s-net: sqc801


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 6
Edges per primitive translational unit 12
Transitivity (vertex,edge)(2,6)
Vertex degrees {3,6}
Vertex coordination sequence [(3, 7, 21, 49, 86, 130, 182, 242, 310, 386), (6, 18, 38, 66, 102, 146, 198, 258, 326, 402)]
Wells’ vertex symbol [4^2.6, 4^6.6^7.8^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 4, 0, 0, 1, 3, 5, 0, 1, 0, 4, 6, 0, 1, 0, 5, 6, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.72935 2.64175 1.52484 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.4375 0.33333 0
0.3125 0 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.00021 2.99989 1.00009 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25005 0.33333 0
0.25 0 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 hqc2002 *22222 (2,6,4) {3,6} {4.4.8}{8.4.4.8.4.4}

h-nets with edge collapse