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- CRYSTAL: SIO2.CRY
- Symmetry group 152 5 P D3 \4 P3121
- 1 E
- 1 0 0 0/0
- 0 1 0 0/0
- 0 0 1 0/0
- 2 C3
- 0 -1 0 0/0
- 1 -1 0 0/0
- 0 0 1 1/3
- 3 -C3
- -1 1 0 0/0
- -1 0 0 0/0
- 0 0 1 2/3
- 4 C2+
- 0 1 0 0/0
- 1 0 0 0/0
- 0 0 -1 0/0
- 5 C2b
- -1 0 0 0/0
- -1 1 0 0/0
- 0 0 -1 1/3
- 6 C2a
- 1 -1 0 0/0
- 0 -1 0 0/0
- 0 0 -1 2/3
- end
- Cell
- trigonal P
- a , b , c : 4.910000 4.910000 5.406200
- bc, ac ,ab : 90.0000 90.0000 120.0000
- Atom Position in Cell
- Si .469900 .000000 .333300 3
- O .413000 .266800 .214000 6
- end
-
- ***************************************************************************
- Symmetry transformations
- 1 E
- 1.000000 .000000 .000000
- .000000 1.000000 .000000
- .000000 .000000 1.000000
- 2 C3
- -.500000 -.866025 .000000
- .866025 -.500000 .000000
- .000000 .000000 1.000000
- 3 -C3
- -.500000 .866026 .000000
- -.866025 -.500000 .000000
- .000000 .000000 1.000000
- 4 C2+
- -.500000 .866025 .000000
- .866025 .500000 .000000
- .000000 .000000-1.000000
- 5 C2b
- -.500000 -.866026 .000000
- -.866025 .500000 .000000
- .000000 .000000-1.000000
- 6 C2a
- 1.000000 .000000 .000000
- .000000-1.000000 .000000
- .000000 .000000-1.000000
-
- Direct Lattice Vectors Reciprocal Lattice Vectors
- 4.910000 .000000 .000000 .203666 .117587 .000000
- -2.455000 4.252184 .000000 .000000 .235173 .000000
- .000000 .000000 5.406200 .000000 .000000 .184973
- Cell Volume = 112.8719
-
- Atom Fractional Coordinates E C3 -C3 C2+ C2b C2a
- 1 Si .469900 .000000 .333300 1 2 3 2 3 1
- 2 Si .000000 .469900 .666633 2 3 1 1 2 3
- 3 Si .530100 .530100 .000000 3 1 2 3 1 2
- 4 O .413000 .266800 .214000 4 5 6 7 8 9
- 5 O .733200 .146200 .547333 5 6 4 9 7 8
- 6 O .853800 .587000 .880667 6 4 5 8 9 7
- 7 O .266800 .413000 .786000 7 8 9 4 5 6
- 8 O .587000 .853800 .119333 8 9 7 6 4 5
- 9 O .146200 .733200 .452667 9 7 8 5 6 4
-
- Atom Cartesian Coordinates
- 1 Si 2.307209 .000000 1.801886
- 2 Si -1.153605 1.998101 3.603953
- 3 Si 1.301395 2.254083 .000000
- 4 O 1.372836 1.134483 1.156927
- 5 O 3.241091 .621669 2.958994
- 6 O 2.751072 2.496032 4.761060
- 7 O .296073 1.756152 4.249273
- 8 O .786091 3.630515 .645140
- 9 O -1.082164 3.117702 2.447207
-
- Interatomic distances up to 5.0000
- Si O
- 1.6050 4
- 1.6052 2
- 1.6114 2
- 1.6115 2
- 1.6117 2
- 3.5235 2
- 3.5236 2
- 3.5238 2
- 3.5282 6
- 3.6217 2
- 3.6218 2
- 3.6219 2
- 3.8964 2
- 3.8965 2
- 3.8967 2
- 3.9854 2
- 3.9855 2
- 3.9857 2
- 4.1027 4
- 4.1028 2
- 4.1804 2
- 4.1805 2
- 4.1806 2
- 4.1843 6
- 4.1874 6
- 4.3947 2
- 4.3949 2
- 4.3950 2
- 4.4991 2
- 4.4992 2
- 4.4994 2
- 4.6501 6
- 4.9826 2
- 4.9827 2
- 4.9829 2
- O O
- 2.6102 3
- 2.6146 6
- 2.6267 3
- 2.6459 6
- 3.3329 3
- 3.4095 6
- 3.5494 3
- 3.5725 6
- 4.0918 6
- 4.1922 6
- 4.5204 6
- 4.6999 3
- 4.7439 6
- 4.9100 18
- 4.9641 6
- Si Si
- 3.0560 2
- 3.0561 2
- 3.0562 2
- 4.3682 2
- 4.3683 2
- 4.3685 2
- 4.3837 2
- 4.3838 1
- 4.8549 2
- 4.8551 1
- 4.9100 9
- end
-
- Bond Atoms Ta Tb Tc
-
- Si O 1.6051
- 1 1 4 0 0 0 1 2 3 0 4 0
- 2 2 5 -1 0 0 2 3 1 0 0 4
- 3 3 6 0 0 -1 3 1 2 4 0 0
- 4 3 8 0 0 0 4 0 0 3 1 2
-
- Si O 1.6052
- 5 2 7 0 0 0 5 0 6 0 0 0
- 6 1 9 0 -1 0 6 5 0 0 0 0
-
- Si O 1.6114
- 7 1 8 0 -1 0 7 8 0 0 0 0
- 8 2 9 0 0 0 8 0 7 0 0 0
-
- Si O 1.6115
- 9 3 7 0 0 -1 9 0 0 10 0 0
- 10 3 4 0 0 0 10 0 0 9 0 0
-
- Si O 1.6117
- 11 1 5 0 0 0 11 12 0 0 0 0
- 12 2 6 -1 0 0 12 0 11 0 0 0
- end
-