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

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TbMn2Ge2 (#3.20)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms


Reference: J. Leciejewicz, A. Szytula, Solid State Communications (1984) 49 361 - 364
DOI: 10.1016/0038-1098(84)90587-8
Atomic positions from: ICSD #53709

Parent space group (paramagnetic phase): I4/mmm (#139)
Propagation vector(s):
k1 (0, 0, 0)
k2 (1, 1, 1)
k3 (0, 1/2, 0)

Transition Temperature: 26 K
Experiment Temperature: 4.2 K

Lattice parameters of the magnetic unit cell:
3.97200 7.94400 10.75800 90.00000 90.00000 90.00000
Transformation from parent structure: (a,2b,c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: P-1 (#2.4) (non-standard)
    [View symmetry operations]
Transformation to a standard setting: (a,b,c;1/4,1/8,1/4)
    [View matrix form]
Systematic absences for this Magnetic Space Group via

Magnetic Point Group: -1.1 (2.1.3)
    [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|
Mn1_1Mn0.000000.250000.250002Mx,My,Mz0.00.02.3(3)2.30
Mn1_2Mn0.500000.500000.750002Mx,My,Mz0.00.0-2.3(3)2.30
Mn1_3Mn0.500000.000000.750002Mx,My,Mz0.00.0-2.3(3)2.30
Mn1_4Mn0.000000.750000.250002Mx,My,Mz0.00.02.3(3)2.30
Tb1_1Tb0.000000.000000.000002Mx,My,Mz2.46-4.927.6(3)9.38
Tb1_2Tb0.500000.750000.500002Mx,My,Mz-2.464.927.6(3)9.38

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



Active Irreps:                                           
Irrep decomposition via


labeldim. full irrepdim. small irrepdirectionactionnumber of modespresence
mGM3+ 1 1 primary 2
mM1- 1 1 primary 1
mSM2 4 2 special primary 3
mSM3 4 2 special primary 2
mGM5+ 2 2 general secondary 4 no
mM5- 2 2 general secondary 2 no
mSM1 4 2 special secondary 1 no
mSM4 4 2 special secondary 3 no


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