Spectroscopic properties
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      **See also:**
      ADF-GUI tutorials: excitation energies,  vibrational frequencies
      Examples: IR spectra, excitation energies, response properties, NMR, ESR, EFG

* Vibrational Spectroscopy

  * IR frequencies and normal modes

  * (Resonance) Raman

  * VROA: (Resonance) vibrational Raman optical activity

  * VCD: Vibrational Circular Dichroism

  * Vibrational Polarizabilities

* Time-dependent DFT

  * General remarks on the Response and Excitation functionality

  * Analysis options for TDDFT (excitation energies and
    polarizabilities)

  * Time-dependent Current DFT

* Excitation energies: UV/Vis, X-ray, CD, MCD

  * Excitation energies, UV/Vis spectra

  * Excitation energies for open-shell systems

  * Select (core) excitation energies, X-ray absorption

  * XES: X-ray emission spectroscopy

  * Excitation energies and spin-orbit coupling

  * CV(n)-DFT: Constricted Variational DFT

  * HDA, TD-DFT+TB, TDDFT-aas, sTDDFT

  * CD spectra

  * MCD

  * Analysis

* Excited state (geometry) optimizations

  * Nuclear gradients only

* Vibrationally resolved electronic spectra

  * AH-FC: Adiabatic Hessian Franck-Condon

  * VG-FC: Vertical Gradient Franck-Condon

* (Hyper-)Polarizabilities, ORD, magnetizabilities, Verdet constants

  * RESPONSE: (Hyper-)Polarizabilities, ORD

  * AORESPONSE: Lifetime effects, (Hyper-)polarizabilities, ORD,
    magnetizabilities, Verdet constants

  * PolTDDFT: Damped Complex Polarizabilities

  * Van der Waals dispersion coefficients

* Ligand Field and Density Functional Theory (LFDFT)

  * Introduction

  * Input description

* NMR

  * NMR Chemical Shifts

  * Paramagnetic NMR Chemical Shifts

  * NMR spin-spin coupling constants

* ESR/EPR

  * ESR/EPR g-tensor and A-tensor

  * ESR/EPR Q-tensor

  * ESR/EPR Zero-field splitting (D-tensor)

* Nuclear Quadrupole Interaction (EFG)

* Mössbauer spectroscopy

* GW

  * General

  * Levels of self-consistency

  * Vertex corrections beyond GW

  * Embedding

  * Recommendations

  * GW key
