Page 191 - PRINCIPLES OF QUANTUM MECHANICS as Applied to Chemistry and Chemical Physics

182 The hydrogen atom
z z

2 1 2 1

x y

1 2 1 2
3d xz 3d yz
y

2 1

x

1 2

3d xy
z
y

1
2

1 1 2 2 any axis '
x z-axis

2
1
3dx 2 2y 2
3d z 2

Figure 6.3 Polar graphs of the hydrogen 3d atomic orbitals. Regions of positive and
negative values of the orbitals are indicated by ‡ and ÿ signs, respectively. The
distance of the curve from the origin is proportional to the square of the angular part
of the atomic orbital.