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

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UPd2Si2 (#2.65)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms


Reference: H Ptasiewicz-Bak, J Leciejewicz, A Zygmunt, J. Phys. F: Met. Phys. (1981) 11 1225 - ?
DOI: 10.1088/0305-4608/11/6/009
Atomic positions from: ICSD #108867

Parent space group (paramagnetic phase): I4/mmm (#139)
Propagation vector(s):
k1 (0, 0, 2/3)
k2 (1, 1, 1)

Transition Temperature: <80 K
Experiment Temperature: 4.2 K

Lattice parameters of the magnetic unit cell:
4.09700 4.09700 30.13800 90.00 90.00 90.00
Transformation from parent structure: (a,b,3c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: P4/mm'm' (#123.345) (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: 4/mm'm' (15.6.58)
    [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_1U0.000000.000000.0000010,0,mz0.00.03.373.37
U1_2U0.500000.500000.1666720,0,mz0.00.0-2.3452.35
U1_3U0.000000.000000.3333320,0,mz0.00.00.2950.29
U1_4U0.500000.500000.5000010,0,mz0.00.00.730.73

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



Active Irreps:                                           
Irrep decomposition via


labeldim. full irrepdim. small irrepdirectionactionnumber of modespresence
mLD4(0,0,2/3) 2 1 special primary 1
mM3+ 1 1 primary 1
mLD4(0,0,1/3) 2 1 special secondary 1 no
mGM3+ 1 1 secondary 1 no


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Comments (symmetry):

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