ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Synthesis, spectral, thermal, structural, optical characterization, and Hirshfield surface analysis of N,N’-diethylnicotinamide complexes of Mn(II) and Co(II) 4-cyanobenzoates

Mustafa Sertçelik, Füreya Elif Özbek, Mustafa Yüksek, Ayhan Elmalı, Ömer Aydoğdu, Hacali Necefoğlu, and Tuncer Hökelek

Department of Chemical Engineering, Faculty of Engineering and Architecture, Kafkas University, Kars, Turkey

 

E-mail: mustafasertcelik@gmail.com

Received: 17 September 2019  Accepted: 23 December 2019

Abstract:

Two new complexes, [M(4-CNB)2(DENA)2(H2O)2] (where M: Co and Mn, 4-CNB = 4-cyanobenzoate and DENA = N,N’-diethylnicotinamide), were synthesized and characterized using different techniques (elemental analysis, FT-IR Spectroscopy, single-crystal X-ray diffraction, and TGA/DTA analysis). Looking at the crystal structure of the complexes, the metal atoms are coordinated by two nitrogen atoms from two DENA ligands, two carboxyl oxygen atoms from two 4-cyanobenzoate anions, and two oxygen atoms from two water molecules, and the complexes have distorted octahedral geometry around the metal atom center. Both complexes were crystallized with the P-1 space group in the triclinic system. The linear absorption and emission features of the complexes were recorded by UV–Vis and fluorescence spectrophotometers, respectively. Linear absorption and emission results of the complexes showed that [Mn(4-CNB)2(DENA)2(H2O)2] complex can be used as optical filter below 400 nm wavelength when [Co(4-CNB)2(DENA)2(H2O)2] complex has a good application potential among the fluorescent materials, because of its high emission intensity. In addition, the Hirshfeld surfaces analyses of complexes have been investigated in detail.

Keywords: Metal complex; 4-cyanobenzoic acid; N,N’-diethylnicotinamide; Optical characterization; X-ray diffraction; Hirshfeld surface analysis

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-019-01040-0

 

Chemical Papers 74 (6) 2021–2033 (2020)

Tuesday, June 25, 2024

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