutarne kisline (H$_2$L) iz vodne raztopine. Pri sintezi sem praviloma dodala tudi dodatno dušikovo spojino (2-nikotinamid, 3- izonikotinamid, 4- 3-hidroksipiridin, 5- 2-aminopiridin, 6- gvanidinijev karbonat), ki je bila vezana v končnih spojinah. To sem ugotovila iz IR spektrov. Nobene od spojin v tem sistemu nisem našla v CSD kristalografski bazo podatkov. Sem pa našla spojino 1 s formulo CuL(H$_2$O) opisano v viru. Identiteto te spojine sem lahko potrdila s praškovnim XRD. Podobno v drugem viru sem našla tudi za spojino 2. Čeprav se XRD in IR precej ujemata s to spojino, identitete nisem potrdila, saj je tam omenjena prisotnost nitratnih ionov v formuli, kar pa pri moji sintezi za 2 nisem uporabila. Vse spojine 1-6 so modro ali zeleno obarvane in se po barvi in obliki produkta razlikujejo med seboj. Manjše razlike so vidne v UV-Vis spektrih, a se absorbirana svetloba 550-700 nm v spektrih ujema s komplementarno barvo spojin. Vse spojine imajo v IR spektrih prisotna trakova asimetričnega in simetričnega nihanja karboksilnih skupin pri 1570 in 1400 cm$^{-1}$, kar potrjuje vezavo aniona glutarne kisline (L). V IR spektrih se vidijo tudi značilni trakovi C=O skupine (2, 3) pri 1680 cm$^{-1}$. Trakovi NH2 skupin so prisotni nad 3000 cm$^{-1}$ (2, 3, 5, 6).

Ključne besede

glutarna kislina;nikotinamid;izonikotinamid;3-hidroksipiridin;2-aminopiridin;gvanidinijev karbonat;diplomske naloge;

Podatki

Jezik: Slovenski jezik
Leto izida:
Tipologija: 2.11 - Diplomsko delo
Organizacija: UL FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Založnik: [N. Miklič]
UDK: 546.56:547.82(043.2)
COBISS: 205946883 Povezava se bo odprla v novem oknu
Št. ogledov: 54
Št. prenosov: 12
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Angleški jezik
Sekundarni naslov: Copper compounds with the anion of glutaric acid and pyridine ligands
Sekundarni povzetek: Six copper (II) compounds with an anion of glutaric acid (H$_2$L) were synthesized from aqueous solution. Furthermore, an additional nitrogen compound was added during the synthesis (2-nicotinamide, 3- isonicotinamide, 4- 3-hydroxypyridine, 5- 2-aminopyridine, 6- guanidinium carbonate), which is bound in the final compounds. This was noticed from the IR spectra. None of the compounds in this system was found in the CSD crystallographic database for the known crystal structures. On the other hand, a compound 1 with the formula CuL(H$_2$O) was described in the literature. Its identity was confirmed with the powder XRD data. Some similarities were found also for a compound 2in another source. Despite XRD and IR significant match, the final identity was not confirmed, as the nitrate ions are mentioned in that formulae, however it was not taken during my synthesis procedure for 2. All compounds 1-6 are colored blue or green and differ from each other in the color and shape of the product. Smaller differences are visible in the UV-Vis spectra. Nevertheless, the absorbed light 550-700 nm in the spectra coroborrates with the complementary colour of the compounds. All compound’s IR spectra reveal bands of the asymmetric and symmetric stretching vibrations of the carboxylate groups at 1570 and 1400 cm$^{-1}$. These confirm a presence of the glutaric acid anion (L). The characteristic band for C=O bond (2, 3) at 1680 cm$^{-1}$ can be seen in the IR spectra. Bands of NH2 groups are found above 3000 cm$^{-1}$ (2, 3, 5, 6).
Sekundarne ključne besede: glutaric acid;nicotinamide;isonicotinamide;3-hydroxypyridine;2-aminopyridine;guanidine carbonate;Koordinacijske spojine;Baker;Univerzitetna in visokošolska dela;
Vrsta dela (COBISS): Diplomsko delo/naloga
Študijski program: 1000374
Konec prepovedi (OpenAIRE): 1970-01-01
Komentar na gradivo: Univ. v Ljubljani, Fak. za kemijo in kemijsko tehnologijo, VSŠ Kemijska tehnologija
Strani: 1 spletni vir (1 datoteka PDF (43 str.))
ID: 24798332