rc = 5
rho0(2) = 1.95451459788179
Ec(1,2) = 2.96
alpha(1,2) = 4.2806052
re(1,2) = 2.844245103 
lattce(1,2) = 'l12'
nn2(1,1)=1
nn2(1,2)=1
nn2(2,2)=1
Cmin(1,1,1) = 0.541411769674489
Cmin(1,1,2) = 0.416479475585198
Cmin(1,2,1) = 0.624842229620848
Cmin(1,2,2) = 0.441311679981917
Cmin(2,2,1) = 0.406155790395343
Cmin(2,2,2) = 1.63135948129772