[Wien] why the extremely small RMT occurs in the unit cell?

Bing Zhou luxunca at yahoo.ca
Wed Sep 24 01:58:29 CEST 2014


Dear Peter,
Many thanks!
Best wishes,
Bing

--------------------------------------------
On Tue, 9/23/14, Peter Blaha <pblaha at theochem.tuwien.ac.at> wrote:

 Subject: Re: [Wien] why the extremely small RMT occurs in the unit cell?
 To: "A Mailing list for WIEN2k users" <wien at zeus.theochem.tuwien.ac.at>
 Received: Tuesday, September 23, 2014, 1:42 PM
 
 This is a rhombohedral
 structure !!! The most common problems are:
 
 For Lattice parameters you
 need to specify the   HEXAGONAL a,a,c
      atomic coordinates you need to
 put them in   RHOMBOHEDRAL coordinates
 
 You won't find this
 information in a "single exp. paper", because
 nobody mixes
 the information like that. Read
 the UG how to convert from H to R coordinates.
 
 Just count the number of atoms
 in your cell. For instance I see
 6 Zn
 atoms
 6 Cl atoms, ... so this can hardly
 make Zn"3" B7O13 Cl"1"
 and similar for B and O
 
 Am
 22.09.2014 18:17, schrieb Bing Zhou:
 >
 Dear all,
 > I am puzzled by the extremely
 small RMT in the following unit cell, did I do something
 wrong?  could you please check the case.struct and help me
 out?
 > Thanks!
 >
 Bing
 >
 > Mi et al,
 Zn3B7O13Cl
 >
 R   LATTICE,NONEQUIV.ATOMS: 10161_R3c
 > MODE OF CALC=RELA unit=bohr
 >   16.133071 16.133071 39.624719
 90.000000 90.000000120.000000
 > ATOM 
 -1: X=0.14634999 Y=0.29415000 Z=0.32700000
 >            MULT= 6         
 ISPLIT= 8
 > ATOM  -1:X= 0.29415000
 Y=0.32700000 Z=0.14634999
 > ATOM  -1:X=
 0.64634999 Y=0.82700000 Z=0.79415000
 >
 ATOM  -1:X= 0.32700000 Y=0.14634999 Z=0.29415000
 > ATOM  -1:X= 0.82700000 Y=0.79415000
 Z=0.64634999
 > ATOM  -1:X= 0.79415000
 Y=0.64634999 Z=0.82700000
 > Zn     
    NPT=  781  R0=0.00005000 RMT=   
 1.3400   Z: 30.0
 > 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=0.26670000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM  -2:X=
 0.00000000 Y=0.26670000 Z=0.00000000
 >
 ATOM  -2:X= 0.50000000 Y=0.76670000 Z=0.50000000
 > ATOM  -2:X= 0.26670000 Y=0.00000000
 Z=0.00000000
 > ATOM  -2:X= 0.76670000
 Y=0.50000000 Z=0.50000000
 > ATOM  -2:X=
 0.50000000 Y=0.50000000 Z=0.76670000
 >
 Cl         NPT=  781  R0=0.00010000 RMT= 
   1.2200   Z: 17.0
 > LOCAL
 ROT MATRIX:    1.0000000 0.0000000 0.0000000
 >                   
    0.0000000 1.0000000 0.0000000
 >                   
    0.0000000 0.0000000 1.0000000
 > ATOM  -3: X=0.16450001 Y=0.83470000
 Z=0.08310000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM  -3:X=
 0.83470000 Y=0.08310000 Z=0.16450001
 >
 ATOM  -3:X= 0.66450001 Y=0.58310000 Z=0.33470000
 > ATOM  -3:X= 0.08310000 Y=0.16450001
 Z=0.83470000
 > ATOM  -3:X= 0.58310000
 Y=0.33470000 Z=0.66450001
 > ATOM  -3:X=
 0.33470000 Y=0.66450001 Z=0.58310000
 >
 B          NPT=  781  R0=0.00010000 RMT=   
 0.3700   Z:  5.0
 > LOCAL ROT
 MATRIX:    1.0000000 0.0000000 0.0000000
 >                   
    0.0000000 1.0000000 0.0000000
 >                   
    0.0000000 0.0000000 1.0000000
 > ATOM  -4: X=0.10220001 Y=0.89750000
 Z=0.97120000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM  -4:X=
 0.89750000 Y=0.97120000 Z=0.10220001
 >
 ATOM  -4:X= 0.60220001 Y=0.47120000 Z=0.39750000
 > ATOM  -4:X= 0.97120000 Y=0.10220001
 Z=0.89750000
 > ATOM  -4:X= 0.47120000
 Y=0.39750000 Z=0.60220001
 > ATOM  -4:X=
 0.39750000 Y=0.60220001 Z=0.47120000
 >
 B          NPT=  781  R0=0.00010000 RMT=   
 0.3700   Z:  5.0
 > LOCAL ROT
 MATRIX:    1.0000000 0.0000000 0.0000000
 >                   
    0.0000000 1.0000000 0.0000000
 >                   
    0.0000000 0.0000000 1.0000000
 > ATOM  -5: X=0.00000000 Y=0.00000000
 Z=0.10170000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM  -5:X=
