The coordinates of the four I atoms in the unit cell ofKI04 are (0,0,0), (O, ,

Question:

The coordinates of the four I atoms in the unit cell ofKI04 are (0,0,0), (O, ½ , ½ ), (½, ½, ½, ), (½,O,¾)· By calculating the phase of the I reflection in the structure factor, show that the I atoms contribute no net intensity to the (114) reflection.