Synthesis, Crystal Structures of Gadolinium(III) and Erbium(III) Complexes Derived from Pyridine-2,6-Dicarboxylic Acid and Fluorescent Sensing of Picric Acid
Yazarlar (8)
S. Sharif Government College University Lahore, Pakistan
S. Zaheer
Government College University Lahore, Pakistan
M. W. Mumtaz
University of Gujrat, Pakistan
Prof. Dr. Onur ŞAHİN Sinop Üniversitesi, Türkiye
S. Ahmad
Prince Sattam Bin Abdulaziz University, Suudi Arabistan
S. Zulfiqar
Government College University Lahore, Pakistan
A. Adnan
Government College University Lahore, Pakistan
I. U. Khan University of Sialkot, Pakistan
Makale Türü Açık Erişim Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Russian Journal of Coordination Chemistry Koordinatsionnaya Khimiya (Q3)
Dergi ISSN 1070-3284 Dergi Bilgileri (2021)
Dergi Tarandığı Indeksler SCI-Expanded
Makale Dili Türkçe Basım Tarihi 01-2021
Kabul Tarihi 22-03-2020 Yayınlanma Tarihi 01-01-2021
Cilt / Sayı / Sayfa 47 / 1 / 95–104 DOI 10.1134/S1070328420120076
Makale Linki http://dx.doi.org/10.1134/s1070328420120076
UAK Araştırma Alanları
Yoğun Madde Fiziği
Özet
Two new complexes of gadolinium(III) and erbium(III) with pyridine-2,6-dicarboxylic acid (H2Pydc),{Na3[Gd(Pydc)3]·2H2O}n (I) and [Er(HPydc)3]·10H2O (II), were prepared and their crystal structures were determined by X-ray crystallography (CIF files CCDC nos. 940633 (I) and 872068 (II)). The gadolinium atom in I is nine-coordinate (GdN3O6) and exhibits a tricapped trigonal prismatic geometry having 14 triangular faces. The Pydc ligand adopts chelating and, μ3- and μ5-bridging coordination modes. The 1D chains are further joined by Na atoms to generate a 3D coordination polymer. The structure is additionally stabilized by H-bonding. The Erbium polyhedron in II is also a tricapped trigonal prism (ErN3O6). The HPydc anions in II behave as tridentate chelating ligands. The complex molecules are connected to each other through hydrogen bonding interactions to form a three-dimensional network …
Anahtar Kelimeler
crystal structure | erbium(III) | fluorescence quenching | gadolinium(III) | pyridine-2,6-dicarboxylate