s-net: sqc8878


  
Barycentric geometry maximising unit cell volume
 Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 16
Edges per primitive translational unit 36
Transitivity (vertex,edge)(2,8)
Vertex degrees {3,6}
Vertex coordination sequence [(3, 7, 21, 50, 91, 142, 203, 275, 358, 451), (6, 19, 43, 78, 123, 179, 246, 323, 411, 510)]
Wells’ vertex symbol [4^2.6, 4^8.6^6.8]
Systre key (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 2, 9, 0, 0, 0, 2, 9, 1, 0, 0, 2, 10, 0, 0, 0, 3, 8, 0, 1, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 1, 3, 11, 0, 0, 0, 4, 8, 0, 1, 0, 4, 8, 1, 1, 0, 4, 9, 1, 1, 0, 4, 10, 0, 0, 0, 4, 12, 0, 0, 0, 5, 8, 1, 1, 1, 5, 9, 1, 0, 1, 5, 10, 0, 0, 1, 5, 10, 1, 0, 1, 5, 13, 0, 0, 0, 6, 7, 1, 1, 1, 6, 11, 0, 0, 0, 7, 14, 0, 0, 0, 8, 15, 0, 0, 0, 9, 14, 0, 0, 0, 10, 16, 0, 0, 0, 11, 14, 1, 1, 1, 12, 15, 1, 1, 0, 12, 16, 1, 1, 1, 13, 15, 0, 0, 0, 13, 16, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
2.39969 3.40383 5.14837 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.075 0.14286 0.625
0.275 0.07143 0.125

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
2.00019 3.426 3.40363 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.24993 0.60408 0.191
0.25 0.10404 0.10308

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 hqc2448 *222222 (2,8,7) {6,3} {4.8.4.4.4.4}{4.4.8}

h-nets with edge collapse

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