Experimental determination of the dipole moments of the X(2Σ+) and B(2Σ+) states of the CN molecule

1968 ◽  
Vol 46 (24) ◽  
pp. 2815-2819 ◽  
Author(s):  
Ritchie Thomson ◽  
F. W. Dalby

From observation of the electronic emission spectrum in high electric fields, the dipole moments of the X(2Σ+) and B(2Σ+) states of the CN molecule have been determined to be 1.45 ± 0.08 and 1.15 ± 0.08 debye, respectively. The relative signs of the dipole moments in these two states are shown to be opposite.

1969 ◽  
Vol 47 (11) ◽  
pp. 1155-1158 ◽  
Author(s):  
Ritchie Thomson ◽  
F. W. Dalby

The optical emission spectrum of the BH radical produced in a discharge tube designed to give high electric fields shows Stark effects. From these, the dipole moments of the X(1Σ+) and A(1Π) states are determined to be (1.27 ± 0.21) D and (0.58 ± 0.04) D, respectively.


Metrologia ◽  
2019 ◽  
Vol 56 (6) ◽  
pp. 065007
Author(s):  
Malte Wansleben ◽  
Yves Kayser ◽  
Philipp Hönicke ◽  
Ina Holfelder ◽  
André Wählisch ◽  
...  

1998 ◽  
Vol 53 (8) ◽  
pp. 684-688
Author(s):  
J. Heidt ◽  
J. R. Heidt ◽  
M. Raciniewskab

Abstract The excited state dipole moments of some benzamide derivatives are determined. The method of solvent induced shifts of electronic absorption bands in comparison with their positions in the gas phase is used. Some regular trends revealed in the obtained data are discussed. The present results are compared with those available in the literature.


The details of the first experimental determination of the dipole moment of a molecular ion from the rotational Zeeman effect are presented, along with an assessment of the ultimate accuracy of the technique.


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