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

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Ca2CoSi2O7 (#0.175)

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Magnetic structure with all atoms

Magnetic structure with only magnetic atoms

Reference: A. Sazonov, V. Hutanu, M. Meven, G. Roth, H. Murakawa, Y. Tokura, V.K. Guduru, L.C.J.M. Peters, U. Zeitler, L.F. Kiss, D. Szaller, B. Nafradi and I. Kezsmarki, Physical Review B (2017) 95 174431.
DOI: 10.1103/physrevb.95.174431
Atomic positions from: Acta Crystallogr. B 72, 126 (2016)

Parent space group (paramagnetic phase): P-421m (#113)
Propagation vector: k1 (0, 0, 0)

Transition Temperature: 5.7 K
Experiment Temperature: 2.5 K

Lattice parameters of the magnetic unit cell:
23.52000 23.52000 5.03000 90.00 90.00 90.00
Transformation from parent structure: (3a,3b,c;0,0,0)
    [View matrix form]

BNS Magnetic Space Group: P2121'2' (#18.19) (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: 2'2'2 (6.3.19)
    [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

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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
mGM5 2 2 special primary 2
mDT1 4 2 special secondary 3 no
mDT2 4 2 special secondary 3 no
mSM1 4 2 special secondary 3 no
mSM2 4 2 special secondary 3 no

Comments (symmetry):

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