Demo

You entered the OD groupoid family symbol: op c11(m) { n_(s,2) 2_s (-)} [r,-]

The OD groupoid family parsed fine.

General OD Family Symbol

opc11 (m)  
 ns',22s'-
 n1+s',221+s'
  [r']    

Reduced general OD Family Symbol

opc11 (m)  
 ns',22s'-
 n1+s',221+s'
  [0]    

General Data

OD family of layers

Kinds of layers:N=1
Category:I (single)
Pointgroup:m2m (C2v)
Crystal system:orthorhombic
Layer system:rectangular
Common lattice:same
Common lattice size (rel. to global):1
Layer planes:(001)
c0(0,0,1)
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(m)
Crystal system:monoclinic
Layer system:oblique
Polarity:non-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):4
Order (modulo global lattice):4
Order (modulo common lattice):4
Floating origin:x,y,0

Symmetry operations:

x,y,z1
x,y,-zm
x+1/2,y+1/2,ztC
x+1/2,y+1/2,-zn

Special positions:

x,y,z
x,y,0

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'=r, s'=s+l', l'∈ℤ (user)
    Codes: user-1, user-2, user-3, user-4
    1. l'=0
    2. l'=1
  4. s'=n, n∈ℤ (special)
    Codes: nfz2-2-1 (2s' [010] r'/2,y,1/2)
    1. n=0
    2. n=1