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10 articles for “IR Spectra”
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Synthesis, Characterization, and Reactivity of Bivalent Tin(II) with 4-Tert-butylphenol
Abstract: Bivalent tin(II)-4-tert. butylphenoxide of composition Sn(OC6H4X-4)2(I), where X = But, has been synthesized by the reaction of stannous chloride (SnCl2) with bimolar amounts of 4-tert. butyl phenol (HOC6H4But-4) in the presence of the base, diethyl amine, in tetrahydrofuran (THF) solvent. The resulting complex was characterized by elemental analysis, molecular weight determination, molar conductance measurement, IR, and 1H NMR spectral studies. The reactivity of the newly synthesized complex (I) with HgCl2 …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 2, Issue 1, 2024 · pp. 14–19 Read article
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Synthesis and Spectral Characterization of Complexes Tin(II) With 4-Nitrophenol
Abstract: Tin(II)4-nitrophenoxide complexes with the formulas SnCl(OC₆H₄NO₂-4) and Sn(OC₆H₄NO₂-4)₂ were prepared through the reaction of stannous chloride (SnCl₂) with 4-nitrophenol (HOC₆H₄NO₂-4) in 1:1 and 1:2 molar ratios, respectively. The reaction was performed in tetrahydrofuran (THF) with diethylamine serving as the base. The resulting compounds were characterized through elemental analysis, determination of molecular weight, molar conductance measurements, and spectroscopic methods including IR and ¹H NMR spectroscopy. Current investigations are directed toward assessing …
Published in International Journal of Advance in Molecular Engineering · Vol. 4, Issue 1, 2026 · pp. 22–26 Read article
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A Sol-Gel Approach for the Fabrication of Zinc Oxide Nanoparticles and Their Nanocomposite with Urea Formaldehyde (UF)
Abstract: In the performed work, zinc oxide nanoparticles were synthesized via the sol-gel method using zinc sulphate as the precursor material. Urea-formaldehyde (UF) resin was employed as a polymer matrix to encapsulate the produced ZnO through an acid-catalyzed polymerization process. This encapsulation aimed to improve the dispersion stability and surface reactivity of ZnO within the polymeric medium. The synthesized materials were subjected to comprehensive characterization using Fourier Transform Infrared Spectroscopy (FT-IR), …
Published in International Journal of Crystalline Materials · Vol. 2, Issue 2, 2025 · pp. 21–27 Read article
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Reactivity of Monochlorotetrakis2-Isopropylphenoxoniobium(V), [NbCl(OC6H4CH(CH3)2-2)4] towards Chelating Ligands
Abstract: The niobium(V) complexes with the formula [NbCl(OC₆H₄CH(CH₃)₂-2)₄] were successfully synthesized in high yields through the reaction of niobium pentachloride with four equivalent amounts of 2-isopropylphenol in carbon tetrachloride. The synthesized complexes were characterized and confirmed by elemental analysis, molar conductance measurements, infrared (IR) spectroscopy, ^1H and ^13C NMR spectroscopy, as well as mass spectrometric analysis. The spectroscopic studies have shown these to exhibit dimeric structures bridging through isopropylphenoxo groups. The …
Published in International Journal of Minerals · Vol. 3, Issue 1, 2026 · pp. 37–45 Read article
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Characterization of Synthesized Heterocyclic Oxadiazole Derivatives Using Mass, UV, IR, and NMR Spectroscopy, Among other Spectroscopic Techniques: Review
Abstract: The current study synthesized and assessed 3-heteroarylazo 4-hydroxy coumarin derivatives' initial antibacterial activities in vitro against four distinct pathogenic bacterial strains, including Pseudomonas aeruginosa, Bacillus subtilis, Escherichia coli, and Staphylococcus aureus. Ampicillin, a common medication, was used to compare each compound's antibacterial properties. UV, IR, 1H NMR, mass spectroscopy, and X-ray diffraction examinations were used to analyze the compounds. By using UV–vis spectra, the solute-chromic behavior of these compounds was …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 1, 2023 · pp. 28–33 Read article
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Cobalt-Iron Sulfide and Cobalt Sulfide of Cobalt –III Dithiocarbamate Complexes Synthesis and Efficacy for Photocatalytic Dilapidation of Tints
Abstract: Dithio Carbamate compounds comprising pyrrole moiety which is a hetero cyclic fragrant Carbon- based composite for identifying of anions of Cobalt-III, Methyl Ferro Cenyl Sulfoxide and Nickel-II complexes were used as only basis originators on behalf of working out of Sulfide & Iron Sulfide of Cobalt atoms. Infrared spectral notes on nanoparticles endorse the occurrence of coating agent – Tri- ethylenetetramine. The exploration of nano particles by photo reagents to …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 2, Issue 1, 2024 · pp. 01–06 Read article
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Using Machine Learning to Guess Photochemical Reaction Pathways
Abstract: Photochemical reactions are crucial to many activities in the fields of energy conversion, environmental cleanup, and synthetic chemistry. However, predicting their causes and results effectively is still very hard since they entail excited electronic states, nonadiabatic transitions, and complicated potential energy surfaces. Machine learning (ML) has been a powerful technique to go along with classic quantum chemistry methods in the last few years. It offers better prediction capability and lower …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 2, 2025 · pp. 01–12 Read article
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Photonic Diagnostics: Harnessing Optical Sensing for Non-Invasive Assessment of Coronary Obstruction
Abstract: Cardiovascular diseases (CVDs) remain the leading cause of mortality globally, with coronary artery blockages primarily atherosclerosis representing a critical challenge. The gold standard for diagnosing coronary artery disease remains invasive coronary angiography, a procedure that, while precise, carries inherent patient risks, high costs, and logistical burdens. Optical sensors, leveraging the principles of light-tissue interaction, offer real-time, high-resolution insights into vascular health, paving the way for early detection of arterial stenoses …
Published in International Journal of Optical Innovations & Research · Vol. 4, Issue 1, 2026 · pp. 25–30 Read article
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An Overview on Energy Harvesting Using Piezoelectric Material for Wi-Fi Systems
Abstract: The rapid proliferation of wireless-networked devices has intensified the demand for sustainable, maintenance-free power sources that can keep small-scale Wi-Fi modules operational in hard-to-reach or infrastructure-limited environments. This study investigates the feasibility of harvesting ambient mechanical energy using piezoelectric transduction technology and directly feeding the harvested power to a low-power Wi-Fi communication subsystem. A compact energy-harvesting module was engineered from lead-zirconate-titanate (PZT) cantilevers with resonant frequencies tuned to the dominant …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 4, Issue 1, 2026 · pp. 56–63 Read article
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Compatative Catalytic Study of Oxidation of Thiourea by Chromium (VI) in Presence of Different Catalysts and Micelles
Abstract: The series of catalysts like acetate, oxalate, EDTA, the varies micelles viz, CTAB, SDS, TRITON X-100 was carried out in the kinetic study of oxidation of Thiourea by Cr(VI) as an oxidant in water medium. The effect of catalytic efficiency has been study for varies catalyst and micelles by volumetric method and UV spectroscopic methods. The product was confirmed by IR studies. UV study reveals shows that higher catalytic efficiency …
Published in International Journal of Advance in Molecular Engineering · Vol. 4, Issue 1, 2026 · pp. 9–21 Read article