 0.00000000 Y=0.10170000 Z=0.00000000
 >
 ATOM  -5:X= 0.50000000 Y=0.60170000 Z=0.50000000
 > ATOM  -5:X= 0.10170000 Y=0.00000000
 Z=0.00000000
 > ATOM  -5:X= 0.60170000
 Y=0.50000000 Z=0.50000000
 > ATOM  -5:X=
 0.50000000 Y=0.50000000 Z=0.60170000
 >
 B          NPT=  781  R0=0.00010000 RMT=   
 0.3700   Z:  5.0
 > 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=0.00000000
 Z=0.98910000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM  -6:X=
 0.00000000 Y=0.98910000 Z=0.00000000
 >
 ATOM  -6:X= 0.50000000 Y=0.48910000 Z=0.50000000
 > ATOM  -6:X= 0.98910000 Y=0.00000000
 Z=0.00000000
 > ATOM  -6:X= 0.48910000
 Y=0.50000000 Z=0.50000000
 > ATOM  -6:X=
 0.50000000 Y=0.50000000 Z=0.48910000
 >
 O          NPT=  781  R0=0.00010000 RMT=   
 0.0900   Z:  8.0
 > LOCAL ROT
 MATRIX:    1.0000000 0.0000000 0.0000000
 >                   
    0.0000000 1.0000000 0.0000000
 >                   
    0.0000000 0.0000000 1.0000000
 > ATOM  -7: X=0.83969999 Y=0.99970000
 Z=0.10500000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM  -7:X=
 0.99970000 Y=0.10500000 Z=0.83969999
 >
 ATOM  -7:X= 0.33969999 Y=0.60500000 Z=0.49970000
 > ATOM  -7:X= 0.10500000 Y=0.83969999
 Z=0.99970000
 > ATOM  -7:X= 0.60500000
 Y=0.49970000 Z=0.33969999
 > ATOM  -7:X=
 0.49970000 Y=0.33969999 Z=0.60500000
 >
 O          NPT=  781  R0=0.00010000 RMT=   
 0.0900   Z:  8.0
 > LOCAL ROT
 MATRIX:    1.0000000 0.0000000 0.0000000
 >                   
    0.0000000 1.0000000 0.0000000
 >                   
    0.0000000 0.0000000 1.0000000
 > ATOM  -8: X=0.29140000 Y=0.26330000
 Z=0.96390000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM  -8:X=
 0.26330000 Y=0.96390000 Z=0.29140000
 >
 ATOM  -8:X= 0.79140000 Y=0.46390000 Z=0.76330000
 > ATOM  -8:X= 0.96390000 Y=0.29140000
 Z=0.26330000
 > ATOM  -8:X= 0.46390000
 Y=0.76330000 Z=0.79140000
 > ATOM  -8:X=
 0.76330000 Y=0.79140000 Z=0.46390000
 >
 O          NPT=  781  R0=0.00010000 RMT=   
 0.0900   Z:  8.0
 > LOCAL ROT
 MATRIX:    1.0000000 0.0000000 0.0000000
 >                   
    0.0000000 1.0000000 0.0000000
 >                   
    0.0000000 0.0000000 1.0000000
 > ATOM  -9: X=0.19720000 Y=0.97660000
 Z=0.91210000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM  -9:X=
 0.97660000 Y=0.91210000 Z=0.19720000
 >
 ATOM  -9:X= 0.69720000 Y=0.41210000 Z=0.47660000
 > ATOM  -9:X= 0.91210000 Y=0.19720000
 Z=0.97660000
 > ATOM  -9:X= 0.41210000
 Y=0.47660000 Z=0.69720000
 > ATOM  -9:X=
 0.47660000 Y=0.69720000 Z=0.41210000
 >
 O          NPT=  781  R0=0.00010000 RMT=   
 0.0900   Z:  8.0
 > LOCAL ROT
 MATRIX:    1.0000000 0.0000000 0.0000000
 >                   
    0.0000000 1.0000000 0.0000000
 >                   
    0.0000000 0.0000000 1.0000000
 > ATOM -10: X=0.69260001 Y=0.76990000
 Z=0.02120000
 >            MULT= 6 
         ISPLIT= 8
 > ATOM -10:X=
 0.76990000 Y=0.02120000 Z=0.69260001
 >
 ATOM -10:X= 0.19260001 Y=0.52120000 Z=0.26990000
 > ATOM -10:X= 0.02120000 Y=0.69260001
 Z=0.76990000
 > ATOM -10:X= 0.52120000
 Y=0.26990000 Z=0.19260001
 > ATOM -10:X=
 0.26990000 Y=0.19260001 Z=0.52120000
 >
 O          NPT=  781  R0=0.00010000 RMT=   
 0.0900   Z:  8.0
 > LOCAL ROT
 MATRIX:    1.0000000 0.0000000 0.0000000
 >                   
    0.0000000 1.0000000 0.0000000
 >                   
    0.0000000 0.0000000 1.0000000
 >     0      NUMBER OF
 SYMMETRY OPERATIONS
 >
 >
 >
 >
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 -- 
 -----------------------------------------
 Peter Blaha
 Inst. Materials
 Chemistry, TU Vienna
 Getreidemarkt 9, A-1060
 Vienna, Austria
 Tel: +43-1-5880115671
 Fax: +43-1-5880115698
 email: pblaha at theochem.tuwien.ac.at
 -----------------------------------------
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