Structural characteristics of alkali and alkaline-earth metals vanadates (V)

Based on the models for efficient ionic radii and transformations of crystalline structures into quasi-cubic ones, structural characteristics (interstructural distances, particle sizes) of alkali and alkaline-earth metals vanadates have been calculated. It has been shown that in all crystal singonies and structures the base unit is VO3- ion with minimum radius 1.96614(3).