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//chapter-1,Example1_2,pg 40
//miller plane 231
a=1.2*10^-10
b=1.8*10^-10
c=2*10^-10//primitives of crystal
//intercepts of ABC plane
a1=a/2
b1=b/3
c1=c/1
//intercept of ABC plane along X-axis =0.6*10^-10
//ABC is not the reqd. plane
//intercept of DEF plane parallel to ABC
a2=a
b2=(2*b)/3
c2=2*c
//miller indices for DEF
//1:(3/2):(1/2)
printf("intercept of DEF plane\n")
printf("along x-axis=%.11f\n",a2)
printf("along y-axis=%.11f\n",b2)
printf("\nalong z-axis=%.11f",c2)
printf("\nDEF is the reqd. plane")
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