CrH2O6Cl3 has a magnetic moment of 3.83 B.M.  According to CFT, the correct distribution of 3d electrons in the chromium ion  of complex is

Cr=Ar4s13d5; Cr+3=Ar3d3;t2g set of orbitals are dxy, dyz, dxz;According to CFT configuration is t2g3 eg0; Thus the distribution is 3d xy1 ,3dyz1 ,   3dzx1;