on what basis have d-orbitals been given name as dxy or dyz or dxz or dx2-y2 or dz2. Is there any relation between the names given and the shapes viz. double dumble or baby soother?????

Dear deeksha,

(i) The three orbitals d_xy, d_yz, and d_zx are similar and each consists of four lobes of high electron density lying in xy, yz and zx planes respectively. These lobes lie in between the principal axes. For e.g., in case of d_xy orbital, the four lobes lie in xy plane in between the x and y-axes.

(ii) The d_x²_{- y}² orbital has also four lobes of high electron density along the principal axes x and y. It may be noted that this orbital is exactly like d_xy orbital except that it is rotated through 45^o around the z-axis.

(iii) The d_z² orbital consists of two lobes along the z-axis with ring of high electron density in the xy plane.

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HI , deeksha yes dxy,dyz,dzx is related 2 fig. xy in XY-plane ...and d_x^2_-y^{2   is on X and Y plane thats y it is square.and so onn...}

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