thought of as the rotation of an H atom, which is confined to the surface of a sphere, about a stationary I atom, which is located at the centre of that sphere. The length of the HI bond is 1.6 × 10−10 m. Calculate the energies of the three lowest rotational energy levels and state their degeneracies.
Electronic Transitions and Spectroscopy
The term “electronic” connotes electron, and the term “transition” implies transformation. In a molecule, the electrons move from a lower to a higher energy state due to excitation. The two energy states, the ground state and the excited state are the lowest and the highest energy states, respectively. An energy change is observed with this transition, which depicts the various data related to the molecule.
Photoelectron Spectroscopy
Photoelectron spectroscopy (PES) is a part of experimental chemistry. It is a technique used in laboratories that involves projecting intense beams of radiation on a sample element. In response, the element ejects electrons for which the relative energies are measured.
The rotation of a 1H127I molecule can be thought of as the rotation of an H atom, which is confined to the surface of a sphere, about a stationary I atom, which is located at the centre of that sphere. The length of the HI bond is 1.6 × 10−10 m. Calculate the energies of the three lowest rotational energy levels and state their degeneracies.
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