<DIV>Dear all Wien users,</DIV> <DIV> I am a new Wien user.I want to calculate Al2O3 supercell with vacuum slab in Wien2k.Basic inputs for ground state calculation of Al2O3(rhombohedra system) are given below:</DIV> <DIV> </DIV> <DIV> Space group: 167 R-3c</DIV> <DIV>Cell parameters: 4.7626 4.7626 13.0032 ; 90.00 90.00 90.00</DIV> <DIV> </DIV> <DIV>Positions: </DIV> <DIV>Al: 0.14807920 0.14807920 0.14807920</DIV> <DIV> </DIV> <DIV> 0.64807920 0.64807920 0.64807920</DIV> <DIV> 0.35192080 0.35192080 0.35192080</DIV> <DIV> </DIV> <DIV> 0.85192080 0.85192080 0.85192080</DIV> <DIV> </DIV> <DIV>O: 0.9437520 0.5562480 0.250000</DIV> <DIV> 0.5562480 0.250000 0.9437520</DIV> <DIV>
0.250000 0.9437520 0.5562480</DIV> <DIV> 0.0562480 0.4437520 0.750000</DIV> <DIV> 0.4437520 0.7500000 0.0562480</DIV> <DIV> 0.7500000 0.0562480 0.9437520</DIV> <DIV> </DIV> <DIV>I have to change the struct file in hexagonal form to produce the supercell in Wien.I have tried several times with diff inputs. But space group does not support. I chages from its original value(167 R-3c) to diff one.</DIV> <DIV> </DIV> <DIV>Please help me.</DIV> <DIV> </DIV> <DIV>swati</DIV> <DIV> </DIV> <DIV> </DIV><p> 
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