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Sm2Fe17

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Crystal Structure

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Overview

Magnetic flux density1.771T
Magnetization density0.152μB Å−3
Total spin moment119.851μB cell−1
MP-reference hull distance0.027eV atom−1
Cell volume788.460Å3
Number of atoms57atoms
Chemical system Sm-Fe Calculation Converged

Final Relaxed Cell

Calculated-cell formulaFe51Sm6
a, b, c8.560, 8.560, 12.425 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume788.460 Å3
Volume per atom13.833 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
Fe1Fe9d9.2/m
Fe2Fe18f18.2
Fe3Fe18h18.m
Fe4Fe6c63m

Prototype Relationship

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

Cell Magnetization

Total spin moment119.851 μB cell−1
Moment per atom2.103 μB atom−1
Magnetization density0.152 μB Å−3
μ0M1.771 T
PAW-sphere total122.286 μB cell−1
Interstitial remainder-2.435 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.794 μB
Transition-metal sublattice124.080 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm6-1.794-0.299-0.299 to -0.299
Fe51124.0802.4332.212 to 2.662

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Smc-0.024-0.031-0.244-0.299
2Smc-0.024-0.031-0.244-0.299
3Smc-0.024-0.031-0.244-0.299
4Smc-0.024-0.031-0.244-0.299
5Smc-0.024-0.031-0.244-0.299
6Smc-0.024-0.031-0.244-0.299
7Fed-0.008-0.0432.2632.212
8Fed-0.008-0.0432.2632.212
9Fed-0.008-0.0432.2632.212
10Fed-0.008-0.0432.2632.212
11Fed-0.008-0.0432.2632.212
12Fed-0.008-0.0432.2632.212
13Fed-0.008-0.0432.2632.212
14Fed-0.008-0.0432.2632.212
15Fed-0.008-0.0432.2632.212
16Fef-0.004-0.0402.5252.481
17Fef-0.004-0.0402.5252.481
18Fef-0.004-0.0402.5252.481
19Fef-0.004-0.0402.5252.481
20Fef-0.004-0.0402.5252.481
21Fef-0.004-0.0402.5252.481
22Fef-0.004-0.0402.5252.481
23Fef-0.004-0.0402.5252.481
24Fef-0.004-0.0402.5252.481
25Fef-0.004-0.0402.5252.481
26Fef-0.004-0.0402.5252.481
27Fef-0.004-0.0402.5252.481
28Fef-0.004-0.0402.5252.481
29Fef-0.004-0.0402.5252.481
30Fef-0.004-0.0402.5252.481
31Fef-0.004-0.0402.5252.481
32Fef-0.004-0.0402.5252.481
33Feh-0.001-0.0302.4502.419
34Feh-0.001-0.0302.4502.419
35Feh-0.001-0.0302.4502.419
36Feh-0.001-0.0302.4502.419
37Feh-0.001-0.0302.4502.419
38Fef-0.004-0.0402.5252.481
39Feh-0.001-0.0302.4502.419
40Feh-0.001-0.0302.4502.419
41Feh-0.001-0.0302.4502.419
42Fec-0.003-0.0432.7082.662
43Fec-0.003-0.0432.7082.662
44Fec-0.003-0.0432.7082.662
45Feh-0.001-0.0302.4502.419
46Feh-0.001-0.0302.4502.419
47Feh-0.001-0.0302.4502.419
48Feh-0.001-0.0302.4502.419
49Feh-0.001-0.0302.4502.419
50Feh-0.001-0.0302.4502.419
51Feh-0.001-0.0302.4502.419
52Feh-0.001-0.0302.4502.419
53Feh-0.001-0.0302.4502.419
54Feh-0.001-0.0302.4502.419
55Fec-0.003-0.0432.7082.662
56Fec-0.003-0.0432.7082.662
57Fec-0.003-0.0432.7082.662

Convex Hull: Sm-Fe

Energy above hull 0.027 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 MAGMOM57*5.0
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 = 57*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh3 × 3 × 2
Maximum reciprocal spacing0.28252 Å−1
View exact KPOINTS
pymatgen with grid density = 1167 / number of atoms
0
Gamma
3 3 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
FePAW_PBE Fe_pv 06Sep200014.000293.238