Heavy metal complexes of 4-chlorodipicolinic acid - structural, spectral and thermal correlations

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F19%3A10404396" target="_blank" >RIV/00216208:11310/19:10404396 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=idO_AgYbD0" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=idO_AgYbD0</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1080/00958972.2019.1675873" target="_blank" >10.1080/00958972.2019.1675873</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Heavy metal complexes of 4-chlorodipicolinic acid - structural, spectral and thermal correlations

Popis výsledku v původním jazyce

The ligand, 4-chloro-2,6-dipicolinic acid (H(2)PDA-Cl), and its two heavy metal complexes, [Ag(HDPA-Cl)(H(2)DPA-Cl)center dot 2H(2)O] (1) and {[Cd(mu(2)-H2O)(H2O)(PDA-Cl)]}(n) (2), were prepared and then characterized by single-crystal X-ray diffraction. In addition, spectral and thermal correlations with structural results complete their solid-state description and facilitate complex 3 ([Pb(DPA-Cl)]) composition determinations. Complex 1 crystallizes in a monoclinic space group C2/c and each DPA-Cl ligand is tridentate to Ag(I) through the pyridine N and two monodentate carboxyl O atoms. The carboxy group with carbonyl C1 is semideprotonated and forms a symmetric hydrogen bond with a carboxy group of a neighboring complex. Complex 2 crystallizes in a triclinic lattice with space group P The Cd(II) ions are seven-coordinate and the coordination polyhedra can be described as a distorted pentagonal bipyramid. IR data are consistent with monodentate coordination of the carboxylate to Ag(I), Cd(II), and Pb(II) and observed wavenumber shifts confirm PDA-Cl ligand coordination to Pb(II) in 3. Thermal stability of anhydrous complexes indicates the metal-ligand interactions. The thermal stability of prepared compounds is reflected by the strength of interaction between metal-ligand and hydrogen bonds.

Název v anglickém jazyce

Heavy metal complexes of 4-chlorodipicolinic acid - structural, spectral and thermal correlations

Popis výsledku anglicky

The ligand, 4-chloro-2,6-dipicolinic acid (H(2)PDA-Cl), and its two heavy metal complexes, [Ag(HDPA-Cl)(H(2)DPA-Cl)center dot 2H(2)O] (1) and {[Cd(mu(2)-H2O)(H2O)(PDA-Cl)]}(n) (2), were prepared and then characterized by single-crystal X-ray diffraction. In addition, spectral and thermal correlations with structural results complete their solid-state description and facilitate complex 3 ([Pb(DPA-Cl)]) composition determinations. Complex 1 crystallizes in a monoclinic space group C2/c and each DPA-Cl ligand is tridentate to Ag(I) through the pyridine N and two monodentate carboxyl O atoms. The carboxy group with carbonyl C1 is semideprotonated and forms a symmetric hydrogen bond with a carboxy group of a neighboring complex. Complex 2 crystallizes in a triclinic lattice with space group P The Cd(II) ions are seven-coordinate and the coordination polyhedra can be described as a distorted pentagonal bipyramid. IR data are consistent with monodentate coordination of the carboxylate to Ag(I), Cd(II), and Pb(II) and observed wavenumber shifts confirm PDA-Cl ligand coordination to Pb(II) in 3. Thermal stability of anhydrous complexes indicates the metal-ligand interactions. The thermal stability of prepared compounds is reflected by the strength of interaction between metal-ligand and hydrogen bonds.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Coordination Chemistry

ISSN

0095-8972

e-ISSN

—

Svazek periodika

72

Číslo periodika v rámci svazku

18

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

17

Strana od-do

3013-3029

Kód UT WoS článku

000492202300001

EID výsledku v databázi Scopus

2-s2.0-85074347475