Dissociation Energy given Vibrational Wavenumber Solution

STEP 0: Pre-Calculation Summary
Formula Used
Dissociation Energy of Potential = (Vibrational Wavenumber^2)/(4*Anharmonicity Constant*Vibrational Wavenumber)
De = (ω'^2)/(4*xe*ω')
This formula uses 3 Variables
Variables Used
Dissociation Energy of Potential - (Measured in Joule) - Dissociation Energy of Potential is the energy which is measured from the bottom of the potential.
Vibrational Wavenumber - (Measured in Diopter) - Vibrational Wavenumber is simply the harmonic vibrational frequency or energy expressed in units of cm inverse.
Anharmonicity Constant - Anharmonicity Constant is the deviation of a system from being a harmonic oscillator which is related to the vibrational energy levels of diatomic molecule.
STEP 1: Convert Input(s) to Base Unit
Vibrational Wavenumber: 15 1 per Meter --> 15 Diopter (Check conversion ​here)
Anharmonicity Constant: 0.24 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
De = (ω'^2)/(4*xe*ω') --> (15^2)/(4*0.24*15)
Evaluating ... ...
De = 15.625
STEP 3: Convert Result to Output's Unit
15.625 Joule --> No Conversion Required
FINAL ANSWER
15.625 Joule <-- Dissociation Energy of Potential
(Calculation completed in 00.004 seconds)

Credits

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Created by Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
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Verified by Pragati Jaju
College Of Engineering (COEP), Pune
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Dissociation Energy given Vibrational Wavenumber Formula

​LaTeX ​Go
Dissociation Energy of Potential = (Vibrational Wavenumber^2)/(4*Anharmonicity Constant*Vibrational Wavenumber)
De = (ω'^2)/(4*xe*ω')

What is Dissociation energy?

The term dissociation energy may be appreciated by reference to potential energy internuclear distance curves. At about 0 K all molecules have no rotational energy but are merely vibrating with their zero-point energy. Thus, diatomic molecules are in the v = 0 vibrational level. The energy required to separate the stable molecule A - B initially in the v = 0 level into two unexcited atoms A and B, that is: A - B → A+B is known as the dissociation energy (D).

How to Calculate Dissociation Energy given Vibrational Wavenumber?

Dissociation Energy given Vibrational Wavenumber calculator uses Dissociation Energy of Potential = (Vibrational Wavenumber^2)/(4*Anharmonicity Constant*Vibrational Wavenumber) to calculate the Dissociation Energy of Potential, The Dissociation Energy given Vibrational Wavenumber formula is defined as the energy which is measured from the bottom of the potential of vibrational energy levels for a diatomic molecule. Dissociation Energy of Potential is denoted by De symbol.

How to calculate Dissociation Energy given Vibrational Wavenumber using this online calculator? To use this online calculator for Dissociation Energy given Vibrational Wavenumber, enter Vibrational Wavenumber (ω') & Anharmonicity Constant (xe) and hit the calculate button. Here is how the Dissociation Energy given Vibrational Wavenumber calculation can be explained with given input values -> 15.625 = (15^2)/(4*0.24*15).

FAQ

What is Dissociation Energy given Vibrational Wavenumber?
The Dissociation Energy given Vibrational Wavenumber formula is defined as the energy which is measured from the bottom of the potential of vibrational energy levels for a diatomic molecule and is represented as De = (ω'^2)/(4*xe*ω') or Dissociation Energy of Potential = (Vibrational Wavenumber^2)/(4*Anharmonicity Constant*Vibrational Wavenumber). Vibrational Wavenumber is simply the harmonic vibrational frequency or energy expressed in units of cm inverse & Anharmonicity Constant is the deviation of a system from being a harmonic oscillator which is related to the vibrational energy levels of diatomic molecule.
How to calculate Dissociation Energy given Vibrational Wavenumber?
The Dissociation Energy given Vibrational Wavenumber formula is defined as the energy which is measured from the bottom of the potential of vibrational energy levels for a diatomic molecule is calculated using Dissociation Energy of Potential = (Vibrational Wavenumber^2)/(4*Anharmonicity Constant*Vibrational Wavenumber). To calculate Dissociation Energy given Vibrational Wavenumber, you need Vibrational Wavenumber (ω') & Anharmonicity Constant (xe). With our tool, you need to enter the respective value for Vibrational Wavenumber & Anharmonicity Constant and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Dissociation Energy of Potential?
In this formula, Dissociation Energy of Potential uses Vibrational Wavenumber & Anharmonicity Constant. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Dissociation Energy of Potential = Zero Point Dissociation Energy+Zero Point Energy
  • Dissociation Energy of Potential = Zero Point Dissociation Energy+Zero Point Energy
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