s-net: sqc3139
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {12,4} |
| Vertex coordination sequence | [(12, 50, 108, 194, 300, 434, 588, 770, 972, 1202), (4, 23, 79, 163, 274, 404, 562, 740, 946, 1172)] |
| Wells’ vertex symbol | [3^12.4^24.5^14.6^14.8^2, 4^5.5] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, -2, 0, 0, 1, 2, -2, 1, 0, 1, 2, -1, 0, 0, 1, 2, -1, 1, 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, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 0, 1, 2, 4, 2, -1, -1, 2, 5, 0, 0, 1, 2, 6, 2, -1, -1, 3, 6, 1, -1, -1, 3, 6, 2, -1, -1, 4, 5, -2, 0, 1, 4, 5, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.97009 | 3.77099 | 0.98457 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.16667 | 0.25 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.54162 | 2.30278 | 0.82051 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.45361 | 0.25 | 0.2349 |
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 |
|---|---|---|---|---|---|
 |
hqc1421 | *222222 | (2,6,3) | {12,4} | {4.4.4.4.4.4.4.4.4.4.4.4}{4.4.4.4} |