  The deviation of positions of atoms from their ideal lattice sites in
crystalline solid state systems causes distortion and can lead to variation in
structural [1] and functional properties [2]. Distortion in molecular systems
has been traditionally understood in the term of Jahn-Teller distortion [3],
while for the one-dimensional chain of metals, the Peierls distortion mechanism
has been proposed [4]. In a real three dimensional metallic systems, a
fundamental description of the distortion is missing, which we need to design
alloys with attractive structural properties. The present investigation
presents the evolution of distortion in metallic systems in terms of
magnetovolume effects arising due to magnetic ground-state of the system.
Particularly the significant distortion in the case of Cr due to presence of
other transition metals is seen. Cr alloyed with transition metals as a
candidate system to study the correlation between charge disproportion,
spin-flip, magnetovolume effects and Fermi surface nesting. This study provides
a novel explanation of strengthening effect of Cr observed in alloys due to its
unique magnetic properties.
