Usefull links

1. Chemistry and Crystallography

• Periodic table

• Inorganic crystal structure database (ICSD). Link 1 (require subscription), Link 2

• Other databases: NIMS - AtomWork, Mineral database, Cod

• Chose k-path

• Simplest thermodynamic phase diagrams: OQMD

2. Physics

• Slater-coster parameters

• Fermi surfaces of simple metals

• Clebsch-Gordan coefficients

• Table of Shannon's ionic radii

• MAGNDATA: Database of various magnetic structure

• Magnetic units converter

• List of the 1st ionization potentials

• List of the Metal-metal bonds

3. Symmetry (mostly Bilbao Crystallographic Server)

• Convert CIF/POSCAR

• List of space and point (or here) groups

• Illustrations of different point groups. 

• Wyckoff positions for all space groups (see also International Tables)

• Find symmetry tool

• Character tables

• Raman tensors

5. Math

• Matrix operations on-line: Brunner's tools, BlueBit (column corresponds to each eigenvalue)

• Point group characters

6. Travels

• Cheap tickets search: yandex, skyscanner.ru, hipmunk.com, kayak.com, anydayanyway.com

• Map of cheap flights: map.aviasales.ru

• Map of current flights: flightradar24.com

• Flight statistics (delay etc.): flightstats.com

• Prices in different countries: numbero.com

• Power sockets and plugs in different countries: world-power-plugs.com

• Time Zone Converter timeanddate.com

7. Other

• Check english pronunciation forvo.com

• Kolhoz library

• Compress pdf 

Important formula

•  jeff=1/2 and jeff=3/2