s-net: sqc281
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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 | 9 |
| Transitivity (vertex,edge) | (3,5) |
| Vertex degrees | {4,8,3} |
| Vertex coordination sequence | [(4, 20, 58, 114, 186, 274, 378, 498, 634, 786), (8, 20, 42, 98, 170, 258, 362, 482, 618, 770), (3, 13, 32, 64, 140, 230, 334, 454, 590, 742)] |
| Wells’ vertex symbol | [5.6^4.8, 3^4.4^2.5^4.6^7.7^8.8^3, 3.5^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 2, 0, 0, -1, 2, 3, 0, 0, -1, 2, 3, 0, 0, 0, 2, 4, 0, 0, -1, 2, 4, 0, 0, 0, 3, 4, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.28841 | 1.82176 | 1.82245 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.12749 | 1.0307 | 2.30448 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0.18193 |
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 |
|---|---|---|---|---|---|
 |
hqc1119 | *222222 | (3,5,2) | {3,8,4} | {12.3.12}{12.12.3.3.12.12.3.3}{1... |