MAGNDATA arrow Collection of Magnetic Structures


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

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UNiGa (#2.88)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms


Reference: H.Maletta, R. A. Robinson, A. C. Lawson, V. Sechovsky, L. Havela, L. Jirman, M. Divis, E. Bruck, F. R. De Boer, A. V. Andreev, K. H. J. Buschow, P. Burlet, Journal of Magnetism and Magnetic Materials (1992) 104-107 21 - 22
DOI: 10.1016/0304-8853(92)90684-G
Atomic positions from: ICSD #106739

Parent space group (paramagnetic phase): P-62m (#189)
Propagation vector(s):
k1 (0, 0, 1/6)
k2 (0, 0, 1/3)
k3 (0, 0, 1/2)

Transition Temperature: 38 K
Experiment Temperature: 3 K

Lattice parameters of the magnetic unit cell:
6.70120 6.70120 24.05270 90.00000 90.00000 120.00000
Transformation from parent structure: (a,b,6c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: P-6'2m' (#189.224) (standard setting)
    [View symmetry operations]
Transformation to a standard setting: (a,b,c;0,0,0)
    [View matrix form]
Systematic absences for this Magnetic Space Group via

Magnetic Point Group: -6'm'2 (26.3.97)
    [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|
U1_1U0.577540.000000.083336mx,0,mz0.00.01.4(2)1.40
U1_2U0.577540.000000.583336mx,0,mz0.00.01.4(2)1.40
U1_3U0.577540.000000.250006mx,0,mz0.00.0-1.4(2)1.40

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



Active Irreps:                                           
Irrep decomposition via


labeldim. full irrepdim. small irrepdirectionactionnumber of modespresence
mDT2[001/6] 2 1 special primary 2
mDT2[001/3] 2 1 special primary 2
mA2 1 1 secondary 1 yes
mGM2 1 1 secondary 1 no


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