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Vibrational Frequency given First Overtone Frequency Calculator

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Important formulae on Vibrational Spectroscopy Vibrational energy levels

✖First Overtone Frequency is the frequency of photons on the first excited state/ overtone band of a diatomic molecule.ⓘ First Overtone Frequency [v_0->2]			+10% -10%
✖Anharmonicity Constant is the deviation of a system from being a harmonic oscillator which is related to the vibrational energy levels of diatomic molecule.ⓘ Anharmonicity Constant [x_e]			+10% -10%

✖The Vibrational Frequency is the frequency of photons on the excited state.ⓘ Vibrational Frequency given First Overtone Frequency [v_vib]

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Vibrational Frequency given First Overtone Frequency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Vibrational Frequency = First Overtone Frequency/2*(1-3*Anharmonicity Constant)
v_vib = v_0->2/2*(1-3*x_e)
This formula uses 3 Variables

Variables Used

Vibrational Frequency - (Measured in Hertz) - The Vibrational Frequency is the frequency of photons on the excited state.
First Overtone Frequency - (Measured in Hertz) - First Overtone Frequency is the frequency of photons on the first excited state/ overtone band of a diatomic molecule.
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

First Overtone Frequency: 0.75 Hertz --> 0.75 Hertz No Conversion Required
Anharmonicity Constant: 0.24 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

v_vib = v_0->2/2*(1-3*x_e) --> 0.75/2*(1-3*0.24)

Evaluating ... ...

v_vib = 0.105

STEP 3: Convert Result to Output's Unit

0.105 Hertz --> No Conversion Required

FINAL ANSWER

0.105 Hertz <-- Vibrational Frequency

(Calculation completed in 00.004 seconds)

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National Institute of Information Technology (NIIT), Neemrana

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< Vibrational Spectroscopy Calculators

Anharmonic Potential Constant

LaTeX Go Anharmonic Potential Constant = (Rotational Constant vib-Rotational Constant Equilibrium)/(Vibrational Quantum Number+1/2)

Anharmonicity Constant given Fundamental Frequency

LaTeX Go Anharmonicity Constant = (Vibration Frequency-Fundamental Frequency)/(2*Vibration Frequency)

Anharmonicity Constant given Second Overtone Frequency

LaTeX Go Anharmonicity Constant = 1/4*(1-(Second Overtone Frequency/(3*Vibrational Frequency)))

Anharmonicity Constant given First Overtone Frequency

LaTeX Go Anharmonicity Constant = 1/3*(1-(First Overtone Frequency/(2*Vibrational Frequency)))

< Important Calculators of Vibrational Spectroscopy Calculators

Rotational Constant Related to Equilibrium

LaTeX Go Rotational Constant Equilibrium = Rotational Constant vib-(Anharmonic Potential Constant*(Vibrational Quantum Number+1/2))

Rotational Constant for Vibrational State

LaTeX Go Rotational Constant vib = Rotational Constant Equilibrium+(Anharmonic Potential Constant*(Vibrational Quantum Number+1/2))

Vibrational Quantum Number using Vibrational Frequency

LaTeX Go Vibrational Quantum Number = (Vibrational Energy/([hP]*Vibrational Frequency))-1/2

Vibrational Quantum Number using Vibrational Wavenumber

LaTeX Go Vibrational Quantum Number = (Vibrational Energy/[hP]*Vibrational Wavenumber)-1/2

Vibrational Frequency given First Overtone Frequency Formula

LaTeX Go

Vibrational Frequency = First Overtone Frequency/2*(1-3*Anharmonicity Constant)
v_vib = v_0->2/2*(1-3*x_e)

What is vibrational energy?

Vibrational spectroscopy looks at the differences in energy between the vibrational modes of a molecule. These are larger than the rotational energy states. This spectroscopy can provide a direct measure of bond strength. The vibration energy levels can be explained using diatomic molecules.
To a first approximation, molecular vibrations can be approximated as simple harmonic oscillators, with an associated energy known as vibrational energy.

How to Calculate Vibrational Frequency given First Overtone Frequency?

Vibrational Frequency given First Overtone Frequency calculator uses Vibrational Frequency = First Overtone Frequency/2*(1-3*Anharmonicity Constant) to calculate the Vibrational Frequency, The Vibrational frequency given first overtone frequency formula is defined as the frequency of photons on the excited state of a diatomic molecule. Vibrational Frequency is denoted by v_vib symbol.

How to calculate Vibrational Frequency given First Overtone Frequency using this online calculator? To use this online calculator for Vibrational Frequency given First Overtone Frequency, enter First Overtone Frequency (v_0->2) & Anharmonicity Constant (x_e) and hit the calculate button. Here is how the Vibrational Frequency given First Overtone Frequency calculation can be explained with given input values -> 0.105 = 0.75/2*(1-3*0.24).

FAQ

What is Vibrational Frequency given First Overtone Frequency?

The Vibrational frequency given first overtone frequency formula is defined as the frequency of photons on the excited state of a diatomic molecule and is represented as v_vib = v_0->2/2*(1-3*x_e) or Vibrational Frequency = First Overtone Frequency/2*(1-3*Anharmonicity Constant). First Overtone Frequency is the frequency of photons on the first excited state/ overtone band of a diatomic molecule & 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 Vibrational Frequency given First Overtone Frequency?

The Vibrational frequency given first overtone frequency formula is defined as the frequency of photons on the excited state of a diatomic molecule is calculated using Vibrational Frequency = First Overtone Frequency/2*(1-3*Anharmonicity Constant). To calculate Vibrational Frequency given First Overtone Frequency, you need First Overtone Frequency (v_0->2) & Anharmonicity Constant (x_e). With our tool, you need to enter the respective value for First Overtone Frequency & 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 Vibrational Frequency?

In this formula, Vibrational Frequency uses First Overtone Frequency & Anharmonicity Constant. We can use 3 other way(s) to calculate the same, which is/are as follows -

Vibrational Frequency = Fundamental Frequency/(1-2*Anharmonicity Constant)
Vibrational Frequency = Second Overtone Frequency/3*(1-(4*Anharmonicity Constant))
Vibrational Frequency = Fundamental Frequency/(1-2*Anharmonicity Constant)

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