[Wien] vacuum thickness

翠玉 耿 cygeng77 at yahoo.com.cn
Sat Aug 2 10:15:45 CEST 2003


 
Dear Stefaan:

Thanks a lot for your reply, I had read your step-by-step book, which gives me much help.  Here I’m dealing with a phase boundary question. For the following struct I post, when perform initialization, sgroup always produces another struct, which seems neither z=0 or z=0.5 will be the center of the vacuum. So how could I apply your strategy: WF = (v0c or v5c) - :FER? Thanks in advance!

Best wishes!

 

Title                                                                          

P   LATTICE,NONEQUIV.ATOMS:  899_P4mm                                          

MODE OF CALC=RELA unit=bohr                                                    

  6.700969  6.700969 20.102907 90.000000 90.000000 90.000000                   

ATOM  -1: X=0.00000000 Y=0.00000000 Z=0.66666667

          MULT= 1          ISPLIT=-2

Al1        NPT=  781  R0=0.00010000 RMT=    2.3000   Z: 13.0                   

LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000

                     0.0000000 1.0000000 0.0000000

                     0.0000000 0.0000000 1.0000000

ATOM  -2: X=0.00000000 Y=0.00000000 Z=0.00000000

          MULT= 1          ISPLIT=-2

Al2        NPT=  781  R0=0.00010000 RMT=    2.3000   Z: 13.0                   

LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000

                     0.0000000 1.0000000 0.0000000

                     0.0000000 0.0000000 1.0000000

ATOM  -3: X=0.50000000 Y=0.50000000 Z=0.66666667

          MULT= 1          ISPLIT=-2

Ni1        NPT=  781  R0=0.00005000 RMT=    2.3000   Z: 28.0                   

LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000

                     0.0000000 1.0000000 0.0000000

                     0.0000000 0.0000000 1.0000000

ATOM  -4: X=0.00000000 Y=0.50000000 Z=0.83333333

          MULT= 2          ISPLIT= 8

      -4: X=0.50000000 Y=0.00000000 Z=0.83333333

Ni2        NPT=  781  R0=0.00005000 RMT=    2.3000   Z: 28.0                   

LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000

                     0.0000000 1.0000000 0.0000000

                     0.0000000 0.0000000 1.0000000

ATOM  -5: X=0.50000000 Y=0.50000000 Z=0.00000000

          MULT= 1          ISPLIT=-2

Ni3        NPT=  781  R0=0.00005000 RMT=    2.3000   Z: 28.0                   

LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000

                     0.0000000 1.0000000 0.0000000

                     0.0000000 0.0000000 1.0000000

ATOM  -6: X=0.00000000 Y=0.50000000 Z=0.16666667

          MULT= 2          ISPLIT= 8

      -6: X=0.50000000 Y=0.00000000 Z=0.16666667

Ni4        NPT=  781  R0=0.00005000 RMT=    2.3000   Z: 28.0                   

LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000

                     0.0000000 1.0000000 0.0000000

                     0.0000000 0.0000000 1.0000000

ATOM  -7: X=0.00000000 Y=0.00000000 Z=0.33333333

          MULT= 1          ISPLIT=-2

Ni5        NPT=  781  R0=0.00005000 RMT=    2.3000   Z: 28.0                   

LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000

                     0.0000000 1.0000000 0.0000000

                     0.0000000 0.0000000 1.0000000

ATOM  -8: X=0.50000000 Y=0.50000000 Z=0.33333333

          MULT= 1          ISPLIT=-2

Ni6        NPT=  781  R0=0.00005000 RMT=    2.3000   Z: 28.0                   

LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000

                     0.0000000 1.0000000 0.0000000

                     0.0000000 0.0000000 1.0000000

   8      NUMBER OF SYMMETRY OPERATIONS

 1 0 0 0.0000000

 0 1 0 0.0000000

 0 0 1 0.0000000

       1

-1 0 0 0.0000000

 0-1 0 0.0000000

 0 0 1 0.0000000

       2

 0-1 0 0.0000000

 1 0 0 0.0000000

 0 0 1 0.0000000

       3

 0 1 0 0.0000000

-1 0 0 0.0000000

 0 0 1 0.0000000

       4

 1 0 0 0.0000000

 0-1 0 0.0000000

 0 0 1 0.0000000

       5

-1 0 0 0.0000000

 0 1 0 0.0000000

 0 0 1 0.0000000

       6

 0-1 0 0.0000000

-1 0 0 0.0000000

 0 0 1 0.0000000

       7

 0 1 0 0.0000000

 1 0 0 0.0000000

 0 0 1 0.0000000

       8




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