MAGNDATA arrow Collection of Magnetic Structures

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

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FeI2 (#3.14)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms

Reference: A. Wiedenmann, L. Regnault, P. Burlet, J. Rossat-Mignod, O. Kounde and D. Billerey, Physica B: Condensed Matter (1989) 156-157 305-307.
DOI: 10.1016/0921-4526(89)90661-3
Atomic positions from: ICSD #52369

Parent space group (paramagnetic phase): P-3m1 (#164)
Propagation vector(s):
k1 (1/6, 1/6, 0)
k2 (1/6, -1/3, 0)
k3 (1/3, -1/6, 0)

Lattice parameters of the magnetic unit cell:
24.30000 24.30000 6.76000 90.00 90.00 120.00
Transformation from parent structure: (6a,6b,c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: C2'/m' (#12.62) (non-standard)
    [View symmetry operations]
Transformation to a standard setting: (1/3a-1/3b,a+b,c;1/12,11/12,0)
    [View matrix form]
Systematic absences for this Magnetic Space Group via

Magnetic Point Group: 2'/m' (5.5.16)
    [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
mLD2 6 1 special2 primary 4
mLD1 6 1 special2 secondary 1 no
mGM2+ 1 1 secondary 1 yes
mGM3+ 2 2 special secondary 1 no
mK2 2 1 special2 secondary 1 yes
mK3 4 2 special secondary 1 no
mM2+ 3 1 secondary 2 no

Comments (symmetry):

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