[Pw_forum] Space Group Issue
Amar Singh
amarsingh122014 at rediffmail.com
Tue Sep 19 08:16:45 CEST 2017
Thanks for the suggestion Paolo Giannozzi. Removing ibrav working fine partially. Space group R3C (no. 161) itself generated six equivalent positions for Ba and Ti, which is correct according to the known structure. Though, even generated O atoms are six in numbers, which should be 18. I also confirmed the positions of all atoms by another software (Diamond) and it is able to generate 18 O atoms along with six Ba & Ti. Would be thankful for any suggestion on that.Following the section of script I am using. &system celldm(1) = 10.578, celldm(3) = 2.475, nat = 3, ntyp = 3, ecutwfc = 40 space_group = 161ATOMIC_POSITIONS crystal_sgBa 0.00000 0.00000 0.26640 1 1 1Ti 0.00000 0.00000 0.01568 1 1 1O 0.1338 0.3363 0.08333 1 1 1thanksAS
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