You entered the OD groupoid family symbol: tp { - - (-4^+)} [r,s] p11(1) { - - (-4^-)} [r',s']

The OD groupoid family parsed fine.

General OD Family Symbol

tpp11 (1)  

Reduced general OD Family Symbol

tpp11 (1)  

General Data

OD family of layers

Kinds of layers:N=1
Category:III (single)
Pointgroup:4 (S4)
Crystal system:tetragonal
Layer system:square
Common lattice:same
Common lattice size (rel. to global):1
Layer planes:(001)
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
Crystal system:triclinic
Layer system:oblique
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):1
Order (modulo global lattice):1
Order (modulo common lattice):1
Floating origin:x,y,z

Symmetry operations:


Special positions:


Centring vectors:


Special parameters

Special parameters for σ-POs (left)

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

Special parameters for σ-POs (right)

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