s-net: sqc6438


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 12
Edges per primitive translational unit 28
Transitivity (vertex,edge)(2,7)
Vertex degrees {4,6}
Vertex coordination sequence [(4, 9, 21, 51, 92, 146, 204, 276, 355, 446), (6, 19, 42, 75, 117, 169, 232, 303, 382, 472)]
Wells’ vertex symbol [3.4^3.5^2, 3.4^5.5^2.6^5.8^2]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 0, 0, 0, 3, 6, 0, 1, 0, 3, 6, 1, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 5, 0, 0, 0, 4, 8, 0, 0, 0, 4, 11, 0, 0, 0, 5, 7, 1, 0, 0, 5, 12, 0, 0, 0, 6, 11, 0, 0, 1, 6, 12, 0, 0, 1, 7, 8, 0, 0, 0, 7, 9, -1, 0, -1, 8, 10, -1, 0, -1, 9, 10, 0, 0, 0, 9, 12, 0, 0, 1, 10, 11, 1, 0, 1, 11, 12, 0, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Fmmm

Parameters:

a b c alpha beta gamma
5.46753 2.62256 7.41768 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.23684 0.1 0.2
0.18421 0 0.1

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Fmmm

Parameters:

a b c alpha beta gamma
3.45174 1.3663 6.16653 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.11399 0.13311 0.27948
0.14465 0 0.0811

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse