s-net: sqc782
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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) | (2,6) |
| Vertex degrees | {7,5} |
| Vertex coordination sequence | [(7, 27, 74, 159, 279, 431, 615, 831, 1079, 1359), (5, 19, 60, 147, 267, 419, 603, 819, 1067, 1347)] |
| Wells’ vertex symbol | [4^11.5^2.6^8, 4^5.5^2.6^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 0, 2, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 0, 1, 2, 4, 0, 0, 1, 3, 4, 0, -2, -1, 3, 4, 0, -1, 0, 3, 4, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.54814 | 1.31988 | 1.32044 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.5 | 0 | 0.375 |
| 0.5 | 0.375 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.08649 | 1.21094 | 1.13338 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.5 | 0 | 0.29161 |
| 0.5 | 0.28136 | 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 |
|---|---|---|---|---|---|
 |
hqc1958 | *222222 | (2,6,5) | {7,5} | {4.4.4.4.4.4.4}{4.4.4.4.4} |