s-net: sqc397


 
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, 24, 55, 98, 155, 224, 307, 402, 511, 632), (3, 12, 37, 78, 131, 196, 275, 366, 471, 588)]
Wells’ vertex symbol [3^2.4^6.5^6.6^5.7^2, 3.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 2, 2, -1, 0, 0, 2, 4, -1, 0, 0, 2, 4, 0, 0, 0, 3, 4, 0, 1, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmmm

Parameters:

a b c alpha beta gamma
2.67756 3.1666 1.09268 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.28571 0
0 0.14286 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmmm

Parameters:

a b c alpha beta gamma
1.03022 3.72676 1.00109 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.36545 0
0 0.13376 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 hqc1276 *222222 (2,5,4) {7,3} {4.4.6.6.6.4.4}{6.6.6}

h-nets with edge collapse