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

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Tm2Mn2O7 (#0.151)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms


Reference: E. Pomjakushina, V. Pomjakushin, K. Rolfs, J. Karpinski and K. Conder, Inorganic Chemistry (2015) 54 9092-9097.
DOI: 10.1021/acs.inorgchem.5b01498
Atomic positions from: same reference

Parent space group (paramagnetic phase): Fd-3m (#227)
Propagation vector: k1 (0, 0, 0)

Transition Temperature: 25 K
Experiment Temperature: 5 K

Lattice parameters of the magnetic unit cell:
6.96471 6.96471 9.84959 90.00 90.00 90.00
Transformation from parent structure: (b/2-c/2,b/2+c/2,a;0,1/4,-1/4)
    [View matrix form]

BNS Magnetic Space Group: I41/am'd' (#141.557) (standard setting)
    [View symmetry operations]
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|
Mn_1Mn0.000000.000000.0000080,my,mz0.00.81(5)1.66(4)1.85
Tm_1Tm0.000000.000000.5000080,my,mz0.0-0.05(5)2.31(5)2.31

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



Active Irreps:                                           
Irrep decomposition via


labeldim. full irrepdim. small irrepdirectionactionnumber of modes
mGM4+ 3 3 special primary 4


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Comments (symmetry):

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