特别是这条“ 所有的共振结构式必须符合Lewis结构式”怎么理解比如说.1,3-丁二烯吧.有一个共振式为(H2C+)==(C-H)-CH==CH2←→(H2C-)==(C+H)-CH==CH2这里来看.最左边的碳一个成3个共价键带一个正电荷.一个成3个键带一个正电荷它们怎么可能都符合Lewis结构.他举了一个反例 说H2C==CH==CH-...
特别是这条“ 所有的共振结构式必须符合Lewis结构式”怎么理解比如说.1,3-丁二烯吧.有一个共振式为(H2C+)==(C-H)-CH==CH2←→(H2C-)==(C+H)-CH==CH2这里来看.最左边的碳一个成3个共价键带一个正电荷.一个成3个键带一个正电荷它们怎么可能都符合Lewis结构.他举了一个反例 说H2C==CH==CH-...
Structure of Dichloromethane-13C Oxidation Numbers of CH₂Cl₂ Lewis Structure of CH₂Cl₂ [13CH2](Cl)Cl Number and Types of Bonds in CH₂Cl₂ Single Bonds 4 Composition of Dichloromethane-13C C 1 H 2 Cl 2翻译 英语 Dichloromethane-13C Identifiers Wikidata Q82316408 DSSTox ...
Benzimidazolin-2-stannylenes with N,N'-alkyl (Me and Et) and Lewis base functional groups. Symmetrically and unsymmetrically N,N'-substituted benzimidazolin-2-stannylenes with sterically nondemanding alkyl (Me and Et) and Lewis base functional groups (-(CH2)nOMe, -(CH2)nNMe2; n=2, 3) ha...
Synthesis and reactivity of [Re(ClCH2Cl)(CO)(3)L][A] and [Re(OSO2CF3)(CO)(3)L] (L=Ph2PO(CH2)(2)OPPh2; A=BF4, [B{3,5-(CF3)(2)C6H3}(4)])): the crystal structure of [Re(OSO2CF3)(CO)(3)L] and [Re(NCCH3)(CO)(3)L][BF4]...