s-net: sqc3953
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 21 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {4,3,4,3} |
| Vertex coordination sequence | [(4, 5, 13, 28, 43, 73, 107, 140, 175, 225), (3, 8, 12, 18, 42, 74, 99, 130, 178, 226), (4, 10, 20, 32, 52, 80, 108, 144, 186, 226), (3, 6, 13, 28, 45, 68, 105, 142, 175, 218)] |
| Wells’ vertex symbol | [3^2.4.8^2.9, 8^2.12, 8^4.12^2, 3.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 9, 0, 0, 0, 4, 10, 0, 0, 0, 5, 9, 0, 1, 0, 5, 10, 0, 1, 0, 6, 7, -1, -1, 0, 6, 8, -1, -1, 0, 7, 8, 0, 0, 0, 7, 11, 0, 0, 0, 8, 12, 0, 0, 0, 9, 10, 0, 0, 0, 9, 11, 0, 0, 1, 10, 12, -1, -2, -1, 11, 12, -1, -1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.32314 | 3.61647 | 6.92777 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2 | 0.22222 | 0 |
| 0 | 0.11111 | 0 |
| 0.25 | 0.25 | 0.25 |
| 0.25 | 0.25 | 0.08333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.00004 | 2.0001 | 7.464 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0.25122 | 0 |
| 0 | 0.24998 | 0 |
| 0.25 | 0.25 | 0.25 |
| 0.25 | 0.25 | 0.11602 |
Edge end points:
