s-net: sqc3904


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 7
Edges per primitive translational unit 21
Transitivity (vertex,edge)(2,3)
Vertex degrees {18,4}
Vertex coordination sequence [(18, 78, 194, 366, 594, 878, 1218, 1614, 2066, 2574), (4, 31, 116, 262, 462, 718, 1030, 1398, 1822, 2302)]
Wells’ vertex symbol [4^60.6^81.8^12, 4^6]
Systre key (3, 1, 1, -1, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, 0, -1, 1, 2, -1, -1, 0, 1, 2, 0, 0, 0, 1, 3, 0, -1, 0, 1, 3, 0, 0, 0, 1, 4, -1, 0, 0, 1, 4, 0, 0, 0, 1, 5, -1, -1, 0, 1, 5, 0, 0, 0, 1, 6, 0, -1, 0, 1, 6, 0, 0, 0, 1, 7, -1, 0, 0, 1, 7, 0, 0, 0, 2, 6, 1, 1, 1, 2, 7, 0, 1, 1, 3, 5, 0, 1, 1, 3, 7, 0, 1, 1, 4, 5, 0, 0, 1, 4, 6, 1, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
1.90353 1.90353 3.76006 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.11111 0.22222 0.44444

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
1.42611 1.42611 2.14537 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.22463 0.11232 0.28559

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 hqc447 *2626 (2,3,3) {4,18} {6.4.4.4}{4.4.4.4.4.4.4.4.4.4.4....

h-nets with edge collapse

No items to display.