Citation:
	            
		            Wang  Yi-Gui, Sun  Chang-Jun, Cai  Zheng-Ting, Deng  Cong-Hao. Ab initio Study on Alkali Metal Enolates CH2=CH(OM)[J]. Acta Physico-Chimica Sinica,
							;1999, 15(02): 116-120.
						
							doi:
								10.3866/PKU.WHXB19990205
						
					
				
					
				
	        
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Alkali metal enolates CH2=CH(OM) (M=Li,Na,K,Rb,Cs) has been studied at available RHF/3-21G, RHF/3-21G, RHF/6-31+G. MP2/6-31+G. RHF/lan12dz and MP2/lan12dz and MP2/lan12dz levels of theory. The results indicate that all of them have planar structure 1 and nonplanar structure 2.The geometrical parameters, the results of NPA and the reaction heats all reveal that the attachment of alkali metals remarkbly restrict the resonance of enol anion.
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								Keywords:
								
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Structure optimization
, - Resonance,
 - Alkali metals,
 - Enolates,
 - Ab initio
 
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