Quantum Chemistry (QC) is a branch of science which uses quantum mechanics to
treat chemical and physical properties of compounds on atomic level.
In our group, we use it to predict the structure of polycrystalline and nanocrystalline
materials and to interpret Raman and XANES spectra.
USEFUL LINKS
Crystal  a computational tool for solid state chemistry and physics.
Basis Set Exchange from EMSL.
Pseudopotentials, ECPs at UniStuttgart.
VASP  A package for performing abinitio quantummechanical molecular dynamics (MD) using pseudopotentials and a plane wave basis set.
ABINIT  Density Functional Theory (DFT) using pseudopotentials and a planewave or wavelet basis.
QuantumEspresso  a code based on densityfunctional theory, plane waves, and pseudopotentials for electronicstructure calculations and materials modeling at the nanoscale.
CASTEP  a firstprinciples code based on planewave basis set and pseudopotentials.
Wien2k  a firstprinciples code based on fullpotential (linearized) augmented planewave ((L)APW) + local orbitals (lo) method.
SIESTA  a code to perform efficient electronic structure calculations and ab initio molecular dynamics simulations of molecules and solids.
LmtART  The fullpotential linearmuffintinorbital (FPLMTO) program to perform band structure, total energy and force calculations within the methods of density functional theory (DFT).
Elk  an allelectron fullpotential linearised augmentedplane wave (FPLAPW) code.
Bilbao Crystallographic Server.
ISOTROPY  a software package which applies group theoretical methods to the analysis of phase transitions in crystalline solids.
FINDSYM  identifies the space group of a crystal, given the positions of the atoms in a unit cell.
CrGraph  visualization of computed properties (bands, DOS, charge density, electrostatic potential) for Crystal.
MolDraw  a program to display and manipulate molecular and crystalline structures.
XCrySDen  A crystalline and molecular structure visualisation program.
Jice  A Jmol Interface for Crystallographic and Electronic Properties.
VESTA  a 3D visualization program for structural models and 3D grid data such as electron/nuclear densities.
VMD  a molecular visualization program for displaying, animating, and analyzing large biomolecular systems using 3D graphics and builtin scripting.
POVRay  The Persistence of Vision Raytracer, a tool for producing highquality computer graphics.
DLFIND  a geometry optimiser for quantum chemical and QM/MM calculations.
Phonopy  an open source phonon analyzer.
ASE  Atomic Simulation Environment.
Tilde  distributed database of physicochemical properties calculated ab initio (use Firefox !).
ToposPro  a program package for comprehensive analysis of geometrical and topological properties of periodic structures (crystals, networks, tilings).
ETSF  European Theoretical Spectroscopy Facility.
Atomistic Simulation of Inorganic Solids.
