Herschbach’s electronegativity ordering rule is a very useful empirical one. According to the rule, a reaction between a radical (or an atom) and a molecule XY will always favor attack on the less electronegative ato...Herschbach’s electronegativity ordering rule is a very useful empirical one. According to the rule, a reaction between a radical (or an atom) and a molecule XY will always favor attack on the less electronegative atom of XY. Many new experimental techniques such as the cross molecular beam have lent many new evidences in展开更多
As it is not able to directly observe the dynamical process of the thermal cis-trans isomerization with C=C double bonds of organic compounds, several different mechanisms are being argued out. One of them is the bira...As it is not able to directly observe the dynamical process of the thermal cis-trans isomerization with C=C double bonds of organic compounds, several different mechanisms are being argued out. One of them is the biradical torsion, viz.展开更多
文摘Herschbach’s electronegativity ordering rule is a very useful empirical one. According to the rule, a reaction between a radical (or an atom) and a molecule XY will always favor attack on the less electronegative atom of XY. Many new experimental techniques such as the cross molecular beam have lent many new evidences in
文摘As it is not able to directly observe the dynamical process of the thermal cis-trans isomerization with C=C double bonds of organic compounds, several different mechanisms are being argued out. One of them is the biradical torsion, viz.
