Research/Sitter/MAGNDATA / 1.342_Co3(PO4)2.mcif

Co₃(PO₄)₂

MAGNDATA entry 1.342 · source

noncoplanar magnet

Spins pointing in three dimensions, not confined to a plane.

ordered ≤ 30 K (−243 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	P_a 2₁/c BNS 14.80
Parent space group	P 2₁/c No. 14
Spins	noncoplanar · net moment 0 μ_B per cell
Propagation	[1/2 0 0] 1k
Cell	a 10.126 · b 8.361 · c 8.788 Å · α 90° · β 121° · γ 90°
Transition	30 K (−243 °C)
Measured at	4.2 K
Magnetic ions	Co
Largest moment component	3.63 μ_B
Method	NPD and NSD

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_a 2₁/c →

Atom sites · 7 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Co1	Co	0	0	0	0.61	−3.63	−0.8	3.833
Co2	Co	0.0101	0.3591	0.1142	1.03	−2.42	−2.29	3.8198
P1	P	0.1702	0.6938	0.3024
O1	O	0.1364	0.6422	0.4455
O2	O	0.3441	0.6958	0.375
O3	O	0.0951	0.5786	0.1432
O4	O	0.0951	0.8618	0.2435

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

J.B. Forsyth et al. “J. (1988) · doi:10.1088/0022-3719/21/10/018

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.342_Co3(PO4)2.mcif from MAGNDATA · entry page

sha256 of this copy: 1931a5a3148adaeb467dfb9d21c4494c91ad1dd3b6d6017a8afd5d94ce046c33
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.342_Co3(PO4)2.mcif.