Research/Sitter/MAGNDATA / 0.285_KRuO4.mcif

KRuO₄

MAGNDATA entry 0.285 · source

antiferromagnet

No net magnetisation, and up and down sublattices are related by a shift or by inversion, so the bands stay spin-degenerate: a conventional antiferromagnet.

Spin group ¹4/¹m × ²1: each symmetry marked ¹ keeps every spin, ² swaps up and down.

ordered ≤ 22.4 K (−251 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	I 4₁′/a′ BNS 88.85
Parent space group	I 4₁/a No. 88
Spins	collinear · net moment 0 μ_B per cell
Propagation	[0 0 0] 1k
Cell	a 5.6105 · b 5.6105 · c 12.959 Å · α 90° · β 90° · γ 90°
Transition	22.4 K (−251 °C)
Measured at	3.5 K
Magnetic ions	Ru
Largest moment component	0.57 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 I 4₁′/a′ →

Atom sites · 3 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
K1	K	0	0.25	0.625
Ru1	Ru	0	0.25	0.125	0	0	0.57	0.57
O1	O	0.1113	0.0162	0.1992

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

C.A. Marjerrison et al. Inorg. Chem. (2016) · doi:10.1021/acs.inorgchem.6b02284

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 0.285_KRuO4.mcif from MAGNDATA · entry page

sha256 of this copy: 807fb9c6a889c34d8a5ffbdd8df213d4ebc76524c671822c5a0e35bd111c8216
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 0.285_KRuO4.mcif.