Rotational Constant in Rotational Spectroscopy Formulas

Rotational Constant is defined for relating in energy and Rotational energy levels in diatomic molecules. And is denoted by B. Rotational Constant is usually measured using the 1 per Meter for Reciprocal Length. Note that the value of Rotational Constant is always negative.

Rotational Spectroscopy formulas that make use of Rotational Constant

fxRotational Energy using Centrifugal DistortionGo

fxRotational Energy using Rotational ConstantGo

fxCentrifugal Distortion Constant using Rotational EnergyGo

fxEnergy of Rotational Transitions between Rotational LevelsGo

fxMoment of Inertia using Rotational ConstantGo

FAQ

What is the Rotational Constant?

Rotational Constant is defined for relating in energy and Rotational energy levels in diatomic molecules. Rotational Constant is usually measured using the 1 per Meter for Reciprocal Length. Note that the value of Rotational Constant is always negative.

Can the Rotational Constant be negative?

Yes, the Rotational Constant, measured in Reciprocal Length can be negative.

What unit is used to measure Rotational Constant?

Rotational Constant is usually measured using the 1 per Meter[m⁻¹] for Reciprocal Length. 1 per Kilometer[m⁻¹], 1 per Mile[m⁻¹], 1 per Yard[m⁻¹] are the few other units in which Rotational Constant can be measured.

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