Table 2. Percent Contraction of d-Spacing Values from Calculated and JCPDS Data.

2θ (deg)	d-spacing (Å)	JCPDS data (Å)	contraction (%)
31.90	2.8034	2.8143	0.38
34.58	2.5914	2.6033	0.45
36.38	2.4674	2.4759	0.34
47.70	1.9048	1.9111	0.32
56.75	1.6209	1.6247	0.23
63.01	1.4739	1.4771	0.21