s-net: sqc4781


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 10
Edges per primitive translational unit 24
Transitivity (vertex,edge)(2,4)
Vertex degrees {4,8}
Vertex coordination sequence [(4, 12, 36, 82, 146, 226, 322, 434, 562, 704), (8, 28, 64, 116, 184, 268, 368, 484, 612, 760)]
Wells’ vertex symbol [4^4.6^2, 4^12.6^12.8^4]
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, 2, 2, 0, -1, 0, 2, 6, 0, 0, 0, 3, 3, 0, -1, 0, 3, 7, 0, 0, 0, 4, 4, -1, 0, 0, 4, 8, 0, 0, 0, 5, 5, -1, 0, 0, 5, 9, 0, 0, 0, 6, 6, 0, -1, 0, 6, 10, 0, 0, 0, 7, 7, 0, -1, 0, 7, 10, -1, 0, 0, 8, 8, -1, 0, 0, 8, 10, 0, 0, 1, 9, 9, -1, 0, 0, 9, 10, 0, -1, 1, 10, 10, -1, 0, 0, 10, 10, 0, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I41/amd

Parameters:

a b c alpha beta gamma
1.1522 1.1522 9.90917 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.58333 0.04167
0 0.75 0.125

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I41/amd

Parameters:

a b c alpha beta gamma
1.00008 1.00008 10.67988 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.21657 0.04218
0 0.75 0.125

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse