- #1
nikolafmf
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Hi,
I consider harmonic model of diatomic molecule: two atoms connected with a massless rod. Let one axis be along the rod, other two perpendicular to it. Let rotational velocity have components only trough perpendicular axes. In one book it is said that rotational energy of such diatomic molecule is 1/2*m*r^2*(omega(1)^2+omega(2)^2), where m is reduced mass, r is the length of the rod, omega(1) and omega(2) are the components of the rotational velocity.
Where this reduced mass come from? How can I derive this equation? I would appreciate any help.
Nikola
I consider harmonic model of diatomic molecule: two atoms connected with a massless rod. Let one axis be along the rod, other two perpendicular to it. Let rotational velocity have components only trough perpendicular axes. In one book it is said that rotational energy of such diatomic molecule is 1/2*m*r^2*(omega(1)^2+omega(2)^2), where m is reduced mass, r is the length of the rod, omega(1) and omega(2) are the components of the rotational velocity.
Where this reduced mass come from? How can I derive this equation? I would appreciate any help.
Nikola