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| Systre crystallographic geometry file (.cgd) |
| topcryst |
| Vertices per primitive translational unit | 2 |
| Edges per primitive translational unit | 14 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {20,8} |
| Vertex coordination sequence | [(20, 80, 184, 332, 524, 760, 1040, 1364, 1732, 2144), (8, 62, 158, 298, 482, 710, 982, 1298, 1658, 2062)] |
| Wells’ vertex symbol | [3^54.4^108.5^28, 3^18.4^10] |
| Systre key | (3, 1, 1, -1, 0, -1, 1, 1, -1, 0, 0, 1, 1, -1, 1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 1, 1, 1, 0, 0, -1, 1, 2, -1, -1, -1, 1, 2, -1, -1, 0, 1, 2, -1, 0, -1, 1, 2, -1, 0, 0, 1, 2, 0, -1, -1, 1, 2, 0, -1, 0, 1, 2, 0, 0, -1, 1, 2, 0, 0, 0) |
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.5537 | 1.5537 | 1.43836 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.6957 | 1.6957 | 1.14276 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
Edge end points: