Diatomic and triatomic molecules

The procedure for studying tetratomic molecules is identical to that followed in the study of diatomic and triatomic molecules. One begins with a local-mode Hamiltonian... 

Summary. An effective scheme for the laser control of wavepacket dynamics applicable to systems with many degrees of freedom is discussed. It is demonstrated that specially designed quadratically chirped pulses can be used to achieve fast and near-complete excitation of the wavepacket without significantly distorting its shape. The parameters of the laser pulse can be estimated analytically from the Zhu-Nakamura (ZN) theory of nonadiabatic transitions. The scheme is applicable to various processes, such as simple electronic excitations, pump-dumps, and selective bond-breaking, and, taking diatomic and triatomic molecules as examples, it is actually shown to work well. 

Ethyl bromide is complex enough so that when the investigation was started there seemed to be no immediate chance of quantitative, mathematical interpretation. Rapid strides had been made in complete interpretation of the infrared spectrum of simple diatomic and triatomic molecules, but unfortunately it is usually the more complicated molecules that are important in chemistry. On account of their importance a qualitative interpre-... 

Surface reactions of small diatomic and triatomic molecules... 

Using the definition of the best loges as the ones which minimize l(P , 12), Daudel et al. (1974) applied this theory to a number of diatomic and triatomic molecules containing up to six electrons, namely, LiH, BeH", BH, and BeH2. 

In Chapter 8 the electron affinities of atoms were evaluated. In this chapter the electron affinities of diatomic and triatomic molecules and SF (n= 1 to 6) will be considered. The ECD has been used to study CI2, Br2, I2, NO, 02, C02, COS, CS2, N20, N02, SO2, SF6. All the Ea for these molecules have been calculated by the CURES-EC method. The comparison of the relative electron affinities of COS, CS2, and N20 will be illustrated by READS-TCT calculations. 

Kong s periodic systems of diatomic and triatomic molecules (Kong 1982, 1989) are truly beautiM. They are the silver lining of the dark cloud of his long-term house arrest related to the Cultural Revolution in the People s Republic of China. His systems place molecules in the compartments of a flat chart with approximately the same shape as the chart of the elements. The period and group numbers are the sums of the atoms period and group numbers. 

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