Basic principle of clumped isotopes and geological applications
Li Pingping1, Ma Qianqian1, Zou Huayao1, Yu Xinya2
氢分子的键能与键距的函数关系示意图(据 Bigeleisen and Mayer,1947 ; Urey,1947 ;转引自 Eiler,2007 ) 水平线代表了化学键振动的量子态所对应的能级, n =0,1,2,…。当 n =0,代表达到了最低的量子态(零点能,或者是ZPE (zero point energy))