Structural studies on Cd(II) complexes incorporating di-2-pyridyl ligand and the X-ray crystal structure of the chloroform solvated DPMNPH/CdI2 complex

Warad, Ismail; Azam, Mohammad; Al‐Resayes, Saud I.; Khan, Mohd Shahnawaz; Ahmad, Pervez; Al-Nuri, Mohammed; Jodeh, Shehdeh; Husein, Ahmad; Haddad, Salim F.; Hammouti, B.; Al-Noaimi, Mousa

doi:10.1016/j.inoche.2014.02.036

Cited by 22 publications

(16 citation statements)

References 28 publications

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“…The X-ray intensity Data were collected on a Bruker APEX-II CCD area diffractometer and equipped with graphite monochromatic MoK α radiation of wavelength 0.71073 Å at 100 (2) K. Cell refinement and data reduction were carried out using SAINT PLUS [24]. The structure was solved by direct methods and refined by full-matrix least squares method on F 2 using SHELXS and SHELXL programs [40].…”

Section: Methodsmentioning

confidence: 99%

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Synthesis, spectral, thermal, crystal structure, Hirschfeld analysis of [bis(triamine)Cadimium(II)][Cadimum(IV)tetra-bromide] complexes and their thermolysis to CdO nanoparticles

Warad

Al‐Rimawi

Barakat

et al. 2016

Chemistry Central Journal

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BackgroundThe coordination chemistry of cadmium(II) with diamine ligands is of particular interest. The most common structure around cadmium(II) center in their complexes is tetrahedral, that is due the octet rule obeyed. Nevertheless, five and six-coordinated complexes are also well known. Now a day, many cadmium(II) complexes with chelate ligands were synthesized for their structural or applications properties. Antibacterial activities and DNA binding affinity of this class of cadmium complexes have attracted considerable interest.ResultsCadmium(II) complexes in dicationic form with general formula [Cd(dien)2]CdBr4 complex 1 (dien = diethylenetriamine) and [Cd(dipn)2]CdBr4 complex 2 (dipn = diproylenetriamine) were prepared and elucidated there chemical structures by elemental analysis, UV–Vis, IR, TG and NMR, additionally complex 1 structure was solved by X-ray diffraction study. The Cd(II) cation is located in a slightly distorted octahedral geometry while Cd(IV) anion is in tetrahedral geometry. High stability of the synthesized complexes confirmed by TG. Thermolysis of complex 1 revealed the formation of pure cubic nanoparticles CdO which was deduced by spectral analysis. The average size of CdO nanoparticles was found to be ~60 nm.ConclusionsTwo new Cd(II) complexes of general formula [Cd(N3)2]CdBr4 were made available. The structure of [Cd(dien)2]CdBr4 was confirmed by X-ray diffraction. Thermal, electro and spectral analysis were also investigated in this study. The direct thermolysis of such complexes formed a cubic CdO regular spherical nanoparticle with the ~60 nm average particle size.Graphical abstractORTEP for the complex 1

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Section: Methodsmentioning

confidence: 99%

“…In the last decade, spherical shape metal oxide nanoparticles [24] composed of a mixed-ligand dinuclear and mononuclear cadmium(II) complexes building blocks [25–28]. We reported the synthesis and characterization of two now dicationic cadmium(II) complexes with general formula [Cd(N 3 ) 2 ]CdBr 4 .…”

Section: Introductionmentioning

confidence: 99%

Synthesis, spectral, thermal, crystal structure, Hirschfeld analysis of [bis(triamine)Cadimium(II)][Cadimum(IV)tetra-bromide] complexes and their thermolysis to CdO nanoparticles

Warad

Al‐Rimawi

Barakat

et al. 2016

Chemistry Central Journal

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“…In connection with previous work [12][13][14][15][16][17][18], we report the preparation of 1,3-bis[(E)-(3-bromobenzylidene)amino]propan-2-ol, its spectroscopic characterization, and computational studies using DFT techniques.…”

