s-net: sqc3874
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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 | 20 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {4,3,3,3} |
| Vertex coordination sequence | [(4, 8, 14, 26, 42, 60, 80, 102, 128, 162), (3, 7, 13, 23, 41, 60, 75, 99, 131, 159), (3, 8, 17, 24, 35, 58, 81, 104, 131, 158), (3, 6, 14, 24, 35, 56, 85, 108, 125, 154)] |
| Wells’ vertex symbol | [4.6^3.8^2, 4.8^2, 6.8^2, 8^2.10] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 1, 0, 0, 3, 9, 0, 0, 0, 4, 9, 0, 1, 0, 4, 10, 0, 0, 0, 5, 9, 0, 1, 0, 5, 10, 0, 0, 1, 6, 11, 0, 0, 0, 7, 11, 0, 1, 0, 7, 12, 0, 0, 0, 8, 11, 0, 1, 0, 8, 12, 0, 0, 1, 9, 11, 0, 0, 0, 10, 12, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.33246 | 3.21574 | 3.21424 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.34483 | 0 | 0.16667 |
| 0.27586 | 0.16667 | 0 |
| 0.17241 | 0 | 0.5 |
| 0.13793 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.10884 | 3.23291 | 3.07512 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33916 | 0 | 0.22935 |
| 0.26451 | 0.20719 | 0 |
| 0.16083 | 0 | 0.5 |
| 0.16083 | 0.5 | 0 |
Edge end points:
