MAGNDATA arrow Collection of Magnetic Structures


MAGNDATA: A Collection of magnetic structures with portable cif-type files

Log in


  Element search (separate with space or comma):     View Full Database  Advanced Search

To upload any published structure click HERE


  Enter the label of the structure:   

MgCr2O4 (#3.4)

view in Jmol
Download mcif file
Download vesta file (all atoms)
Download vesta file (magnetic atoms only)


working...


Magnetic structure with all atoms

Magnetic structure with only magnetic atoms


Reference: H. Shaked, J.M. Hastings and L.M. Corliss, Physical Review B (1970) 1 3116-3124.
DOI: 10.1103/physrevb.1.3116
Atomic positions from: same reference

Parent space group (paramagnetic phase): Fd-3m (#227)
Propagation vector(s):
k1 (0, 0, 1)
k2 (0, 1, 0)
k3 (1, 0, 0)

Transition Temperature: 16 K
Experiment Temperature: 14 K

Lattice parameters of the magnetic unit cell:
8.33500 8.33500 8.33500 90.00 90.00 90.00
Transformation from parent structure: (a,b,c;-1/8,-1/8,-1/8)
    [View matrix form]

BNS Magnetic Space Group: P-42'm' (#111.255) (non-standard)
    [View symmetry operations]
Transformation to a standard setting: (a,b,c;1/2,1/2,1/2)
    [View matrix form]
Systematic absences for this Magnetic Space Group via

Magnetic Point Group: -42'm' (14.5.52)
    [View symmetry operations]
Symmetry-adapted form of material tensors via
Symmetry-adapted form of material tensors for domain-related equivalent structures via

Positions and magnetic moments of symmetry independent atoms:
From now on, magnetic atoms are in boldface and colored in red. Magnetic moments are expressed in units of μB

     [Show only magnetic atoms]                                             Use MVISUALIZE to:
     [Show all the atoms]
                                        

LabelAtom typexyzMultiplicitySymmetry constraints on MMxMyMz|M|
Cr1_1Cr0.125000.125000.125004mx,mx,mz0.40.40.40.69
Cr1_2Cr0.875000.375000.625008mx,my,mz-0.40.4-0.40.69
Cr1_3Cr0.375000.625000.875004mx,-mx,mz-0.40.40.40.69

    [Show all magnetic atoms in unit cell and their moment relations]



Active Irreps:                                           
Irrep decomposition via


labeldim. full irrepdim. small irrepdirectionactionnumber of modespresence
mX2 6 2 special-2 primary 2
mX4 6 2 special-2 primary 2
mX3 6 2 special-2 secondary 1 no
mGM4+ 3 3 special secondary 2 no


Comments:
Comments (symmetry):

Bilbao Crystallographic Server
https://www.cryst.ehu.es
For comments, please mail to
administrador.bcs@ehu.eus