Intensity 100 901 CsCl:Pm-3m a=0.431nm -10 0 10 40 50 70 80 90100110120 130 140 150 160 170 180 2-theta =1.9373A Cscl(Sim) Observed Reflections Intensity 1001 bcc-Fe:Im-3m 0 a=0.287nm 00 o -10 10 20 60 70 90 100 110 120 130 140 150 160 170 180 2-theta Fe (5im) Observed Reflections3 CsCl: Pm-3m a=0.431nm bcc-Fe: Im-3m a=0.287 nm =1.9373 Å