s-net: sqc772
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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) | (2,4) |
| Vertex degrees | {8,4} |
| Vertex coordination sequence | [(8, 32, 82, 158, 258, 382, 530, 702, 898, 1118), (4, 14, 44, 102, 186, 294, 426, 582, 762, 966)] |
| Wells’ vertex symbol | [4^16.6^11.8, 4^5.6] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, -1, 0, 2, 3, 1, 0, -1, 2, 4, -1, -1, 0, 3, 4, -1, -1, 0, 3, 4, -1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: C2/c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.45355 | 1.60594 | 1.60567 | 90.0 | 102.5904 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0 |
| 0 | 0.41667 | 0.75 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: C2/c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.67089 | 1.29803 | 1.52615 | 90.0 | 106.6083 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0 |
| 0 | 0.21898 | 0.75 |
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 |
|---|---|---|---|---|---|
 |
hqc208 | *222222 | (2,4,2) | {8,4} | {4.8.8.4.4.8.8.4}{8.8.8.8} |
