{"id":1566,"date":"2013-06-05T12:12:00","date_gmt":"2013-06-05T12:12:00","guid":{"rendered":"https:\/\/chempublishers.sourcingoutfit.com\/?p=1566"},"modified":"2025-01-31T18:45:59","modified_gmt":"2025-01-31T18:45:59","slug":"pjc-1213","status":"publish","type":"post","link":"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2013\/06\/05\/pjc-1213\/","title":{"rendered":"Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1566\" class=\"elementor elementor-1566\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0fadbba e-flex e-con-boxed e-con e-parent\" data-id=\"0fadbba\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d2a59e2 e-con-full e-flex e-con e-child\" data-id=\"d2a59e2\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b88334d elementor-widget elementor-widget-text-editor\" data-id=\"b88334d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td><div><strong>Research Article | Open Access<\/strong><\/div><div class=\"item doi\"><span class=\"value\">Volume 3 | Issue 2 | Paper 04 |\u00a0 <a href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/wp-content\/uploads\/sites\/2\/2025\/01\/PJC-v03.i02.p04.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.15228\/2013.v03.i02.p04<\/a><\/span><\/div><\/td><\/tr><\/tbody><\/table><article class=\"obj_article_details\"><h1 class=\"page_title\">Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes<\/h1><div class=\"row\"><h4 class=\"main_entry\"><span class=\"name\">A.A. Adeniyi<\/span><\/h4><p>Department of Chemistry, Lagos State University, PMB 0001, LASU Post Office, Ojo, Lagos, Nigeria<\/p><h4 class=\"main_entry\"><span class=\"name\">O. Okedeyi<\/span><\/h4><p>Department of Chemistry, Lagos State University, PMB 0001, LASU Post Office, Ojo, Lagos, Nigeria<\/p><h4 class=\"main_entry\"><span class=\"name\">J. Aremu<\/span><\/h4><p>Department of Chemistry, Lagos State University, PMB 0001, LASU Post Office, Ojo, Lagos, Nigeria<\/p><h4 class=\"main_entry\"><span class=\"name\">O. Oyedeji<\/span><\/h4><p>Department of Chemistry, Lagos State University, PMB 0001, LASU Post Office, Ojo, Lagos, Nigeria<\/p><h4 class=\"main_entry\"><span class=\"name\">M. Sowemimo<\/span><\/h4><p>Department of Chemistry, Lagos State University, PMB 0001, LASU Post Office, Ojo, Lagos, Nigeria<\/p><table border=\"0\" width=\"93%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td align=\"center\" valign=\"top\"><strong>Received<\/strong><br \/>15 Apr, 2013<\/td><td align=\"center\" valign=\"top\"><strong>Accepted<\/strong><br \/>16 Oct, 2013<\/td><td align=\"center\" valign=\"top\"><strong>Published<\/strong><br \/>18 Nov, 2013<\/td><\/tr><\/tbody><\/table><div class=\"item abstract\"><p align=\"justify\">ABSTRACT:<\/p><p class=\"ql-align-justify\">Hydrazones have attracted considerable interest on account of their biological activities. Introduction of calcium and barium metal ions into m- and p-nitrobenzoic hydrazones is expected to modify these biological properties for enhanced activity and versatility. The ligands were synthesized from the parent acids. The complexes have been characterized using C, H and N microanalyses and IR spectrometry. The IR spectral data of the ligands and complexes revealed bonding via the C=O and C=N groups. The suggested metal to ligand stoichiometries are: [M (m-NBH)x]Cl<sub>2<\/sub>.yH<sub>2<\/sub>O, x, y = 1 and 4 for M = Ca; x, y = 2 and 3 for M = Ba respectively. [M(p-NBH)x]Cl<sub>2<\/sub>.yH<sub>2<\/sub>O, x, y = 1 and 12 for M = Ca; x, y = 1 and 3 for M = Ba respectively. The structural deductions are tentative pending future X-ray structural studies.<\/p><\/div><div class=\"item abstract\"><div><h3 class=\"label\">How to Cite this paper?<\/h3><div class=\"csl-entry\"><p><strong>APA-7 Style<\/strong><br \/>Adeniyi, A.A., Okedeyi, O., Aremu, J., Oyedeji, O., Sowemimo, M. (2013). Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2013.v03.i02.p04\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>, 3(2), 64-70<\/a>. https:\/\/doi.org\/10.15228\/2013.v03.i02.p04<\/p><p><strong>ACS Style<\/strong><br \/>Adeniyi, A.A.; Okedeyi, O.; Aremu, J.; Oyedeji, O.; Sowemimo, M. Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2013.v03.i02.p04\" target=\"_blank\" rel=\"noopener\"><em>Pak. J. Chem.<\/em>\u00a02013, 3, 64-70<\/a>. https:\/\/doi.org\/10.15228\/2013.v03.i02.p04<\/p><p><strong>AMA Style<\/strong><br \/>Adeniyi AA, Okedeyi O, Aremu J, Oyedeji O, Sowemimo M. Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2013.v03.i02.p04\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>. 2013; 3(2): 64-70<\/a>. https:\/\/doi.org\/10.15228\/2013.v03.i02.p04<\/p><p><strong>Chicago\/Turabian Style<\/strong><br \/>Adeniyi, A., A., O. Okedeyi, J. Aremu, O. Oyedeji, and M. Sowemimo. 2013. &#8220;Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes&#8221;\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2013.v03.i02.p04\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>\u00a03, no. 2: 64-70<\/a>. https:\/\/doi.org\/10.15228\/2013.v03.i02.p04<\/p><\/div><\/div><\/div><div class=\"item copyright\"><p><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\"><img decoding=\"async\" src=\"https:\/\/i.creativecommons.org\/l\/by\/4.0\/88x31.png\" alt=\"Creative Commons License\" \/><\/a><\/p><p>This work is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\">Creative Commons Attribution 4.0 International License<\/a>.<\/p><\/div><\/div><\/article>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-759d7f5 e-con-full e-flex e-con e-child\" data-id=\"759d7f5\" data-element_type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Research Article | Open AccessVolume 3 | Issue 2 | Paper 04 |\u00a0 https:\/\/doi.org\/10.15228\/2013.v03.i02.p04 Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes A.A. Adeniyi Department of Chemistry, Lagos State University, PMB 0001, LASU Post Office, Ojo, Lagos, Nigeria O. Okedeyi Department of Chemistry, Lagos State University, PMB 0001, LASU Post Office, Ojo, Lagos, Nigeria [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1566","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes - Pakistan Journal of Chemistry<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2013\/06\/05\/pjc-1213\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes - Pakistan Journal of Chemistry\" \/>\n<meta property=\"og:description\" content=\"Research Article | Open AccessVolume 3 | Issue 2 | Paper 04 |\u00a0 https:\/\/doi.org\/10.15228\/2013.v03.i02.p04 Infrared Spectroscopic Characterization of Calcium and Barium Hydrazone Complexes A.A. Adeniyi Department of Chemistry, Lagos State University, PMB 0001, LASU Post Office, Ojo, Lagos, Nigeria O. 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