s-net: sqc3901


 
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 21
Transitivity (vertex,edge)(3,4)
Vertex degrees {18,3,6}
Vertex coordination sequence [(18, 86, 248, 538, 962, 1514, 2194, 3002, 3938, 5002), (3, 34, 135, 375, 747, 1245, 1871, 2625, 3507, 4517), (6, 8, 108, 358, 728, 1226, 1852, 2606, 3488, 4498)]
Wells’ vertex symbol [3^12.4^24.5^48.6^45.7^12.8^12, 3.4.5, 4^6.8^9]
Systre key (3, 1, 1, -2, 1, -1, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -2, 1, -1, 1, 2, 0, 0, 0, 1, 3, -2, 1, -1, 1, 3, 0, 0, 0, 1, 4, 0, -1, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, -1, 1, 5, 0, 0, 0, 1, 6, 0, 0, -1, 1, 6, 0, 0, 0, 1, 7, 0, -1, 0, 1, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 8, -1, 0, 0, 4, 8, -1, 1, 0, 5, 8, -1, 0, 0, 6, 8, -2, 1, 0, 7, 8, -2, 1, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
2.67547 2.67547 1.7344 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.11111 0.22222 0.38889
0 0 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
1.93489 1.93489 1.15912 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.16727 0.08363 0.25552
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
Net details hqc501 *2626 (3,3,2) {18,3,6} {3.8.3.3.8.3.3.8.3.3.8.3.3.8.3.3...

h-nets with edge collapse

No items to display.