s-net: sqc2215


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 6
Edges per primitive translational unit 17
Transitivity (vertex,edge)(2,5)
Vertex degrees {3,11}
Vertex coordination sequence [(3, 18, 67, 148, 258, 398, 568, 768, 998, 1258), (11, 46, 111, 206, 331, 486, 671, 886, 1131, 1406)]
Wells’ vertex symbol [3.4^2, 3^4.4^21.5^16.6^12.7^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, -1, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, -1, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0, 2, 5, -1, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, -1, 0, 2, 6, 0, 0, 0, 3, 6, 0, -1, 1, 4, 5, -1, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Fmmm

Parameters:

a b c alpha beta gamma
1.85962 6.07227 2.14781 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0.21875 0.25
0 0.1875 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Fmmm

Parameters:

a b c alpha beta gamma
1.35895 3.48075 1.47945 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0.10731 0.25
0 0.1447 0

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse