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

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ErMn2Ge2 (#2.83)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms


Reference: J. Leciejewicz, S. Siek, A. Szytula, Journal of Magnetism and Magnetic Materials (1984) 40 265 - 270
DOI: 10.1016/0304-8853(84)90317-2
Atomic positions from: ICSD #55770

Parent space group (paramagnetic phase): I4/mmm (#139)
Propagation vector(s):
k1 (1, 1, 1)
k2 (0, 0, 0)

Transition Temperature: 8(3) K
Experiment Temperature: 4.2 K

Lattice parameters of the magnetic unit cell:
3.881(8) 3.881(8) 10.627(12) 90.00 90.00 90.00
Transformation from parent structure: (a,b,c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: Pm'm'n (#59.409) (non-standard)
    [View symmetry operations]
Transformation to a standard setting: (c,b,-a;1/4,1/4,1/4)
    [View matrix form]
Systematic absences for this Magnetic Space Group via

Magnetic Point Group: m'm'm (8.4.27)
    [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|
Er1Er0.000000.000000.000002mx,0,07.7(4)0.00.07.70
Mn1Mn0.000000.500000.250004mx,0,mz0.00.02.3(2)2.30

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



Active Irreps:                                           
Irrep decomposition via


labeldim. full irrepdim. small irrepdirectionactionnumber of modes
mM1- 1 1 primary 1
mGM5+ 2 2 special primary 2


Comments:
Comments (symmetry):

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