s-net: sqc367


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 4
Edges per primitive translational unit 10
Transitivity (vertex,edge)(2,5)
Vertex degrees {7,3}
Vertex coordination sequence [(7, 22, 47, 82, 127, 182, 247, 322, 407, 502), (3, 12, 37, 74, 119, 174, 239, 314, 399, 494)]
Wells’ vertex symbol [3^2.4^8.5^6.6^3.7^2, 3.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, 0, 0, 0, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0, 2, 4, -1, 0, 0, 2, 4, 0, 0, 0, 3, 4, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.07782 3.23354 1.32004 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.33333 0
0.5 0.16667 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.00004 3.73189 1.00007 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.36602 0
0.5 0.13398 0

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 hqc1270 *22222 (2,5,4) {7,3} {4.4.3.6.3.4.4}{3.6.6}

h-nets with edge collapse