How to Calculate First Overtone Frequency?
First Overtone Frequency calculator uses First Overtone Frequency = (2*Vibrational Frequency)*(1-3*Anharmonicity Constant) to calculate the First Overtone Frequency, The First overtone frequency formula is defined as the frequency of photons on the first excited state/ overtone band of a diatomic molecule. First Overtone Frequency is denoted by v0->2 symbol.
How to calculate First Overtone Frequency using this online calculator? To use this online calculator for First Overtone Frequency, enter Vibrational Frequency (vvib) & Anharmonicity Constant (xe) and hit the calculate button. Here is how the First Overtone Frequency calculation can be explained with given input values -> 0.728 = (2*1.3)*(1-3*0.24).