s-net: sqc1818
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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 | 16 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {16,8,4,4} |
| Vertex coordination sequence | [(16, 76, 188, 348, 556, 812, 1116, 1468, 1868, 2316), (8, 42, 146, 298, 498, 746, 1042, 1386, 1778, 2218), (4, 42, 142, 294, 494, 742, 1038, 1382, 1774, 2214), (4, 22, 80, 232, 424, 664, 952, 1288, 1672, 2104)] |
| Wells’ vertex symbol | [3^16.4^58.5^36.6^10, 3^4.4^14.5^4.6^6, 3^4.4^2, 4^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 2, 2, -1, 0, 0, 2, 2, -1, 0, 1, 2, 2, 0, -1, 0, 2, 2, 0, -1, 1, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 2, 3, 0, 1, 0, 2, 3, 1, 0, 0, 3, 4, 0, 0, 0, 3, 4, 0, 0, 1, 3, 4, 0, 1, 0, 3, 4, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.49642 | 1.49642 | 1.78809 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
| 0.5 | 0 | 0.25 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.72699 | 1.72699 | 0.9579 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
| 0.5 | 0 | 0.25 |
| 0 | 0 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc860 | *4444 | (4,4,2) | {16,4,8,4} | {5.5.3.3.5.5.3.3.5.5.3.3.5.5.3.3... |