s-net: sqc1640
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {14,6,6} |
| Vertex coordination sequence | [(14, 50, 126, 202, 358, 458, 710, 818, 1182, 1282), (6, 36, 102, 212, 306, 504, 614, 916, 1026, 1448), (6, 22, 70, 166, 258, 430, 546, 814, 938, 1318)] |
| Wells’ vertex symbol | [3^16.4^28.5^32.6^15, 3^6.4^6.5^3, 3^8.4^7] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, 0, -1, 1, 2, -1, 0, 0, 1, 2, -1, 1, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, -1, 1, 3, 0, 0, 0, 1, 3, 0, 1, -1, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 2, 4, 0, 0, 0, 2, 4, 1, 0, 0, 3, 4, 0, 0, 0, 3, 4, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.50138 | 1.50138 | 1.50138 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.5 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.25773 | 1.25773 | 1.88957 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.5 |
| 0 | 0 | 0.5 |
Edge end points:
