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

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TmMn2Ge2 (#2.94)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms

Reference: G. Venturini, B. Malaman, E. Ressouche, Journal of Alloys and Compounds (1996) 240 139 - 150
DOI: 10.1016/0925-8388(96)02272-4
Atomic positions from: ICSD #107114

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

Transition Temperature: 8.5(2) K
Experiment Temperature: 2 K

Lattice parameters of the magnetic unit cell:
3.933 3.933 21.55 90.00 90.00 90.00
Transformation from parent structure: (a,b,2c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: Pm'c'21 (#26.70) (non-standard)
    [View symmetry operations]
Transformation to a standard setting: (-b,a,c;0,0,0)
    [View matrix form]
Systematic absences for this Magnetic Space Group via

Magnetic Point Group: m'm'2 (7.4.23)
    [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|

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

Active Irreps:                                           
Irrep decomposition via

labeldim. full irrepdim. small irrepdirectionactionnumber of modespresence
mM1- 1 1 primary 1
mLD5 4 2 special primary 6
mGM3+ 1 1 secondary 2 no
mGM2- 1 1 secondary 1 no
mM3+ 1 1 secondary 1 no
mM4+ 1 1 secondary 1 no

Comments (symmetry):

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