POSCAR file for truncated octahedron

Queries about input and output files, running specific calculations, etc.


Moderators: Global Moderator, Moderator

Locked
Message
Author
AB
Newbie
Newbie
Posts: 3
Joined: Mon Sep 13, 2010 1:13 pm

POSCAR file for truncated octahedron

#1 Post by AB » Wed Oct 27, 2010 8:39 am

Hello! I would like to calculate Co3O4 oxide and input in POSCAR file the following
Spinel Co3O4
8.084
1.0 0.0 0.0
0.0 1.0 0.0
0.0 0.0 1.0
6 8
direct
-0.125 -0.125 -0.125
0.125 0.125 0.125
0.50 0.50 0.50
0.50 0.25 0.25
0.25 0.50 0.25
0.25 0.25 0.50
1.00 1.00 1.00
1.00 -0.75 -0.75
-0.75 1.00 -0.75
-0.75 -0.75 1.00
-1.00 -1.00 -1.00
-0.75 -0.75 -1.00

but my calculations was not executed, I thing it was of POSCAR file. what I did wrong?
Thank you veru much in advance.
Last edited by AB on Wed Oct 27, 2010 8:39 am, edited 1 time in total.

forsdan
Sr. Member
Sr. Member
Posts: 339
Joined: Mon Apr 24, 2006 9:07 am
License Nr.: 173
Location: Gothenburg, Sweden

POSCAR file for truncated octahedron

#2 Post by forsdan » Wed Oct 27, 2010 9:01 am

On the 6th line you supply 6+8 = 14 ions, but you only give coordinates for 12. Also, ion number 10 and 12 have the same coordinates, as well as number 7 and 11, since you are using direct coordinates.

/Dan


<span class='smallblacktext'>[ Edited Wed Oct 27 2010, 11:06AM ]</span>
Last edited by forsdan on Wed Oct 27, 2010 9:01 am, edited 1 time in total.

AB
Newbie
Newbie
Posts: 3
Joined: Mon Sep 13, 2010 1:13 pm

POSCAR file for truncated octahedron

#3 Post by AB » Wed Oct 27, 2010 1:19 pm

Thank you so much for help
Last edited by AB on Wed Oct 27, 2010 1:19 pm, edited 1 time in total.

Locked