The spacings of the rotational fine structure lines of carbon dioxide 12C160₂ are determined from IR spectroscopy to be 0.7564 cm ¹. Calculate the C-O bond length of the molecule (given masses: m(¹2C) = 12 amu, m(160) = 15.9949 amu). Angstroms Hint: Look in Table 12.1 of Atkins/dePaula (P. Chem. 9th edition) to learn the relations between the moment of inertia, masses, and bond lengths of various types of rotors. Submit Answer
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.
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