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[Michael Baitinger <baitinge@cpfs.mpg.de>]

H.G. von Schnering, R. Nesper, /Acta Chemica Scandinavica/ 1991, *54*, 
870-872

Space group CMCA, No.64

a: 4.519(2)A
b: 7.658(3)A
c: 4.526(2)A


Ga1     position 8f     x = 0    y = 0.1549(6)    z = 0.0806(8)


xred
0.0000  0.1549  0.0806
0.5000  0.6549  0.0806
0.0000  0.3451  0.5806
0.5000  0.8451  0.5806
0.0000  0.8451  0.9194
0.5000  0.3451  0.9194
0.0000  0.6549  0.4194
0.5000  0.1549  0.4194

(Please check)



Michael





jmlv@imr.ac.cn wrote:
> Dear all,
>    I got a problem when I built an unit cell of pure Gallium (Ga). I know all 
> the structural parameters of pure Ga,
>      Space group: Cmca (Space group number: 64) 
>      Structure: orthorhombic 
>      Cell parameters: 
>         a: 451.97 pm 
>         b: 766.33 pm 
>         c: 452.6 pm 
>         á: 90.000° 
>         â: 90.000° 
>         ã: 90.000°
> but I don't know the number of atoms in the unit cell and coordinates of 
> these atoms.
>    Can anyone help me? Thanks in advance.
>
> Jianmin
>
>