Research/Sitter/MAGNDATA / 2.25_Sr2CoOsO6.mcif

Sr₂CoOsO₆

MAGNDATA entry 2.25 · source

noncollinear antiferromagnet

All moments add up to a net magnetisation: an ordinary magnet. Spin splitting is the same in every direction (s-wave).

ordered ≤ 70 K (−203 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	P_S 1 BNS 2.7
Parent space group	I 2/m No. 12
Spins	coplanar · net moment 0 μ_B per cell
Propagation	[1/2 1/2 0] · [1/2 0 1/2] 2k
Cell	a 11.0122 · b 11.0158 · c 16.0516 Å · α 90° · β 90.62° · γ 90°
Transition	70 K (−203 °C)
Measured at	12 K
Magnetic ions	Co, Os
Largest moment component	2.05 μ_B
Method	NPD

Symmetry

Stereogram of the magnetic point group: each operation applied to one direction. Filled = upper hemisphere, ring = lower; red operations include time reversal. Lines are mirrors; polygons are 2/3/4/6-fold axes; the centre ring is inversion.

Every structure in P_S 1 →

Atom sites · 15 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Sr1_1	Sr	0.25	0	0.1251
Sr1_2	Sr	0.75	0	0.8749
Os1	Os	0	0	0	1.28	−1.28	0	1.8102
Co1_1	Co	0	0	0.25	2.05	0	−2.05	2.9148
Co1_2	Co	0.25	0.25	0	2.05	0	−2.05	2.9148
O1_1	O	0	0	0.1212
O1_2	O	0	0	0.8788
O2_1	O	0.1024	0.1405	0
O2_2	O	0.8975	0.1405	0
O2_3	O	0.8975	0.8595	0
O2_4	O	0.1024	0.8595	0
O3_1	O	0.1389	0.3988	0
O3_2	O	0.8611	0.3988	0
O3_3	O	0.8611	0.6012	0
O3_4	O	0.1389	0.6012	0

Moment components are along the crystal axes a, b, c (μ_B), as magCIF writes them. Symmetry generates the rest of the cell from these sites.

Source

R. Morrow et al. J. Amer. Chem. Soc. (2013) · doi:10.1021/ja407342w

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 2.25_Sr2CoOsO6.mcif from MAGNDATA · entry page

sha256 of this copy: d6a9d45669e1bc18dda9ab1c58a43b319e03f529e22a6a54f1ad78a073dffeef
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 2.25_Sr2CoOsO6.mcif.