Naslov
NMR Characterization of Polymeric Mercury(II) Complexes of 3-Hydroxypicolinic Acid

Autori
Vikić-Topić, Dražen ; Vinković, Marijana ; Popović, Zora ; Pavlović, Gordana ; Matković- Čalogović, Dubravka ; Popović, Jasminka ; Vicković Ivan

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Fifth International DU NMR Course & Conference : Book of Abstracts / - , 2006, 15-15

Skup
Fifth International DU NMR Course & Conference

Mjesto i datum
Dubrovnik, Hrvatska, 02.11.2006. - 05.11.2006

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
NMR ; XRD ; Hg(II) complexes

Sažetak
The new polymeric mercury(II) complexes of 3- hydroxypicolinic acid (HpicOH) HgCl(picOH) (1) and HgBr_2(HpicOH) (2) were obtained as reaction products of corresponding mercury(II) halide and 3-hydroxypicolinic acid. The crystal structures of 1 and 2 were determined by X-ray diffraction. The compound 2 has a polymeric chain structure consisting of [HgBr_2L]n moieties, which are linked by means of the mercury to bromine secondary long range interactions. The coordination sphere of mercury can be described as irregular 2+3 formed by the two bromine atoms (Hg- Br1' 2.277(1) and Hg-Br2 2.366(1) Å ; ), two bridging bromine atoms (Hg-Br1' 3.309 (1) and Hg- Br2'' 3.247(1) Å ; ) and by the OHpicH ligand attached to mercury in the zwitterionic form via carboxylic oxygen atom (2.602(7) Å ; ). Mercury(II) acetate gave Hg(picOH)2 (3) while nitrate gave 1/1 solvate with water Hg(picOH)2• H2O (3a). Infrared, 1^H and 13C NMR spectroscopic data for the complexes are consistent with the crystallographic results.

Izvorni jezik
Engleski

Znanstvena područja
Kemija

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