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Crystal Lab › Prototype structures › Monoclinic

Sr₂MnTeO₆

Monoclinic · space group P121/c1 (No. 14) · Pearson mP20

Symmetry elements and Wyckoff positions (interactive)

Sr₂MnTeO₆ in P121/c1

Setting
Loading the group…
x = 0.10, y = 0.17, z = 0.08

Unit cell

Lattice constants
a = 8.033 Å, b = 5.677 Å, c = 9.858 Å; α = 90.00°, β = 144.67°, γ = 90.00°
Cell volume
260.0 ų
Atoms in the conventional cell
20 (Mn 2, Te 2, O 12, Sr 4)
Formula units Z
2
Pearson symbol
mP20 — monoclinic, primitive lattice, 20 atoms per conventional cell
Symmetry operations
4 per cell

Crystallographic sites

SiteElementWyckoffMultiplicityxyz
Mn1Mn2a20.00000.00000.0000
Te2Te2b20.50000.00000.0000
O3O4e40.68030.99350.9453
O4O4e40.26190.76210.2906
O5O4e40.78740.71260.7591
Sr6Sr4e40.75070.98470.5015

The multiplicity and the Wyckoff letter say how many copies of the site the group makes in one cell and on which kind of symmetry element the site sits; the 20 atoms drawn above are these sites multiplied by all 4 operations. Press Wyckoff under Colour to see the sites, and tick a symmetry element on the left to see which atoms lie on it.

How to read the label

AB6C2D_mP20_14_a_3e_e_b-001: the stoichiometry comes first (A, B, C… are the elements in alphabetical order of their site labels), then the Pearson symbol mP20, then the space-group number 14, then the Wyckoff letters occupied by each element in turn (Mn: 2a; Te: 2b; O: 4e; O: 4e; O: 4e; Sr: 4e). Two structures with the same label are the same arrangement with different cell parameters or coordinates.

Other compounds with this structure

Ba₂LaIrO₆, Ba₂LaRuO₆, Ba₂LuIrO₆, Ba₂NaIrO₆, Ba₂YIrO₆, Ca₂LaRuO₆, Co₂CaTeO₆, Cs₂RbDyF₆, Dy₂MnNiO₆, Eu₂MgIrO₆, Eu₂MnNiO₆, Eu₂ZnIrO₆, Gd₂MgIrO₆, Gd₂MnNiO₆, Gd₂ZnIrO₆, Ho₂MnNiO₆, La₂MnCoO₆, La₂MnFeO₆, La₂MnNiO₆, Lu₂MnNiO₆, Nd₂MgIrO₆, Nd₂MnNiO₆, Nd₂ZnIrO₆, Pr₂MgIrO₆, Pr₂MnNiO₆, Pr₂ZnIrO₆, Sm₂MgIrO₆, Sm₂MnNiO₆, Sm₂ZnIrO₆, Sr₂CaIrO₆, Sr₂CdTeO₆, Sr₂ErRuO₆, Sr₂InIrO₆, Sr₂LuIrO₆, Sr₂MgIrO₆, Sr₂MnReO_{5.8}, Sr₂ScIrO₆, Sr₂TmRuO₆, Sr₂YIrO₆, Sr₂YbRuO₆, Ca(Ca_{1/2}Nd_{1/2})₂NbO₆ <!--beginning with an

Note: Double Perovskite.

Source

Coordinates and cell from the AFLOW Encyclopedia of Crystallographic Prototypes, entry AB6C2D_mP20_14_a_3e_e_b-001 (M. J. Mehl et al., Comput. Mater. Sci. 136, S1 (2017); D. Hicks et al., ibid. 161, S1 (2019) and 199, 110450 (2021); S. Eckert et al., ibid. 240, 112988 (2024)). Symmetry elements, Wyckoff assignment and the diagram are computed on this page from the group operations.

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