s-net: sqc6928


 
Systre crystallographic geometry file (.cgd)

Other names

RCSR name scu-a

Links to this net in other databases

RCSR topcryst

Topological data

Vertices per primitive translational unit 16
Edges per primitive translational unit 28
Transitivity (vertex,edge)(2,5)
Vertex degrees {3,4}
Vertex coordination sequence [(3, 6, 13, 22, 29, 39, 57, 80, 105, 128), (4, 8, 13, 20, 30, 46, 66, 83, 99, 121)]
Wells’ vertex symbol [4.8^2, 4^3.8^3]
Systre key (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 7, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 8, 0, 0, 0, 4, 9, 0, 0, 0, 4, 11, 0, 0, 0, 5, 10, 1, 0, 0, 5, 12, 0, 0, 0, 6, 11, 0, 1, 0, 6, 13, 0, 0, 0, 7, 13, -1, 0, 0, 7, 14, 0, 0, 0, 8, 12, 0, 0, 1, 8, 14, 0, 0, 0, 9, 14, 0, 0, 0, 9, 15, 0, 0, 0, 10, 16, 0, 0, 0, 11, 15, 1, 0, 0, 12, 16, 1, 0, 0, 13, 15, 1, 1, 0, 14, 16, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
4.46008 4.46008 3.15375 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.375 0.125
0 0.125 0.375

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
4.08808 4.08808 3.09462 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.37769 0.16157
0 0.17297 0.33843

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 hqc348 *2224 (2,4,3) {4,3} {4.8.8.4}{8.4.8}

h-nets with edge collapse