s-net: sqc8398


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 18
Edges per primitive translational unit 36
Transitivity (vertex,edge)(2,4)
Vertex degrees {12,3}
Vertex coordination sequence [(12, 48, 112, 204, 328, 476, 656, 868, 1092, 1360), (3, 13, 56, 141, 256, 400, 572, 772, 1004, 1258)]
Wells’ vertex symbol [4^12.6^26.7^4.8^24, 4^2.6]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 1, 9, 0, 0, 0, 2, 4, 1, 0, 0, 2, 10, 0, 0, 0, 3, 5, 1, 0, 0, 3, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 13, 0, 0, 0, 6, 7, 0, 1, 0, 6, 14, 0, 0, 0, 7, 15, 0, 0, 0, 8, 9, 0, 1, 0, 8, 16, 0, 0, 0, 9, 17, 0, 0, 0, 10, 12, 1, 0, 0, 10, 18, 0, 0, 0, 11, 13, 1, 0, 0, 11, 18, 0, -1, 0, 12, 18, 0, 0, 0, 13, 18, 0, -1, 0, 14, 15, 0, 1, 0, 14, 18, 0, 0, 1, 15, 18, 0, 0, 1, 16, 17, 0, 1, 0, 16, 18, -1, 0, 1, 17, 18, -1, 0, 1, 18, 18, -1, 0, 0, 18, 18, 0, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I41/amd

Parameters:

a b c alpha beta gamma
1.92441 1.92441 9.0263 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.25 0.375
0.16667 0.08333 0.04167

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I41/amd

Parameters:

a b c alpha beta gamma
0.99301 0.99301 6.18999 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.25 0.375
0.25884 0.1459 0.21195

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse