+ 2 2 2= C h2+k2+1 2=90.713 + co 88 . 756 ..... . 2.4 2.5 2.6 2.7 2.8 2.9 3. 3.1 3.2 Degrees Figure 4.5 Plot of data for 100 KV, a=3.56 Angstroms, B=(114), from Figure 4.4.