Demo

You entered the OD groupoid family symbol: tp p11(n) { - - (-4^-)} [r,s]

The OD groupoid family parsed fine.

General OD Family Symbol

tpp11 (n)  
 --4+4
 4-
  [-1/2+r',1/2+s']   

Reduced general OD Family Symbol

tpp11 (n)  
 --4+4
 4-
  [-1/2,1/2]   

General Data

OD family of layers

Kinds of layers:N=1
Category:I (single)
Pointgroup:4/m (C4h)
Crystal system:tetragonal
Layer system:square
Common lattice:same
Common lattice size (rel. to global):1
Layer planes:(001)
c0(0,0,1)
Global lattice restriction:ab=0, |b|=|a|
User supplied lattice restriction:ab=0, |b|=|a|
Lattice restriction derived from layers:none

Layer Data

Layer 0:

Type:Layer group
Symbol:p11(n)
Crystal system:monoclinic
Layer system:oblique
Polarity:non-polar
Lattice restriction (instrinsic):none
Lattice restriction (extrinsic):ab=0, |b|=|a|
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,0

Symmetry operations:

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

Special positions:

x,y,z

Centring vectors:

none

Special parameters

Special parameters for σ-POs (right)

  1. (general)
    Codes: general
    1. No subparameters.
  2. r'=0, s'=0 (reduced)
    Codes: reduced
    1. No subparameters.
  3. r'=1/2+r, s'=-1/2+s (user)
    Codes: user-1
    1. No subparameters.