Rotational Constant using Energy of Transitions Formula

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Rotational Constant given ET is defined for relating in energy and Rotational energy levels in diatomic molecules. Check FAQs
BET=Enu2(J+1)
BET - Rotational Constant given ET?Enu - Energy of Rotational Transitions?J - Rotational Level?

Rotational Constant using Energy of Transitions Example

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With units
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Here is how the Rotational Constant using Energy of Transitions equation looks like with Values.

Here is how the Rotational Constant using Energy of Transitions equation looks like with Units.

Here is how the Rotational Constant using Energy of Transitions equation looks like.

30Edit=300Edit2(4Edit+1)
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Rotational Constant using Energy of Transitions Solution

Follow our step by step solution on how to calculate Rotational Constant using Energy of Transitions?

FIRST Step Consider the formula
BET=Enu2(J+1)
Next Step Substitute values of Variables
BET=300J2(4+1)
Next Step Prepare to Evaluate
BET=3002(4+1)
LAST Step Evaluate
BET=30m⁻¹

Rotational Constant using Energy of Transitions Formula Elements

Variables
Rotational Constant given ET
Rotational Constant given ET is defined for relating in energy and Rotational energy levels in diatomic molecules.
Symbol: BET
Measurement: Reciprocal LengthUnit: m⁻¹
Note: Value can be positive or negative.
Energy of Rotational Transitions
The Energy of Rotational Transitions from J to J +1 formula is defined as energy of radiation absorbed to undergo an energy transition when a molecule is irradiated with photons of light.
Symbol: Enu
Measurement: EnergyUnit: J
Note: Value can be positive or negative.
Rotational Level
Rotational Level is numerical value of the level of rotational energy in Rotational Spectroscopy of Diatomic Molecules ( it takes numerical values as 0,1,2,3,4...).
Symbol: J
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.

Other formulas in Rotational Energy category

​Go Beta using Rotational Level
βlevels=J(J+1)
​Go Beta using Rotational Energy
βenergy=2IErot[h-]2
​Go Centrifugal Distortion Constant using Rotational Energy
DCj=Erot-(BJ(J+1))J2((J+1)2)
​Go Energy of Rotational Transitions between Rotational Levels
ERL=2B(J+1)

How to Evaluate Rotational Constant using Energy of Transitions?

Rotational Constant using Energy of Transitions evaluator uses Rotational Constant given ET = Energy of Rotational Transitions/(2*(Rotational Level+1)) to evaluate the Rotational Constant given ET, The Rotational constant using energy of transitions formula is defined as constant which can be used to relate energy levels to energy of rotational transitions. For a diatomic molecule the energy difference between rotational levels (J to J+1) is Energy of rotational transitions. Rotational Constant given ET is denoted by BET symbol.

How to evaluate Rotational Constant using Energy of Transitions using this online evaluator? To use this online evaluator for Rotational Constant using Energy of Transitions, enter Energy of Rotational Transitions (Enu) & Rotational Level (J) and hit the calculate button.

FAQs on Rotational Constant using Energy of Transitions

What is the formula to find Rotational Constant using Energy of Transitions?
The formula of Rotational Constant using Energy of Transitions is expressed as Rotational Constant given ET = Energy of Rotational Transitions/(2*(Rotational Level+1)). Here is an example- 30 = 300/(2*(4+1)).
How to calculate Rotational Constant using Energy of Transitions?
With Energy of Rotational Transitions (Enu) & Rotational Level (J) we can find Rotational Constant using Energy of Transitions using the formula - Rotational Constant given ET = Energy of Rotational Transitions/(2*(Rotational Level+1)).
Can the Rotational Constant using Energy of Transitions be negative?
Yes, the Rotational Constant using Energy of Transitions, measured in Reciprocal Length can be negative.
Which unit is used to measure Rotational Constant using Energy of Transitions?
Rotational Constant using Energy of Transitions 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 using Energy of Transitions can be measured.
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