## Spectroscopy and structure |

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### Contents

Chapter Two Atomic Spectra and Atomic Structure | 29 |

Chapter Three Rotational Spectra | 60 |

Chapter Four VibrationRotation Spectra of Diatomic Molecules | 80 |

Copyright | |

5 other sections not shown

### Common terms and phrases

absorption spectrum amplitude angle angular momentum antibonding approximately atomic orbitals axes band system bond length calculated chemical shifts classical components configuration corresponding coupling constants determined diatomic molecules dipole doublet eigenfunctions eigenvalues electric dipole electron spins electronic transition emission energy levels equation equilibrium excited force constants Franck-Condon principle function fundamental bands gives Hamiltonian harmonic hydrogen hyperfine infra-red infra-red spectrum intensity interaction internuclear distance isotopic ligands linear molecules lines lowest magnetic field magnitude microwave molecular orbital motion normal co-ordinates normal modes nuclear nuclei observed operator oscillator perturbation planar plane point group polarizability polyatomic molecules possible potential curves protons pure rotational Q branch quantum mechanics quantum number Raman bands Raman spectrum rotational structure Rydberg selection rules shows singlet spectroscopy spin-orbit coupling spin-spin splitting stretching symmetric top symmetry species Table term values theory triplet ultraviolet usually valence vector vibration frequencies vibrational energy vibrational levels wavefunctions wavelength whereas