Belokoneva E L, Stefanovich S Y, Pisarevskii Y V, Mosunov A V
Russian Journal of Inorganic Chemistry 45 (2000) 1642-1651
Refined structures of La3Ga5SiO14 and Pb3Ga2Ge4O14 and the crystal-chemical regularities
in the structure and properties of compounds of the langasite family
_database_code_amcsd 0015403
8.176 8.176 5.108 90 90 120 P321
atom x y z occ Biso
La .41874 0 0 675
Ga1 0 0 0 .95
Ga2 1/3 2/3 .4682 .5 .56
Si2 1/3 2/3 .4682 .5 .56
Ga3 .7653 0 .5 .73
O1 1/3 2/3 .803 1.4
O2 .4652 .3116 .684 1.6
O3 .2211 .0801 .237 1.7
_database_code_amcsd 0015404
8.417 8.417 5.014 90 90 120 P321
Pb .4050 0 0 1.33
Ga1 0 0 0 .4 .55
GeGa1 0 0 0 .6 .55
Ge1 1/3 2/3 .5142 .67
Ga2 .7586 0 .5 .533 .57
Ge2 .7586 0 .5 .467 .57
O1 1/3 2/3 .172 1.9
O2 .456 .288 .342 1.7
O3 .210 .088 .771 .9
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