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Sm2Ni7
Binary
Featured
Overview
Magnetic flux density0.117T
Magnetization density0.010μB Å−3
Total spin moment-7.757μB cell−1
MP-reference hull distance0.009eV atom−1
Cell volume778.070Å3
Number of atoms54atoms
Chemical system Sm-Ni
Calculation Converged
Final Relaxed Cell
Calculated-cell formulaNi42Sm12
a, b, c4.970, 4.970, 36.367 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume778.070 Å3
Volume per atom14.409 Å3 atom−1
Formula units, Z6
Final Symmetry
Space groupR-3m (No. 166)
Crystal systemTrigonal
Point group-3m
Hall symbol-R 3 2"
Pearson symbolhR18
Occupied Wyckoff Sites
| Site | Element | Wyckoff position | Multiplicity | Site symmetry |
|---|---|---|---|---|
| Sm1 | Sm | 6c | 6 | 3m |
| Sm2 | Sm | 6c | 6 | 3m |
| Ni1 | Ni | 18h | 18 | .m |
| Ni2 | Ni | 9e | 9 | .2/m |
| Ni3 | Ni | 6c | 6 | 3m |
| Ni4 | Ni | 6c | 6 | 3m |
| Ni5 | Ni | 3b | 3 | -3m |
Prototype Relationship
Parent space groupR-3m (No. 166)
AFLOW ANRL labelA7B2_hR18_166_a2cdh_2c-001
Cell Magnetization
Total spin moment-7.757 μB cell−1
Moment per atom-0.144 μB atom−1
Magnetization density0.010 μB Å−3
μ0M0.117 T
PAW-sphere total-8.577 μB cell−1
Interstitial remainder0.820 μB cell−1
Sublattice Magnetization
Rare-earth sublattice0.408 μB
Transition-metal sublattice-8.985 μB
RE–TM alignmentAntiparallel
Element-Resolved Moments
| Element | Atoms | PAW-sphere totalμB | Mean per atomμB atom−1 | RangeμB |
|---|---|---|---|---|
| Sm | 12 | 0.408 | 0.034 | 0.028 to 0.040 |
| Ni | 42 | -8.985 | -0.214 | -0.362 to -0.065 |
Site-Resolved PAW-Sphere Moments
| Site | Element | Wyckoff | sμB | pμB | dμB | TotalμB |
|---|---|---|---|---|---|---|
| 1 | Sm | c | 0.001 | 0.003 | 0.023 | 0.028 |
| 2 | Sm | c | 0.001 | 0.003 | 0.023 | 0.028 |
| 3 | Sm | c | 0.001 | 0.003 | 0.023 | 0.028 |
| 4 | Sm | c | 0.001 | 0.003 | 0.023 | 0.028 |
| 5 | Sm | c | -0.000 | 0.005 | 0.036 | 0.040 |
| 6 | Sm | c | -0.000 | 0.005 | 0.036 | 0.040 |
| 7 | Sm | c | 0.001 | 0.003 | 0.023 | 0.028 |
| 8 | Sm | c | 0.001 | 0.003 | 0.023 | 0.028 |
| 9 | Sm | c | -0.000 | 0.005 | 0.036 | 0.040 |
| 10 | Sm | c | -0.000 | 0.005 | 0.036 | 0.040 |
| 11 | Sm | c | -0.000 | 0.005 | 0.036 | 0.040 |
| 12 | Sm | c | -0.000 | 0.005 | 0.036 | 0.040 |
| 13 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 14 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 15 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 16 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 17 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 18 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 19 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 20 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 21 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 22 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 23 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 24 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 25 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 26 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 27 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 28 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 29 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 30 | Ni | h | 0.001 | 0.004 | -0.152 | -0.147 |
| 31 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 32 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 33 | Ni | c | -0.000 | 0.005 | -0.240 | -0.235 |
| 34 | Ni | c | -0.000 | 0.005 | -0.240 | -0.235 |
| 35 | Ni | c | -0.000 | 0.005 | -0.240 | -0.235 |
| 36 | Ni | c | -0.000 | 0.005 | -0.240 | -0.235 |
| 37 | Ni | c | -0.000 | 0.005 | -0.240 | -0.235 |
| 38 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 39 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 40 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 41 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 42 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 43 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 44 | Ni | e | -0.000 | 0.005 | -0.367 | -0.362 |
| 45 | Ni | c | -0.000 | 0.005 | -0.251 | -0.246 |
| 46 | Ni | c | -0.000 | 0.005 | -0.251 | -0.246 |
| 47 | Ni | c | -0.000 | 0.005 | -0.251 | -0.246 |
| 48 | Ni | c | -0.000 | 0.005 | -0.251 | -0.246 |
| 49 | Ni | c | -0.000 | 0.005 | -0.251 | -0.246 |
| 50 | Ni | c | -0.000 | 0.005 | -0.251 | -0.246 |
| 51 | Ni | b | 0.001 | 0.004 | -0.070 | -0.065 |
| 52 | Ni | b | 0.001 | 0.004 | -0.070 | -0.065 |
| 53 | Ni | c | -0.000 | 0.005 | -0.240 | -0.235 |
| 54 | Ni | b | 0.001 | 0.004 | -0.070 | -0.065 |
Convex Hull: Sm-Ni
Energy above hull 0.009 eV/atom
Reference set 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 MAGMOM54*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 = 54*5.0 NCORE = 4 NELM = 120 NSW = 100 POTIM = 0.2 PREC = Normal SIGMA = 0.05
Brillouin-Zone Sampling
SchemeGamma
Mesh5 × 5 × 1
Maximum reciprocal spacing0.29194 Å−1
View exact KPOINTS
pymatgen with grid density = 1068 / number of atoms 0 Gamma 5 5 1
PAW Potentials
| Element | VASP TITEL | ZVAL | ENMAXeV |
|---|---|---|---|
| Sm | PAW_PBE Sm_3 07Sep2000 | 11.000 | 177.087 |
| Ni | PAW_PBE Ni_pv 06Sep2000 | 16.000 | 367.945 |