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YbNiB4Os3

High-Entropy Materials HEA

MP-ID: mp-3292204 · Space group: P2 (#3)

Basic Information

Formula
YbNiB4Os3
MP-ID
mp-3292204
Elements
4
Sites
18
Density
13.0904
g/cm³
Volume
214.55
ų
Cell a
7.4152
Å
Cell b
7.2147
Å
Cell c
4.0147
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
87.34
°
Space Group
P2
Point Group
2
Crystal System
Monoclinic
Bravais Lattice
Monoclinic P
Stability
Yes
Packing Fraction
0.5240

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
11.95 7.4072 11.5 (1,0,0)
12.28 7.2069 9.6 (0,1,0)
16.76 5.2896 5.3 (1,1,0)
17.56 5.0495 30.3 (1,-1,0)
22.14 4.0147 3.6 (0,0,1)
24.03 3.7036 5.9 (2,0,0)
24.71 3.6034 4.8 (0,2,0)
25.23 3.5296 12.2 (1,0,1)
25.40 3.5073 27.5 (0,1,1)
27.01 3.3012 2.7 (1,2,0)
27.59 3.2336 2.2 (2,-1,0)
27.90 3.1979 15.7 (1,1,1)
28.04 3.1827 7.0 (1,-2,0)
28.40 3.1425 46.1 (1,-1,1)
32.90 2.7222 3.8 (2,0,1)
33.41 2.6817 3.5 (0,2,1)
34.83 2.5758 6.0 (2,1,1)
35.20 2.5499 98.0 (1,2,1)
35.56 2.5248 13.9 (2,-2,0)
35.65 2.5183 100.0 (2,-1,1)
36.01 2.4941 5.5 (1,-2,1)
36.39 2.4691 1.1 (3,0,0)
37.44 2.4023 1.7 (0,3,0)
37.97 2.3698 58.4 (3,1,0)
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Energy Properties

Formation Energy/atom
-0.46968
eV/atom
Energy/atom
-26.78659
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-26.7866
eV/atom
Volume/atom
11.92
ų
c/a Ratio
-

Electronic Properties

Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0235
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000110
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
B · 0.444
Element Family
Metalloid-Nonmetal
Solute Fraction
0.556
Interstitial Fraction
0.444

High-Entropy Alloy Features

Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
1.2149
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
10.1006
J/mol·K
Ω Parameter
1.3836
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
24.070%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.3229
smaller = more stable mixing
VEC
6.667
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
-17.958
kJ/mol; negative = exothermic mixing
Entropy Norm
0.8764
SS Former
0
Phase Tendency
AM

Related Tasks

Related computation task IDs (1)

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-3292204
Reference Citation

The crystal structure and related material properties of YbNiB4Os3 were obtained from the Materials Project database (MP-ID: mp-3292204, database version v2026.04.13).

Literature Citation

Horton, M.K., Huck, P., Yang, R.X. et al. Accelerated data-driven materials science with the Materials Project. Nat. Mater. 24, 1522–1532 (2025). https://doi.org/10.1038/s41563-025-02272-0

BibTeX
@article{Horton2025,
  author  = {Horton, Matthew K. and Huck, Patrick and Yang, Ruo Xi and Munro, Jason M. and Dwaraknath, Shyam and Ganose, Alex M. and Kingsbury, Ryan S. and Wen, Mingjian and Shen, Jimmy X. and Mathis, Tyler S. and Kaplan, Aaron D. and Berket, Karlo and Riebesell, Janosh and George, Janine and Rosen, Andrew S. and Spotte-Smith, Evan W. C. and McDermott, Matthew J. and Cohen, Orion A. and Dunn, Alex and Kuner, Matthew C. and Rignanese, Gian-Marco and Petretto, Guido and Waroquiers, David and Griffin, Sinead M. and Neaton, Jeffrey B. and Chrzan, Daryl C. and Asta, Mark and Hautier, Geoffroy and Cholia, Shreyas and Ceder, Gerbrand and Ong, Shyue Ping and Jain, Anubhav and Persson, Kristin A.},
  title   = {Accelerated data-driven materials science with the Materials Project},
  journal = {Nature Materials},
  year    = {2025},
  volume  = {24},
  number  = {10},
  pages   = {1522--1532},
  month   = {oct},
  doi     = {10.1038/s41563-025-02272-0},
  issn    = {1476-4660},
  url     = {https://doi.org/10.1038/s41563-025-02272-0},
  abstract = {The Materials Project was launched formally in 2011 to drive materials discovery forwards through high-throughput computation and open data. More than a decade later, the Materials Project has become an indispensable tool used by more than 600,000 materials researchers around the world. This Perspective describes how the Materials Project, as a data platform and a software ecosystem, has helped to shape research in data-driven materials science. We cover how sustainable software and computational methods have accelerated materials design while becoming more open source and collaborative in nature. Next, we present cases where the Materials Project was used to understand and discover functional materials. We then describe our efforts to meet the needs of an expanding user base, through technical infrastructure updates ranging from data architecture and cloud resources to interactive web applications. Finally, we discuss opportunities to better aid the research community, with the vision that more accessible and easy-to-understand materials data will result in democratized materials knowledge and an increasingly collaborative community.}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_YbNiB4Os3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.41518087
_cell_length_b   7.21465434
_cell_length_c   4.01472813
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   87.33837123
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YbNiB4Os3
_chemical_formula_sum   'Yb2 Ni2 B8 Os6'
_cell_volume   214.54808768
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Yb  Yb0  1  0.50000000  0.50000000  0.97271448  1.0
  Yb  Yb1  1  0.00000000  0.00000000  0.39592617  1.0
  Ni  Ni2  1  0.37051295  0.11920997  0.12125046  1.0
  Ni  Ni3  1  0.62948705  0.88079003  0.12125046  1.0
  B  B4  1  0.65639324  0.81699062  0.61722655  1.0
  B  B5  1  0.17545990  0.28720915  0.89464294  1.0
  B  B6  1  0.29566655  0.82860135  0.12096987  1.0
  B  B7  1  0.70433345  0.17139865  0.12096987  1.0
  B  B8  1  0.34360676  0.18300938  0.61722655  1.0
  B  B9  1  0.82454010  0.71279085  0.89464294  1.0
  B  B10  1  0.21261224  0.66494070  0.39732055  1.0
  B  B11  1  0.78738776  0.33505930  0.39732055  1.0
  Os  Os12  1  0.62570887  0.12800497  0.62613059  1.0
  Os  Os13  1  0.10935850  0.64776598  0.89491570  1.0
  Os  Os14  1  0.15193844  0.38121661  0.39322201  1.0
  Os  Os15  1  0.84806156  0.61878339  0.39322201  1.0
  Os  Os16  1  0.89064150  0.35223402  0.89491570  1.0
  Os  Os17  1  0.37429113  0.87199503  0.62613059  1.0
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