s-net: sqc3180
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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 | 20 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {3,7} |
| Vertex coordination sequence | [(3, 13, 59, 148, 296, 527, 842, 1259, 1774, 2385), (7, 29, 88, 194, 380, 652, 1026, 1496, 2062, 2724)] |
| Wells’ vertex symbol | [4.5.7, 4^5.5^2.6^8.7^5.8] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, -1, 0, 2, 4, 0, 0, 1, 2, 5, 0, 0, 1, 2, 6, 0, 0, 0, 3, 3, 0, 0, -1, 3, 6, 0, 0, 0, 3, 6, 0, 1, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 8, -1, -1, 0, 5, 7, 0, -1, -1, 6, 6, 0, -1, -1, 6, 7, -1, -1, 0, 6, 8, -1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I212121
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.4973 | 1.98971 | 2.3303 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.41667 | 0.375 |
| 0.4375 | 0.33333 | 0.33333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I212121
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.38317 | 1.40174 | 1.36204 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2083 | 0.03683 | 0.1203 |
| 0.08032 | 0.41956 | 0.53598 |
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 |
|---|---|---|---|---|---|
 |
hqc1311 | *222222 | (2,5,4) | {7,3} | {4.4.8.4.8.4.4}{8.8.4} |