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

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Bi2Fe4O9 (#1.528)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms


Reference: E. Ressouche, V. Simonet, B. Canals, M. Gospodinov, V. Skumryev, PHYSICAL REVIEW LETTERS (2009) 103 267204
DOI: 10.1103/PhysRevLett.103.267204
Atomic positions from: ICSD #238979

Parent space group (paramagnetic phase): Pbam (#55)
Propagation vector: k1 (1/2, 1/2, 1/2)

Transition Temperature: 244(2) K
Experiment Temperature: 15 K

Lattice parameters of the magnetic unit cell:
15.94860 16.89400 12.01350 90.00 90.00 90.00
Transformation from parent structure: (2a,2b,2c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: Ca2/m (#12.64) (non-standard)
    [View symmetry operations]
Transformation to a standard setting: (b,c,1/2a+1/2b;0,0,0)
    [View matrix form]
Systematic absences for this Magnetic Space Group via

Magnetic Point Group: 2/m.1' (5.2.13)
    [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|
Fe1_1Fe0.178550.170350.2500016mx,my,0-0.623.470.03.52
Fe1_2Fe0.071450.420350.2500016mx,my,03.470.620.03.52
Fe2_1Fe0.000000.250000.3686016mx,my,0-0.99-3.60.03.73
Fe2_2Fe0.250000.000000.6314016mx,my,0-3.60.990.03.73

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



Active Irreps:                                           
Irrep decomposition via


labeldim. full irrepdim. small irrepdirectionactionnumber of modes
mR1+R2+ 2 2 general primary 8


Comments:
Comments (symmetry):

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