s-net: sqc1670


 
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 16
Transitivity (vertex,edge)(2,5)
Vertex degrees {10,3}
Vertex coordination sequence [(10, 38, 90, 166, 266, 390, 538, 710, 906, 1126), (3, 16, 56, 122, 210, 322, 458, 618, 802, 1010)]
Wells’ vertex symbol [4^24.6^19.8^2, 4^3]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 1, -1, 0, 2, 4, -1, -1, 0, 2, 5, 1, 0, -1, 2, 6, -1, 0, -1, 3, 6, -1, 0, -1, 4, 5, 1, 1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
2.35768 2.72182 1.17869 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.25 0.125 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
1.90647 1.7469 0.95336 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.25 0.00741 0.5

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse