Demo

You entered the OD groupoid family symbol: op c11(1) { c_2 - (-)} [0,-]

The OD groupoid family parsed fine.

General OD Family Symbol

opc11 (1)  
 c2--
 n1,2
  [0]    

Reduced general OD Family Symbol

opc11 (1)  
 c2--
 n1,2
  [0]    

This OD subfamily is fully ordered and equivalent to

Pb'=-a/2+b/2,c'=2cc11

General Data

OD family of layers

Kinds of layers:N=1
Category:II (single)
Pointgroup:m11 (Cs)
Crystal system:monoclinic
Layer system:rectangular
Common lattice:same
Common lattice size (rel. to global):1
Layer planes:(001)
c0(r,s/2,1)
Global lattice restriction:ab=0
User supplied lattice restriction:ab=0
Lattice restriction derived from layers:none

Layer Data

Layer 0:

Type:Layer group
Symbol:c11(1)
Crystal system:triclinic
Layer system:oblique
Polarity:polar
Lattice restriction (instrinsic):none
Lattice restriction (extrinsic):ab=0
Lattice (rel. to global):same
Lattice (rel. to common):same
Lattice size (rel. to global):1
Lattice size (rel. to common):1
Order (modulo lattice):2
Order (modulo global lattice):2
Order (modulo common lattice):2
Floating origin:x,y,z

Symmetry operations:

x,y,z1
x+1/2,y+1/2,ztC

Special positions:

x,y,z

Centring vectors:

(1/2,1/2,0)

Special parameters

Special parameters for σ-POs (right)

  1. (general)
    Codes: general
    1. No subparameters.
  2. r=0 (reduced)
    Codes: reduced
    1. No subparameters.
  3. r=0, s=l, l∈ℤ (user)
    Codes: user-1, user-2
    1. l=0
    2. l=1