s-net: sqc251


 
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 9
Transitivity (vertex,edge)(2,5)
Vertex degrees {6,3}
Vertex coordination sequence [(6, 18, 38, 66, 102, 146, 198, 258, 326, 402), (3, 10, 29, 58, 94, 138, 190, 250, 318, 394)]
Wells’ vertex symbol [4^6.6^9, 4^2.6]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 2, -1, 0, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 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
1.26567 1.78991 2.30962 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0.2
0 0.5 0.1

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.00005 1.99994 2.0001 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0.25
0 0.5 0.24997

Edge end points:

Hyperbolic sources

h-nets with faithful topology

2 records listed.
Image h-net name Orbifold symbol Transitivity (Vert,Edge,Face) Vertex Degree 2D Vertex Symbol
Net details hqc1058 *222222 (2,5,3) {6,3} {4.8.6.6.8.4}{8.8.6}
Net details hqc990 *22222 (2,5,3) {6,3} {4.6.4.4.6.4}{6.4.4}

h-nets with edge collapse