s-net: sqc2261


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 9
Edges per primitive translational unit 17
Transitivity (vertex,edge)(7,8)
Vertex degrees {3,4,4,4,4,4,4}
Vertex coordination sequence [(3, 6, 15, 32, 61, 100, 150, 207, 286, 364), (4, 12, 32, 50, 112, 122, 232, 226, 392, 362), (4, 10, 24, 44, 80, 142, 162, 294, 282, 474), (4, 12, 36, 46, 112, 122, 228, 230, 384, 370), (4, 12, 36, 70, 96, 166, 188, 302, 312, 478), (4, 12, 24, 48, 76, 142, 160, 288, 288, 464), (4, 6, 18, 34, 72, 100, 160, 212, 295, 371)]
Wells’ vertex symbol [3.7^2, 7^4.8.10, 7^4.8.12, 7^4.8.10, 7^5.8, 7^4.8.12, 3^2.4.7^3]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 2, 4, 0, 0, 0, 2, 4, 0, 0, 1, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 4, 7, 0, 0, 0, 4, 7, 1, 0, 0, 5, 6, 0, -1, 0, 5, 8, 0, 0, 0, 5, 9, 0, 0, 0, 6, 8, 0, 1, 0, 6, 9, 0, 1, 0, 7, 8, 0, 0, 0, 7, 9, 0, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.50831 2.74819 2.64382 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.33333 0.5
0.5 0 0.5
0 0 0.5
0.5 0.5 0
0.5 0.5 0.5
0 0.5 0
0 0.5 0.4

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.22305 2.60885 2.57669 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.20985 0.5
0.5 0 0.5
0 0 0.5
0.5 0.5 0
0.5 0.5 0.5
0 0.5 0
0 0.5 0.29422

Edge end points:

Hyperbolic sources

h-nets with faithful topology

1 record listed.
Image h-net name Orbifold symbol Transitivity (Vert,Edge,Face) Vertex Degree 2D Vertex Symbol
Net details hqc2443 *222222 (7,8,2) {4,3,4,4,4,4,4} {3.7.7.3}{3.7.7}{7.7.7.7}{7.7.7....

h-nets with edge collapse

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