Research/Sitter/MAGNDATA / 1.0.42_CsNiCl3.mcif

CsNiCl₃

MAGNDATA entry 1.0.42 · 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 ≤ 4.5 K (−269 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	C 2 2′ 2₁′ BNS 20.34
Parent space group	P 6₃/m m c No. 194
Spins	coplanar · net moment 0 μ_B per cell
Propagation	[1/3 1/3 0] 1k
Cell	a 21.42 · b 21.42 · c 5.96 Å · α 90° · β 90° · γ 120°
Transition	4.5 K (−269 °C)
Measured at	2 K
Magnetic ions	Ni
Largest moment component	1.4 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 2 2′ 2₁′ →

Atom sites · 10 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Cs1_1	Cs	0.1111	0.2222	0.75
Cs1_2	Cs	0.2222	0.1111	0.25
Ni1_1	Ni	0	0	0	0	0	−1.4	1.4
Ni1_2	Ni	0	0.3333	0	0.7	1.4	0.7	1.4
Ni1_3	Ni	0	0.6667	0	−0.7	−1.4	0.7	1.4
Cl1_1	Cl	0.052	0.104	0.25
Cl1_2	Cl	0.896	0.948	0.25
Cl1_3	Cl	0.052	0.4373	0.25
Cl1_4	Cl	0.896	0.2813	0.25
Cl1_5	Cl	0.052	0.2813	0.25

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

V. J. Minkiewicz et al. Solid State Communications (1970) · doi:10.1016/0038-1098(70)90505-3

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.0.42_CsNiCl3.mcif from MAGNDATA · entry page

sha256 of this copy: 9e12337bd4e7c4f66a9a21d2b895dd09987f6e31bae533c2408373b0f6df9e18
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.0.42_CsNiCl3.mcif.