s-net: sqc987


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 5
Edges per primitive translational unit 13
Transitivity (vertex,edge)(2,4)
Vertex degrees {3,14}
Vertex coordination sequence [(3, 21, 81, 186, 330, 514, 738, 1002, 1306, 1650), (14, 58, 142, 266, 430, 634, 878, 1162, 1486, 1850)]
Wells’ vertex symbol [3.4^2, 3^8.4^32.5^24.6^15.7^12]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 0, 1, 0, 2, 5, 1, 0, 0, 3, 4, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
1.8128 1.8128 1.28185 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
0.99288 0.99288 0.98578 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.07482 0
0 0 0.5

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse