Supramolecular diversity in metal–organic hybrids with $[VO_2(2,6-pydc)]^−$ anion and piperazine and its derivatives

Hozjan, Mišel (avtor), Perdih, Franc (avtor)

Ten compounds have been prepared among them six different dioxido(pyridine-2,6-dicarboxylato)vanadate(V) compounds with piperazinium (H$_2$pip$^{2+}$) (1·6H$_2$O), methylpiperazinium (H$_2$mepip$^{2+}$) (2·5H$_2$O), ethylpiperazinium (H$_2$etpip$^{2+}$) (3·3H$_2$O), isopropylpiperazinium (H$_2$isopip$^{2+}$) (4·H$_2$O), phenylpiperazinium (Hphepip$^+$) (5∙H$_2$O) and thiomorpholinium 1-oxide (HtmorO$^+$) (6·2,6-H$_2$pydc·2H$_2$O) cations as counterions as well as methylpiperazinium (H$_2$mepip$^{2+}$) salt of a mixed valence vanadium [VO(2,6-pydc)-(μ-O)-VO(H$_2$O)(2,6-pydc)]$^−$ complex (7), thiomorpholin-4-ium vanadate (Htmor)VO$_3$ (8), hexa(thiomorpholin-4-ium) decavanadate hexahydrate (Htmor)$_6$[V$_{10}$O$_{28}$]·6H$_2$O (9·6H$_2$O) and organic salt cocrystal thiomorpholin-4-ium 6-carboxypicolinate pyridine-2,6-dicarboxylic acid (Htmor)$^+$(2,6-Hpydc)$^−$∙(2,6-H$_2$pydc)·2H$_2$O (10·2H$_2$O) via different pathways starting either from pyridine-2,6-dicarboxylic acid or its esters, and were structurally characterized by single-crystal X-ray diffraction. Extended hydrogen bonding interactions are present due to the presence of organic cations as well as due to the diverse roles of water molecules in the hydrogen bonding network. Centrosymmetric hydrogen bonding was found to be an important motif, and diverse supramolecular patterns were also observed due to a wide variety of C–H···O and π···π interactions stabilizing the crystal lattices.

• Jezik: Angleški jezik
• Ključne besede: vanadium, metal complexes, supramolecular interactions, crystal structure
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: FKKT - Fakulteta za kemijo in kemijsko tehnologijo
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2026
• Št. strani: 21 str.
• Številčenje: Vol. 18, iss. 4, art. 679
• PID: 20.500.12556/RUL-182366
• UDK: 546.881:547.82:544.1
• ISSN pri članku: 2073-8994
• DOI: 10.3390/sym18040679
• COBISS.SI-ID: 277401091
• Datum objave v RUL: 08.05.2026

Gradivo je del revije

• Naslov: Symmetry
• Skrajšan naslov: Symmetry
• Založnik: MDPI
• ISSN: 2073-8994
• COBISS.SI-ID: 517592345

Licence

• Licenca: CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
• Povezava: http://creativecommons.org/licenses/by/4.0/deed.sl
• Opis: To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

• Jezik: Slovenski jezik
• Ključne besede: vanadij, kovinski kompleksi, supramolekularne interakcije, kristalna struktura

Projekti

• Financer: ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
• Številka projekta: P1-0175
• Naslov: Napredna anorganska kemija