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Methods and Results of Determination of Dependences of Electronic Transition Moments on Internuclear Distance in Diatomic Molecules

Abstract The methods for determining the dependences of electronic transition moments on internuclear distance in diatomic molecules are considered. The main attention is paid to analysis and classification of semi-empirical methods of finding such dependences. It is shown that the last questions concerning the expedience of using a r-centroid approximation of Rmn e (τ) dependences are now eliminated. The modern state of studies on finding Rmn e (τ) dependences for specific diatomic molecules is illustrated by a table that contains comprehensive Rmn e (τ) data obtained after 1978. The table contains Rmn e (τ) information for 130 molecular systems which play important part in many fields of modern physics and chemistry.