Revised crystal and molecular structure, FT-IR spectra and DFT studies of chlorotetrakis(imidazole)copper(II) chloride

Morzyk-Ociepa, Barbara; Różycka‐Sokołowska, Ewa; Michalska, Danuta

doi:10.1016/j.molstruc.2012.06.028

Cited by 47 publications

(28 citation statements)

References 26 publications

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“…In Fig. 28,29 The image of imCl-PVC was similar to that of the PVC in Fig. And two bands at 1426 cm À1 and 2914 cm À1 were attributed to the CH 2 bending vibration and stretching vibration, respectively.…”

Section: Resultsmentioning

confidence: 70%

Selective enrichment of low concentration Au(iii) from acidic chloride media by poly ionic liquid sorbent

2016

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Hydrophilic ionic liquid (imidazolium chloride, imCl)-polyvinyl chloride ionomer (imCl-PVC) as a green sorbent to recover precious gold from acidic chloride solution was characterized by SEM, FTIR, XPS and NMR. Potential rate controlling steps of the adsorption process are modeled by the best-fit of the kinetic curve (pseudo-second-order), and isotherm (Langmuir) parameters. The wide range of pH (1-6), competing heavy metals (Cu, Cd, Co, Cr, Ni, and Mn) and the high Cl À concentration showed least interference. The results of XPS analysis showed that the Au(III) ion sorption was an electrostatic attraction-reduction process. Moreover, a stripping agent (thiourea) desorbed 88% of ionic gold. The spent adsorbent could be regenerated well and retained above 64% of the recovery efficiency at the end of the fifth cycle. The performance characteristics of imCl-PVC to enrich gold can be applied in the treatment of gold-contaminated water. À . 23,24 This kind of complex anion with high stability in solution is difficult to extract or precipitate separation. However, hydrophilic

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Section: Resultsmentioning

confidence: 70%

Selective enrichment of low concentration Au(iii) from acidic chloride media by poly ionic liquid sorbent

2016

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“…1 and FTIR absorption peaks are listed in Table 1. The region of 3,000 cm -1 and 1,400-1,200 cm -1 showed the peaks of (C-H) and (C-N), respectively [41]. The bands at 3,136.25 cm , and 1,390.68 cm -1 represents the (C-N) peaks for complexes 1-5, respectively.…”

Section: Resultsmentioning

confidence: 94%

Cytotoxicity and Antimicrobial Activity of Pivalic and Benzoic Acid-Complexed Cu and Mn Complexes

Ali¹,

Tahir²,

Akhtar³

et al. 2017

Pol. J. Environ. Stud.

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“…Furthermore, the peak attributed to –C‐O‐C‐ at 1109 cm −1 shifts to a lower frequency compared with the pure PEBA except 0.5 wt%, which indicates that Fe 2 O 3 might have affected the –C‐O‐C‐ stretching vibration through hydrogen bonding interaction. The peaks attributed to N‐H shifted to higher wave numbers (pure PEBA (3296.12) < 0.5 wt% (3297.11) < 1 wt% (3298.25) < 1.5 wt% (3298.94) < 2 wt% (3299.06)) . Moreover, Fe 2 O 3 functional groups were deliberate by FTIR analyze.…”

Section: Resultsmentioning

confidence: 98%

Magnetic nanoFe₂O₃ – incorporated PEBA membranes for CO₂/CH₄ and CO₂/N₂ separation: experimental study and grand canonical Monte Carlo and molecular dynamics simulations

2019

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Mixed matrix membranes (MMMs) comprised of organic selective polymers and inorganic nano‐particles under the name of fillers have attracted much attention in the field of gas separation. In this study, poly (amide‐6‐b‐ethylene oxide) [PEBA]/Fe2O3 mixed matrix membranes were prepared using the dry phase separation technique with ethanol / water (70/30 wt%) as solvent. Various amount of Fe2O3 nanoparticles were chosen to disperse within the polymer matrix (0, 0.5, 1, 1.5 and 2 wt% of polymer). To prepare this type of novel membrane, a magnetic field of 0.3 T was used to align the position of NPs. The structural properties and surface morphology of prepared membranes were characterized by field emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM). Field emission scanning electron microscopy analysis was also used to study the physical bonding. Phase identification and crystallinity, effective area, and distribution of pore size were investigated by X‐ray diffraction (XRD) and Brunauer–Emmett–Teller (BET) analysis. Carbon dioxide permeability through these membranes increased with pressure in the range of 2 to 14 bar. Magnetic membrane loaded with 1.5 wt% of Fe2O3 gave the best performance: CO2 permeability, CO2/CH4, and CO2/N2 selectivity were enhanced by 30, 42 and 81%, compared to a pure membrane, respectively. The results indicated that the magnetic MMMs gave better separation performance than pure membranes. Molecular simulation has also been used to investigate the structural and transport properties of fabricated membranes. Structural characterizations like radial distribution function (RDF), fractional free volume (FFV), and X‐ray diffraction were applied to the simulated membrane cells. Grand canonical Monte Carlo (GCMC) and molecular dynamic (MD) simulations, were used to calculate the selectivity and diffusivity of membranes. Results from experimental tests and simulation runs revealed that the selectivity and permeability of fabricated and simulated membranes are consistent. © 2019 Society of Chemical Industry and John Wiley & Sons, Ltd.

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Revised crystal and molecular structure, FT-IR spectra and DFT studies of chlorotetrakis(imidazole)copper(II) chloride

Cited by 47 publications

References 26 publications

Selective enrichment of low concentration Au(iii) from acidic chloride media by poly ionic liquid sorbent

Selective enrichment of low concentration Au(iii) from acidic chloride media by poly ionic liquid sorbent

Cytotoxicity and Antimicrobial Activity of Pivalic and Benzoic Acid-Complexed Cu and Mn Complexes

Magnetic nanoFe₂O₃ – incorporated PEBA membranes for CO₂/CH₄ and CO₂/N₂ separation: experimental study and grand canonical Monte Carlo and molecular dynamics simulations

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Revised crystal and molecular structure, FT-IR spectra and DFT studies of chlorotetrakis(imidazole)copper(II) chloride

Cited by 47 publications

References 26 publications

Selective enrichment of low concentration Au(iii) from acidic chloride media by poly ionic liquid sorbent

Selective enrichment of low concentration Au(iii) from acidic chloride media by poly ionic liquid sorbent

Cytotoxicity and Antimicrobial Activity of Pivalic and Benzoic Acid-Complexed Cu and Mn Complexes

Magnetic nanoFe2O3 – incorporated PEBA membranes for CO2/CH4 and CO2/N2 separation: experimental study and grand canonical Monte Carlo and molecular dynamics simulations

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Magnetic nanoFe₂O₃ – incorporated PEBA membranes for CO₂/CH₄ and CO₂/N₂ separation: experimental study and grand canonical Monte Carlo and molecular dynamics simulations