s-net: sqc1706


  
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 8
Edges per primitive translational unit 16
Transitivity (vertex,edge)(6,8)
Vertex degrees {4,4,4,4,4,4}
Vertex coordination sequence [(4, 10, 16, 28, 46, 84, 130, 192, 262, 350), (4, 8, 16, 32, 48, 94, 144, 202, 272, 360), (4, 8, 16, 24, 40, 68, 124, 182, 252, 334), (4, 10, 20, 32, 64, 100, 152, 212, 285, 368), (4, 12, 32, 56, 92, 138, 196, 256, 328, 418), (4, 12, 26, 50, 82, 134, 182, 250, 322, 402)]
Wells’ vertex symbol [4^2.5^2.6.7, 4^4.6^2, 4^4.6^2, 4^2.5^2.6.7, 6^4.8.10, 5.6.7^4]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 3, 5, 0, 0, 0, 3, 6, -1, 0, 0, 3, 6, 0, 0, 0, 4, 5, 0, 0, 1, 4, 7, -1, 0, 0, 4, 7, 0, 0, 0, 5, 8, -1, 0, 0, 5, 8, 0, 0, 0, 6, 7, 0, 0, 0, 6, 8, 0, 0, 0, 7, 8, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
3.45528 1.54504 3.16962 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.5 0 0.3125
0.5 0.5 0
0.5 0 0
0.5 0.5 0.28125
0 0.5 0.5
0.5 0.5 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.20902 1.43909 3.68306 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.5 0 0.34707
0.5 0.5 0
0.5 0 0
0.5 0.5 0.2064
0 0.5 0.5
0.5 0.5 0.5

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 hqc2429 *222222 (6,8,2) {4,4,4,4,4,4} {8.8.8.8}{8.8.8.8}{8.4.4.8}{8.8....

h-nets with edge collapse

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