Section: Introductionmentioning

confidence: 83%

“…Experimental and theoretical FT-IR spectra showed acceptable agreement. There was a small expected discrepancy: DFT-calculation reflected higher functional-group frequencies compared to the experimental one [16]. The nucleophilic and electrophilic positions of one molecule are represented here by an MEP map (Figure 1b).…”

Section: Optimization Mep Mulliken and Npa Analysismentioning

confidence: 92%

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1,3-Bis[(E)-(3-bromobenzylidene)amino]propan-2-ol

Warad

Abedalrazeq

Amer

et al. 2017

Molbank

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1,3-Bis[(E)-(3-bromobenzylidene)amino]propan-2-ol Schiff base was synthesized in an acceptable yield by condensation of 3-bromobenzaldehyde with 1,3-diaminopropan-2-ol in methanol. The structure of the desired Schiff base compound was spectroscopically analyzed by EI-MS, CHN-elemental analysis, FT-IR, UV-visible, and 1 H and 13 C-NMR. The structure was also computed by DFT-optimization, MEP, Mulliken, NPA, IR-B3LYP/6-311++G(d), and SCF-TD-DFT.

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Co (II) and Cd (II) complexes with imidazole‐2‐carboxaldehyde groups: spectroscopic, antibacterial, Hirshfeld surfaces analyses, and TD/DFT calculations

Chai

et al. 2021

Applied Organom Chemis

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Two complexes [Co(L) 2 Á2CH 3 OH] 2 Á(NO 3 ) 4 (1) and [Cd(L) 2 (NO 3 ) 2 ] (2) (L = 2-(2-imidazolyl)-4-methyl-1,2-dihydroquinazoline-3-oxide) were synthesized by natural evaporation of Co (II)/Cd (II) nitrate with a new heterocyclic ligand. The metal complexes are characterized by elemental analysis, spectroscopy, and X-ray crystallographic. In the crystal structures, Co (II) complex 1 was in a six-coordinated coordination environment and constituted an infinite 1-D chain, 2-D network, Meter-shaped 3-D supramolecular framework, while Cd (II) complex 2 assembled into an infinite 1-D, wave-like 2-D, and dragonfly-shaped 3-D skeleton. Specifically, nitrate ions were present as a dissociated group in complex 1, whereas complex 2 was involved in the coordination. Moreover, Cd (II) complex exhibited different fluorescence behaviors in diverse solvents. Remarkably, all the compounds have shown perceptible antibacterial activity against Gram-positive and Gram-negative bacteria. Furthermore, the electrostatic potential (ESP) calculations were utilized to analyze electrophilic and nucleophilic attack sites on the molecule, which verified the existence of hydrogen bonds in the optimized crystal structure. In addition, the structural features of metal complexes have been remarkably rationalized, and the overall trends obtained in the experimental values have been resoundingly remade by TD/DFT calculations. The detailed Hirshfeld surface analysis and fingerprint plots yielded a comparative picture of the mode of non-covalent interactions.

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Structural studies on Cd(II) complexes incorporating di-2-pyridyl ligand and the X-ray crystal structure of the chloroform solvated DPMNPH/CdI2 complex

Cited by 22 publications

References 28 publications

Synthesis, spectral, thermal, crystal structure, Hirschfeld analysis of [bis(triamine)Cadimium(II)][Cadimum(IV)tetra-bromide] complexes and their thermolysis to CdO nanoparticles

Synthesis, spectral, thermal, crystal structure, Hirschfeld analysis of [bis(triamine)Cadimium(II)][Cadimum(IV)tetra-bromide] complexes and their thermolysis to CdO nanoparticles

1,3-Bis[(E)-(3-bromobenzylidene)amino]propan-2-ol

Co (II) and Cd (II) complexes with imidazole‐2‐carboxaldehyde groups: spectroscopic, antibacterial, Hirshfeld surfaces analyses, and TD/DFT calculations

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