Crystal chemistry compounds with

Fig. 14. Choleic acid inclusion chemistry (a) crystal stmcture of DCA inclusion compound with phenanthrene (b) view along a DCA inclusion helix accommodating DMSO and water guest molecules (oxygen and sulfur atoms and methyl groups are represented by open circles and large and small black...

Crystal chemistry of Ta and Nb fluorides - Compounds with chain-type structures... 

Crystal chemistry ofTa and Nb fluorides — Compounds with chain-type structures 91... 

Crystal chemistry ofTa cmdNb fluorides - Compounds with layered-type structures 99... 

Crystal chemistry ofTa andNb fluorides - compounds with framework-type structures... 

The crystal chemistry of A3RF6 and A2RF5 compounds with A=alkali and R=rare earth elements. O. Greis, Rev. Inorg. Chem., 1982, 4, 87—i01 (55). 

Most monochalcogenides of the Group 3 metals adopt the rock salt (NaCl) structure. Note that the crystal chemistry of divalent europium is very similar to that of the alkaline earths, particularly strontium, as the radius of Eu is almost the same as that of Sr ". For the Yb compounds, the cell dimensions are practically identical with those of the Ca compounds. 

---