TOPIC: QUANTUM, ATOMIC AND MOLECULAR PHYSICIS (a) Find the rotational constant and moment of inertia, as well as the bond length (equilibrium nuclear distance) of bromine fluoride 7°Br'°F (left superscript indicates atomic weights of isotopes), in the spectrum of which are a series of equidistant lines with a spacing of 0.7143 cm- between them. Which of the lines has the greatest intensity at room temperature? What is the spectral position of the transitior J= 9 →J= 10 in wave numbers ?; (b) How many times per second does the BrF molecule rotate in the state (i) J= 0, (ii) J= 1 y (iii) J= 10?
TOPIC: QUANTUM, ATOMIC AND MOLECULAR PHYSICIS (a) Find the rotational constant and moment of inertia, as well as the bond length (equilibrium nuclear distance) of bromine fluoride 7°Br'°F (left superscript indicates atomic weights of isotopes), in the spectrum of which are a series of equidistant lines with a spacing of 0.7143 cm- between them. Which of the lines has the greatest intensity at room temperature? What is the spectral position of the transitior J= 9 →J= 10 in wave numbers ?; (b) How many times per second does the BrF molecule rotate in the state (i) J= 0, (ii) J= 1 y (iii) J= 10?
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Transcribed Image Text:TOPIC: QUANTUM, ATOMIC AND MOLECULAR PHYSICIS
(a) Find the rotational constant and moment of inertia, as well as the bond length (equilibrium nuclear distance) of bromine
fluoride 1°Br1°F (left superscript indicates atomic weights of isotopes), in the spectrum of which are a series of
-1
equidistant lines with a spacing of 0.7143 cm-
temperature? What is the spectral position of the transitior J= 9 → J= 10 in wave numbers ?;
between them. Which of the lines has the greatest intensity at room
(b) How many times per second does the BrF molecule rotate in the state (i) J= 0, (ii)J=1 y (iii) J= 10?
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