Home / Magnets / Sm2Co15Mn2 (MAG-000259)

Sm2Co15Mn2

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Crystal Structure

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Overview

Magnetic flux density1.334T
Magnetization density0.115μB Å−3
Total spin moment85.634μB cell−1
MP-reference hull distance0.003eV atom−1
Cell volume748.090Å3
Number of atoms57atoms
Chemical system Sm-Co-Mn Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo45Mn6Sm6
a, b, c8.398, 8.398, 12.248 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume748.090 Å3
Volume per atom13.124 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR-3m (No. 166)
Crystal systemTrigonal
Point group-3m
Hall symbol-R 3 2"
Pearson symbolhR19

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm6c63m
Mn1Mn6c63m
Co1Co18h18.m
Co2Co18f18.2
Co3Co9d9.2/m

Prototype Relationship

Parent prototypeTh2Zn17-type (A17B2)
Parent space groupR-3m (No. 166)
AFLOW ANRL labelA17B2_hR19_166_cegh_c-001

Cell Magnetization

Total spin moment85.634 μB cell−1
Moment per atom1.502 μB atom−1
Magnetization density0.115 μB Å−3
μ0M1.334 T
PAW-sphere total87.084 μB cell−1
Interstitial remainder-1.450 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.332 μB
Transition-metal sublattice88.416 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm6-1.332-0.222-0.222 to -0.222
Mn618.8643.1443.144 to 3.144
Co4569.5521.5461.505 to 1.603

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Smc-0.010-0.023-0.189-0.222
2Smc-0.010-0.023-0.189-0.222
3Smc-0.010-0.023-0.189-0.222
4Smc-0.010-0.023-0.189-0.222
5Smc-0.010-0.023-0.189-0.222
6Smc-0.010-0.023-0.189-0.222
7Mnc0.012-0.0063.1383.144
8Mnc0.012-0.0063.1383.144
9Mnc0.012-0.0063.1383.144
10Mnc0.012-0.0063.1383.144
11Mnc0.012-0.0063.1383.144
12Mnc0.012-0.0063.1383.144
13Coh-0.010-0.0481.5631.505
14Coh-0.010-0.0481.5631.505
15Coh-0.010-0.0481.5631.505
16Coh-0.010-0.0481.5631.505
17Coh-0.010-0.0481.5631.505
18Coh-0.010-0.0481.5631.505
19Coh-0.010-0.0481.5631.505
20Coh-0.010-0.0481.5631.505
21Coh-0.010-0.0481.5631.505
22Coh-0.010-0.0481.5631.505
23Coh-0.010-0.0481.5631.505
24Coh-0.010-0.0481.5631.505
25Coh-0.010-0.0481.5631.505
26Coh-0.010-0.0481.5631.505
27Coh-0.010-0.0481.5631.505
28Coh-0.010-0.0481.5631.505
29Coh-0.010-0.0481.5631.505
30Coh-0.010-0.0481.5631.505
31Cof-0.013-0.0481.6641.603
32Cof-0.013-0.0481.6641.603
33Cof-0.013-0.0481.6641.603
34Cof-0.013-0.0481.6641.603
35Cof-0.013-0.0481.6641.603
36Cof-0.013-0.0481.6641.603
37Cof-0.013-0.0481.6641.603
38Cof-0.013-0.0481.6641.603
39Cod-0.019-0.0481.5791.512
40Cod-0.019-0.0481.5791.512
41Cod-0.019-0.0481.5791.512
42Cod-0.019-0.0481.5791.512
43Cod-0.019-0.0481.5791.512
44Cod-0.019-0.0481.5791.512
45Cof-0.013-0.0481.6641.603
46Cof-0.013-0.0481.6641.603
47Cof-0.013-0.0481.6641.603
48Cof-0.013-0.0481.6641.603
49Cof-0.013-0.0481.6641.603
50Cof-0.013-0.0481.6641.603
51Cof-0.013-0.0481.6641.603
52Cof-0.013-0.0481.6641.603
53Cof-0.013-0.0481.6641.603
54Cof-0.013-0.0481.6641.603
55Cod-0.019-0.0481.5791.512
56Cod-0.019-0.0481.5791.512
57Cod-0.019-0.0481.5791.512

Convex Hull: Sm-Co-Mn

Energy above hull 0.003 eV/atom Reference set loading Candidates on this hull loading
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VASP Calculation

MethodCollinear spin-polarized DFT
Exchange-correlationPBE
Plane-wave cutoff520.0 eV
PrecisionNormal
Electronic convergence0.0001 eV
Ionic convergence-0.01 eV Å−1
Initial MAGMOM12*5.0 45*2.0
RelaxationIBRION 1, ISIF 3, NSW 100
View exact INCAR
ADDGRID = True
ALGO = Normal
EDIFF = 0.0001
EDIFFG = -0.01
ENCUT = 520.0
IBRION = 1
ISIF = 3
ISMEAR = 1
ISPIN = 2
LAECHG = False
LASPH = True
LCHARG = False
LMAXMIX = 6
LORBIT = 11
LREAL = Auto
LWAVE = False
MAGMOM = 12*5.0 45*2.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh3 × 3 × 2
Maximum reciprocal spacing0.28797 Å−1
View exact KPOINTS
pymatgen with grid density = 1180 / number of atoms
0
Gamma
3 3 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
MnPAW_PBE Mn_pv 07Sep200013.000269.865
CoPAW_PBE Co 06Sep20009.000267.969