s-net: sqc260
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Barycentric geometry maximising unit cell volume
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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 | {3,4,8} |
| Vertex coordination sequence | [(3, 13, 33, 72, 126, 198, 290, 398, 522, 662), (4, 20, 54, 106, 174, 258, 358, 474, 606, 754), (8, 22, 52, 98, 162, 246, 346, 462, 594, 742)] |
| Wells’ vertex symbol | [4^3, 5^4.6.8, 4^6.5^8.6^11.8^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 2, 4, 1, 0, 0, 3, 3, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.2783 | 1.47544 | 2.55673 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.5 |
| 0.5 | 0.5 | 0 |
| 0.5 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.96833 | 0.92539 | 2.01109 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.49848 | 0.5 |
| 0.5 | 0.5 | 0 |
| 0.5 | 0.5 | 0.5 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
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hqc1123 | *22222 | (3,5,2) | {4,8,3} | {5.5.5.5}{5.4.4.5.5.4.4.5}{5.4.4} |
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hqc1132 | *222222 | (3,5,2) | {4,8,3} | {10.10.10.10}{10.4.4.10.10.4.4.1... |
h-nets with edge collapse
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