s-net: sqc4357
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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 | 22 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {4,7} |
| Vertex coordination sequence | [(4, 12, 36, 75, 118, 180, 266, 346, 416, 518), (7, 22, 47, 86, 138, 194, 263, 353, 446, 544)] |
| Wells’ vertex symbol | [3^2.4^3.5, 3.4^10.5^2.6^6.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 1, 0, 2, 6, -1, 1, 0, 2, 6, 0, 1, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 1, 3, 5, 0, 0, 1, 3, 6, -1, 1, 0, 3, 6, 0, 1, 0, 4, 5, 0, 0, 0, 4, 8, 0, 0, 0, 5, 7, 1, 0, 0, 6, 7, 1, -1, 1, 6, 8, 1, -1, 1, 7, 8, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.67959 | 1.87666 | 2.3968 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.66667 | 0.07143 |
| 0.3125 | 0.25 | 0.14286 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.47855 | 1.6568 | 1.39027 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.05165 | 0.35421 |
| 0.31248 | 0.25 | 0.20172 |
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 |
|---|---|---|---|---|---|
 |
hqc1667 | *22222 | (2,6,4) | {7,4} | {4.4.4.3.4.4.4}{4.4.3.3} |