s-net: sqc2988
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (3,5) |
| Vertex degrees | {3,4,8} |
| Vertex coordination sequence | [(3, 13, 36, 79, 159, 264, 380, 526, 684, 872), (4, 20, 58, 118, 206, 314, 446, 594, 766, 962), (8, 20, 50, 114, 198, 302, 430, 574, 746, 938)] |
| Wells’ vertex symbol | [3.6^2, 6^5.8, 3^4.4^2.6^9.7^4.8^5.9^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 2, 2, 0, -1, 0, 2, 5, 0, 0, 1, 3, 5, 0, 0, 0, 3, 7, -1, 1, 1, 4, 5, 1, 0, 0, 4, 6, 0, -1, 1, 5, 6, 0, 0, 0, 5, 7, -1, 0, 0, 5, 8, -1, 0, 1, 8, 8, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.50417 | 3.53999 | 1.44529 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.625 | 0.25 |
| 0.25 | 0 | 0 |
| 0.25 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00189 | 4.001 | 1.00095 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.03381 | 0.98065 |
| 0.25 | 0 | 0 |
| 0.25 | 0.25 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc1112 | *22222 | (3,5,2) | {3,8,4} | {6.3.6}{6.6.3.3.6.6.3.3}{6.6.6.6} |