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Crystallization of new copper halide polymorphs from supramolecular gels (CROSBI ID 647074)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Cetina, Mario ; Džolić, Zoran Crystallization of new copper halide polymorphs from supramolecular gels // 25. Hrvatski skup kemičara i kemijskih inženjera s međunarodnim sudjelovanjem ; 3. simpozij Vladimir Prelog : knjiga sažetaka = 25th Croatian Meeting of Chemist and Chemical Engineers with international participation. 3rd symposium “Vladimir Prelog” : Book of Abstracts / Šantić, Ana ; Đaković, Marijana (ur.). Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI) ; Hrvatsko kemijsko drustvo, 2017. str. 156-156

Podaci o odgovornosti

Cetina, Mario ; Džolić, Zoran

engleski

Crystallization of new copper halide polymorphs from supramolecular gels

The self-assembly of low-molecular-weight organogelators (LMWGs) renders supramolecular gels by the operation of hierarchical non-covalent forces. The unique features of supramolecular gels and their dynamic nature have stimulated numerous curiosity-driven studies, as well as the discovery of potentially innovative and highly technological applications. Particularly interesting is the exploitation of supramolecular gels as media for the crystal growth of molecular species since it is possible to attain different polymorphs and crystal habits, one of the key issue in pharmaceutical industry. Gel phase crystallization represents a prime de facto example of orthogonal self-assembly of the crystals and gel network, which are generally microphase separated and retain a distinct identity [1]. We have recently described the CuX2-induced (X = Cl, Br) and water-mediated metallogel formation by a pyridine containing anthraquinone-based ligand in dimethyl sulfoxide (DMSO) [2]. This system withstands the presence of a significant excess of Cu(II) ions and we have exploited this unusual feature as a medium for a metal salt crystal growth. Indeed, the crystals of two copper halide polymorphs are produced spontaneously upon aging the Cu(II)-metallogel after one week at room temperature. X-ray crystal structure analysis showed that one Cu(II) complex is mononuclear, while the other is dihalo-bridged Cu(II) complex. In both of them, [CuBr2(DMSO)3] and [CuCl(DMSO)2(mi-Cl)]2, polyhedron around the Cu(II) ion could be best described as distorted square pyramid (Figure 1).

metallogel ; crystallization ; X-ray diffraction

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Podaci o prilogu

156-156.

2017.

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objavljeno

978-953-552327-7

Podaci o matičnoj publikaciji

25. Hrvatski skup kemičara i kemijskih inženjera s međunarodnim sudjelovanjem ; 3. simpozij Vladimir Prelog : knjiga sažetaka = 25th Croatian Meeting of Chemist and Chemical Engineers with international participation. 3rd symposium “Vladimir Prelog” : Book of Abstracts

Šantić, Ana ; Đaković, Marijana

Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI) ; Hrvatsko kemijsko drustvo

Podaci o skupu

25. Hrvatski skup kemičara i kemijskih inženjera s međunarodnim sudjelovanjem ; 3. simpozij Vladimir Prelog = 25th Croatian Meeting of Chemist and Chemical Engineers with international participation. 3rd symposium “Vladimir Prelog”

poster

12.04.2017-22.04.2017

Poreč, Hrvatska

Povezanost rada

Kemija