Rotation of Ethylene, CH2 group rotated about the C-C axis. Simple C.I. mixing the pi-M.O.s, showing the structure near the top of the barrier.

(Keywords: SYMMETRY html step=0.2 points=100 open(2,2))

Jmol._Canvas2D (Jmol) "jmolApplet0"[x] loadClass core.package loadClass java.lang.String loadClass core.package JSmol exec jmolApplet0 start applet null Jmol JavaScript applet jmolApplet0__6644854440565728__ initializing Jmol getValue debug null Jmol getValue logLevel null Jmol getValue allowjavascript null AppletRegistry.checkIn(jmolApplet0__6644854440565728__) nographics false nographics false headless false vwrOptions: { "name":"jmolApplet0","applet":true,"documentBase":"http://openmopac.net/manual/Individual%20JSmol%20paths/Ethylene%20rotation/Rotation%20of%20Ethylene%20open(2-2).html","platform":"J.awtjs2d.Platform","fullName":"jmolApplet0__6644854440565728__","codePath":"http://openmopac.net/manual/Individual%20JSmol%20paths/Ethylene%20rotation/../jsmol/j2s/","display":"jmolApplet0_canvas2d","signedApplet":"true","appletReadyCallback":"Jmol._readyCallback","statusListener":"[J.appletjs.Jmol object]","syncId":"6644854440565728","bgcolor":"lightblue" } setting document base to "http://openmopac.net/manual/Individual%20JSmol%20paths/Ethylene%20rotation/Rotation%20of%20Ethylene%20open(2-2).html" (C) 2015 Jmol Development Jmol Version: 14.4.0_2015.10.14 2015-10-14 19:01 java.vendor: Java2Script (HTML5) java.version: 2015-09-19 23:29:54 (JSmol/j2s) os.name: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) Access: ALL memory: 0.0/0.0 processors available: 1 useCommandThread: false appletId:jmolApplet0 (signed) loadClass JS.ScriptManager Jmol getValue emulate null defaults = "Jmol" Jmol getValue boxbgcolor null Jmol getValue bgcolor lightblue backgroundColor = "lightblue" Jmol getValue ANIMFRAMECallback null Jmol getValue APPLETREADYCallback Jmol._readyCallback APPLETREADYCallback = "Jmol._readyCallback" callback set for APPLETREADYCallback Jmol._readyCallback APPLETREADY Jmol getValue ATOMMOVEDCallback null Jmol getValue CLICKCallback null Jmol getValue DRAGDROPCallback null Jmol getValue ECHOCallback null Jmol getValue ERRORCallback null Jmol getValue EVALCallback null Jmol getValue HOVERCallback null Jmol getValue IMAGECallback null Jmol getValue LOADSTRUCTCallback null Jmol getValue MEASURECallback null Jmol getValue MESSAGECallback null Jmol getValue MINIMIZATIONCallback null Jmol getValue SERVICECallback null Jmol getValue PICKCallback null Jmol getValue RESIZECallback null Jmol getValue SCRIPTCallback null Jmol getValue SYNCCallback null Jmol getValue STRUCTUREMODIFIEDCallback null Jmol getValue doTranslate null language=en_US Jmol getValue popupMenu null Jmol getValue script null Jmol getValue loadInline null Jmol getValue load null Jmol applet jmolApplet0__6644854440565728__ ready script 1 started antialiasDisplay = true callback set for loadStructCallback plotEnergies LOADSTRUCT loadStructCallback = "plotEnergies" callback set for animFrameCallback doHighlight ANIMFRAME animFrameCallback = "doHighlight"      FileManager.getAtomSetCollectionFromFile(Rotation of Ethylene open(2-2).xyz) FileManager opening url http://openmopac.net/manual/Individual%20JSmol%20paths/Ethylene%20rotation/Rotation of Ethylene open(2-2).xyz The Resolver thinks Xyz Time for openFile(Rotation of Ethylene open(2-2).xyz): 302 ms reading 600 atoms ModelSet: haveSymmetry:false haveUnitcells:false haveFractionalCoord:false 100 models in this collection. Use getProperty "modelInfo" or getProperty "auxiliaryInfo" to inspect them. Default Van der Waals type for model set to Babel 600 atoms created ModelSet: autobonding; use autobond=false to not generate bonds automatically loadClass JV.PropertyManager loadClass JV.OutputManagerJS loadClass javajs.img.JpgEncoder null 100 models      animation first last previous next loop palindrome off    Common   Script	20 40 60 80 100 49.6 49.8 50.0 50.2 50.4 50.6 50.8 51.0 51.2 51.4
Click on a point, or scan along the baseline to move rapidly among the models.