Research/Sitter/MAGNDATA / 1.0.44_Ba3CoSb2O9.mcif

Ba₃CoSb₂O₉

MAGNDATA entry 1.0.44 · 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 ≤ 3.8 K (−269 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 9 properties

Magnetic group	C m′ c 2₁′ BNS 36.174
Parent space group	P 6₃/m m c No. 194
Spins	coplanar · net moment 0 μ_B per cell
Cell	a 10.1174 · b 10.1174 · c 14.4283 Å · α 90° · β 90° · γ 120°
Transition	3.8 K (−269 °C)
Measured at	2.3 K
Magnetic ions	Co
Largest moment component	1.35 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 C m′ c 2₁′ →

Atom sites · 27 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Ba1_1	Ba	0	0	0.25
Ba1_2	Ba	0.3333	0.6667	0.25
Ba2_1	Ba	0.3333	0.3333	0.9112
Ba2_2	Ba	0.3333	0	0.4112
Ba2_3	Ba	0.3333	0	0.0888
Ba2_4	Ba	0.3333	0.3333	0.5888
Co1_1	Co	0	0	0	0	0	1.35	1.35
Co1_2	Co	0.3333	0.6667	0	0.675	−0.675	−0.675	1.35
Sb1_1	Sb	0.3333	0.3333	0.1518
Sb1_2	Sb	0.3333	0	0.6518
Sb1_3	Sb	0.3333	0	0.8482
Sb1_4	Sb	0.3333	0.3333	0.3482
O1_1	O	0.4828	0.4828	0.25
O1_2	O	0.5172	0	0.25
O1_3	O	0.8161	0.1495	0.25
O1_4	O	0.8505	0.6667	0.25
O1_5	O	0.3333	0.1839	0.25
O2_1	O	0.1697	0.1697	0.4157
O2_2	O	0.8303	0	0.4157
O2_3	O	0.1697	0	0.5843
O2_4	O	0.8303	0.8303	0.5843
O2_5	O	0.503	0.8364	0.4157
O2_6	O	0.1636	0.6667	0.4157
O2_7	O	0.3333	0.497	0.4157
O2_8	O	0.503	0.6667	0.5843
O2_9	O	0.1636	0.497	0.5843
O2_10	O	0.3333	0.8364	0.5843

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

Y. Doi et al. J. Phys.: Condens. Matter (2004) · doi:10.1088/0953-8984/16/49/009

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.0.44_Ba3CoSb2O9.mcif from MAGNDATA · entry page

sha256 of this copy: 33622099f32968dc5cab6b145f0bb4adf9ddd4ad592f5bff8edef607f90347a2
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.0.44_Ba3CoSb2O9.mcif.