s-net: sqc1894
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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 | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {3,4,6} |
| Vertex coordination sequence | [(3, 12, 28, 59, 90, 135, 188, 250, 321, 408), (4, 16, 36, 64, 96, 144, 202, 268, 316, 408), (6, 14, 36, 56, 98, 140, 198, 250, 334, 386)] |
| Wells’ vertex symbol | [5.6^2, 5^4.7.8, 5^4.6^5.7^4.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 5, -1, 0, 0, 4, 5, 0, -1, 0, 4, 8, 0, 0, 0, 5, 8, 1, 1, 0, 6, 8, 0, 0, 1, 6, 8, 1, 0, 1, 7, 8, 0, 0, 1, 7, 8, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.31969 | 2.67739 | 3.27934 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.375 |
| 0 | 0 | 0 |
| 0 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00012 | 2.8232 | 3.4204 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.35382 |
| 0 | 0 | 0 |
| 0 | 0.25 | 0.20712 |
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 |
|---|---|---|---|---|---|
 |
hqc803 | *22222 | (3,4,2) | {3,6,4} | {6.5.6}{6.5.5.6.5.5}{5.5.5.5} |