s-net: sqc2502


 
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 18
Transitivity (vertex,edge)(3,5)
Vertex degrees {4,3,8}
Vertex coordination sequence [(4, 10, 32, 108, 276, 518, 826, 1194, 1630, 2126), (3, 14, 49, 136, 314, 572, 886, 1268, 1710, 2220), (8, 28, 86, 214, 430, 702, 1046, 1446, 1918, 2446)]
Wells’ vertex symbol [6^4.9.10, 3.6^2, 3^4.4^2.6^9.7^4.8.9^4.10^4]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0, 3, 5, -2, -1, 0, 3, 5, 0, 0, 0, 4, 4, 0, -1, 0, 4, 5, -1, -1, 0, 4, 5, 0, 0, 1, 4, 6, 0, 0, 0, 4, 6, 0, 1, 0, 5, 5, -2, -1, 0, 5, 7, -2, -1, 0, 5, 7, 0, 0, 0, 6, 8, 0, 0, 0, 7, 8, 1, 1, -1, 8, 8, -1, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4222

Parameters:

a b c alpha beta gamma
1.17369 1.17369 3.21385 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0 0.16667
0.5 0.5 0.25

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4222

Parameters:

a b c alpha beta gamma
0.89106 0.89106 1.9271 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0 0.08736
0.5 0.5 0.25

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 hqc1103 *22222 (3,5,2) {8,3,4} {3.6.6.3.3.6.6.3}{3.6.6}{6.6.6.6}

h-nets with edge collapse

No items to display.