s-net: sqc1897
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {4,3,4,4} |
| Vertex coordination sequence | [(4, 10, 24, 44, 76, 138, 170, 274, 302, 446), (3, 6, 15, 30, 61, 94, 148, 207, 286, 360), (4, 12, 36, 66, 100, 158, 196, 290, 324, 462), (4, 12, 32, 50, 104, 130, 216, 242, 368, 386)] |
| Wells’ vertex symbol | [7^4.8.12, 4.7^2, 7^4.8^2, 7^4.8.10] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 2, 4, 0, 0, 0, 2, 4, 0, 0, 1, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 4, 7, 0, 0, 0, 4, 7, 1, 0, 0, 5, 8, 0, 0, 0, 5, 9, 0, 0, 0, 6, 8, 0, 1, 0, 6, 9, 0, 1, 0, 7, 8, 0, 0, 0, 7, 9, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.62175 | 2.62175 | 2.3945 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0 | 0.16667 | 0 |
| 0 | 0 | 0.5 |
| 0 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.61915 | 2.61915 | 2.2376 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0 | 0.24155 | 0 |
| 0 | 0 | 0.5 |
| 0 | 0.5 | 0.5 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
1 record listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc746 | *2244 | (4,4,2) | {3,4,4,4} | {4.7.7}{7.7.7.7}{7.7.7.7}{7.7.7.7} |