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[PGanesh <pganesh@ciw.edu>]

Hi,

I would like to do a calculaion where the vecors 'a' and 'b' are kept 
constant, while 'c' would be optimized.  I find that 'opcell = 6" would 
optimize the magnitude of 'c', but not its angle with 'a' and 'b' (i.e. 
alpha and beta).  Is it possible to optimize all three (i.e. magnitude 
and the two angles that vector 'c' would make) using Abinit? 

Thanks,
Ganesh