Abstract
Theoretical background of bridging bond formation of dissimilar metal atoms mediated by an oxygen atom is given for the system Ca(OH)2-SiO2. Physicochemical significance of low coordination state is emphasized in conjunction with higher reaction probability. A solid state addition reaction at room temperature is shown to be well possible when mechanical stress is applied to promote materials transfer via a mechanical diffusion. Application of such a soft-mechanochemical process is given for complex perovskite oxides. Associated ligand field distortion is also used for solid state synthesis of Fe (II) octahedral comlexes, e.g., Fe (II) (phen)2Cl2, where phen denotes 1, 10-phenanthroline.
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