[Wien] Such a vast difference in two values of K’ for the same case.

2012-07-30 Thread Vinayak Mishra
I have basically two questions to ask. I will like to mention that I have gone through the related previous questions and their answers on registered users site. I will be highly obliged if you could kindly spare some time to go through the following two queries. 1.) I was doing c/a optimization

[Wien] Such a vast difference in two values of K’ for the same case.

2012-07-30 Thread Peter Blaha
I would not bother too much about B', but B is changing by 20 %, which is too much. You have to analyse your data to find out where your error is. Maybe in one set of calculations you have not got the optimized c/a ratio (and corresponding energy) for each volume ??? PS: 5 points are probably