s-net: sqc771
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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 | 12 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {8,8,4,4} |
| Vertex coordination sequence | [(8, 32, 68, 124, 192, 280, 380, 500, 632, 784), (8, 24, 70, 122, 194, 278, 382, 498, 634, 782), (4, 18, 44, 92, 152, 232, 324, 436, 560, 704), (4, 20, 58, 118, 186, 274, 374, 494, 626, 778)] |
| Wells’ vertex symbol | [3^4.4^4.5^4.6^15.8, 3^4.4^8.5^8.6^8, 4.6^4.8, 3^4.4^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 3, 0, 0, -1, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0, 4, 4, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.68755 | 1.46146 | 1.462 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0 | 0.5 |
| 0.5 | 0 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.50519 | 1.05552 | 1.82571 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0 | 0.5 |
| 0.5 | 0 | 0 |
| 0 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc2038 | *222222 | (4,6,2) | {4,8,8,4} | {6.6.6.6}{6.3.3.6.6.3.3.6}{6.6.3... |