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HEAS Data Platform · Materials Science Database

MP-ID: mp-999317 · Space group: Pmn2_1 (#31)

Basic Information

Formula
OsN
MP-ID
mp-999317
Elements
2
Sites
4
Density
15.2998
g/cm³
Volume
44.33
ų
Cell a
2.7887
Å
Cell b
3.7323
Å
Cell c
4.2595
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
Pmn2_1
Point Group
mm2
Crystal System
Orthorhombic
Bravais Lattice
oP
Stability
No
Packing Fraction
-

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
23.84 3.7323 59.8 (0,1,0)
31.88 2.8071 87.5 (0,1,1)
38.59 2.3331 100.0 (1,0,1)
40.37 2.2340 41.7 (1,1,0)
42.44 2.1298 32.9 (0,0,2)
45.87 1.9784 48.2 (1,1,1)
49.26 1.8498 22.2 (0,1,2)
53.62 1.7093 37.9 (0,2,1)
59.61 1.5509 29.5 (1,2,0)
60.02 1.5415 33.8 (1,1,2)
63.88 1.4573 1.1 (1,2,1)
67.13 1.3943 10.6 (2,0,0)
71.03 1.3271 10.2 (0,1,3)
72.35 1.3062 6.0 (2,1,0)
75.08 1.2653 12.9 (1,0,3)
75.89 1.2537 24.5 (1,2,2)
76.25 1.2488 15.0 (2,1,1)
76.58 1.2441 4.3 (0,3,0)
80.08 1.1983 10.7 (1,1,3)
80.41 1.1942 3.2 (0,3,1)
82.73 1.1666 10.2 (2,0,2)
85.46 1.1362 2.7 (1,3,0)
86.04 1.1300 9.2 (0,2,3)
87.64 1.1134 8.8 (2,1,2)
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Energy Properties

Formation Energy/atom
0.23952
eV/atom
Energy/atom
-30.81747
eV/atom
Energy above Hull
0.2395
eV/atom
Uncorrected Energy
-9.3619
eV/atom
Volume/atom
11.08
ų
c/a Ratio
1.5274

Electronic Properties

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

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0000
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000000
μB/ų

Elastic Properties

KVRH
319.999
GPa
GVRH
197.237
GPa
Young's Modulus E
490.861
GPa
Poisson Ratio ν
0.244
Pugh Ratio K/G
1.622
Vickers Hardness Est.
-
GPa
Ductility
Ductile
Anisotropy
0.287
Lame λ
188.508
GPa

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Os · 0.500
Element Family
N/A
Solute Fraction
0.500
Interstitial Fraction
0.500
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.465
Family
Binary Alloy
Matrix Element
Os · 0.500

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-999317
Reference Citation

The crystal structure and related material properties of OsN were obtained from the Materials Project database (MP-ID: mp-999317, 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

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_OsN
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.78864700
_cell_length_b   3.73228400
_cell_length_c   4.25949900
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   OsN
_chemical_formula_sum   'Os2 N2'
_cell_volume   44.33296177
_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
  Os  Os0  1  0.50000000  0.13726500  0.39482000  1.0
  Os  Os1  1  0.00000000  0.86273500  0.89482000  1.0
  N  N2  1  0.50000000  0.65067400  0.19518000  1.0
  N  N3  1  0.00000000  0.34932600  0.69518000  1.0
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