1. Crustal Structures;Megaw,1973
2. The ionic radii were taken from the Bokii-Belov table in Zhdanov (Crystal Physics. Oliver & Boyd. 1965) with the corrections of coordination number and stabilization energy. exception for CsGeCl3 see ref. (55).
3. Introduction to Ligand Theory;Ballhausen,1962
4. The theory of Transition Metal Ions;Griffith,1962
5. 332. The crystal structure of CsCuCl3 and the crystal chemistry of complex halides ABX3