{"id":1361,"date":"2018-08-01T19:17:00","date_gmt":"2018-08-01T19:17:00","guid":{"rendered":"https:\/\/8039c1d0385554959.temporary.link\/wordpress\/?p=1361"},"modified":"2025-02-08T05:55:54","modified_gmt":"2025-02-08T05:55:54","slug":"study-the-effect-of-substituents-x-on-methylenecyclopentane-and-1-methylcyclopentene-system","status":"publish","type":"post","link":"https:\/\/jjeci.net\/index.php\/2018\/08\/01\/study-the-effect-of-substituents-x-on-methylenecyclopentane-and-1-methylcyclopentene-system\/","title":{"rendered":"Study the effect of Substituents X on Methylenecyclopentane and 1- Methylcyclopentene System"},"content":{"rendered":"\n<p>Authors: Ghassab Al-Mazaideh, Ashraf Al-Msiedeen, Fadi Alakhras, Hammad Aldal&#8217;in,Haya Salman,Zeinab Al-Itiwi, Khaled Al Khalyfeh,Salim Khalil<\/p>\n\n\n\n<p>DOI:&nbsp;<a href=\"https:\/\/doi.org\/10.48103\/jjeci142018\">https:\/\/doi.org\/10.48103\/jjeci142018<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/jjeci.net\/category\/issues\/2018\/volume1issue1\/\">JORDANIAN JOURNAL OF ENGINEERING AND CHEMICAL INDUSTRIES (JJECI)<\/a><\/p>\n\n\n\n<p>Pages: 38-68<\/p>\n\n\n<p>In this study, the geometry optimizations, orbital energies (HOMO-LUMO) and relative stabilities of methylene cyclopentane and 1-methylcyclopentene were investigated by DFT<br \/>calculations. 1-methylcyclopentene was found to be more stable than methylene cyclopentane isomer with enthalpy value H=18.518 kJ\/mol. Also, the effect of substituents X (F, OH,<br \/>CH3, NH2, CN, NO2, CHO and CF3) also studied on the relative stabilities of these two tautomers. The results showed that the stability of both isomers is increased by all substitutes.<br \/>Gibbs free energy calculations have been used to find the effect of substituents X on the system.<br \/>Keywords: methylene cyclopentane, 1-methylcyclopentene, substituent, tautomer, DFT<\/p>\n\n<iframe loading=\"lazy\" class=\"embed-pdf-viewer\" src=\"https:\/\/doi.org\/10.48103\/jjeci142018\" height=\"860\" width=\"860\" title=\"\"><\/iframe>","protected":false},"excerpt":{"rendered":"<p>Authors: Ghassab Al-Mazaideh, Ashraf Al-Msiedeen, Fadi Alakhras, Hammad Aldal&#8217;in,Haya Salman,Zeinab Al-Itiwi, Khaled Al Khalyfeh,Salim Khalil DOI:&nbsp;https:\/\/doi.org\/10.48103\/jjeci142018 JORDANIAN JOURNAL OF ENGINEERING AND CHEMICAL INDUSTRIES (JJECI) Pages: 38-68 In this study, the geometry optimizations, orbital energies (HOMO-LUMO) and relative stabilities of methylene cyclopentane and 1-methylcyclopentene were investigated by DFTcalculations. 1-methylcyclopentene was found to be more stable than &#8230;<\/p>\n","protected":false},"author":1,"featured_media":1363,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[],"class_list":{"0":"post-1361","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-volume-1-issue-1"},"_links":{"self":[{"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/posts\/1361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/comments?post=1361"}],"version-history":[{"count":14,"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/posts\/1361\/revisions"}],"predecessor-version":[{"id":1459,"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/posts\/1361\/revisions\/1459"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/media\/1363"}],"wp:attachment":[{"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/media?parent=1361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/categories?post=1361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jjeci.net\/index.php\/wp-json\/wp\/v2\/tags?post=1361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}