“ರಸ ಯೋಗಿ” ಎಮ್.ಆರ್.ಎನ್
Message of Molecular
Spectroscopy
Harmony and
complementarity is beauty – said Socrates. Molecular spectroscopy indicates
that harmony and complementarity is
safety also. The molecule is safe as long as it maintains symmetry during
rotation and vibration. When once asymmetry sets in, it tends to break the
relation. Thus study of molecular spectroscopy and its moral is vital in these
days where friends becomes traits and couple divorce frequently.
Consider rotation of molecules. In fact, rotation itself is a tendency of the
atoms to move away from each other. This repulsive force is due to the
centrifugal reaction generated during rotation. At lower energy levels, the
rotation is slow and symmetrical but becomes asymmetric and distortion of the
molecule at the higher energy level leading to instability. Why all these?
The basic criterion for rotation is the polarity
of the molecule. This is nothing but uneven distribution of the wealth of the
molecule- i.e. electrons. When electrons
are evenly distributed along the bond, the molecule is non planar and hence
there will be no rotational spectrum. Uneven distribution of electron implies
partiality among the partners. Embedded partiality and hence dissatisfaction
(polarity) will create a favourable condition for separating atoms.
The circular motion is possible only when we
create a couple- Two forces acting in opposite direction, separated by a
distance in space. This is possible only when two ends along the bond are
having opposite charges (i.e. uneven
distribution). Difference of opinion, if there, only leads to distortion by
rotation.
If the molecule is polar and energy is supplied
externally the molecule rotates with higher and higher speed. Thus the
difference of opinion of the friends/couple must be triggered by the supply of
energy of absorptive wavelength.
Let us turn to vibration. In this case, there is
no such condition that the molecule must have inherent polarity. For example
O=C=O molecule which is symmetric and without any considerable dipole moment is
active and produces vibration spectra. Is it not curious to know why?
The answer is obvious.
Vibration does demand a couple. It needs only absorption of energy.
Vibration itself can cause asymmetry. There are
symmetric and asymmetric vibrations. Surprisingly, even the symmetric
vibrations which constitute a parabolic curve indicating the equal movement,
becomes asymmetric at higher energy level.
Thus the vibration at
higher levels causes asymmetry in the molecule. The asymmetry also leads to
uneven distribution of charge and the bond breaks.
Friendship remains as long as dependence dominates
even independence. With energy inputs independence takes the forefront leading
to the break of bond.
The companionship among the poor is more compared
to the companionship of the rich. Since they depend on the other party for
their survival.
People are growing rich and the feeling of
independence is decreasing because of the money they own. That is why the individuals’
attachment to the nation, community is getting weakened. Even the family ties
are under stake. Beware; you are heading towards an atomized society –
because of uneven distribution of wealth and the illusion of independence
created by the wealth possessed by the partners. This is the moral / model
of personal relations as depicted by the spectroscopy.
-Prof. M. R. Nagaraju, Bangaluru.
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