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HEAS Data Platform · Materials Science Database

MP-ID: mp-999307 · Space group: P4_2/mmc (#131)

Basic Information

Formula
OsN
MP-ID
mp-999307
Elements
2
Sites
4
Density
15.1583
g/cm³
Volume
44.75
ų
Cell a
2.6947
Å
Cell b
2.6947
Å
Cell c
6.1624
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
P4_2/mmc
Point Group
4/mmm
Crystal System
Tetragonal
Bravais Lattice
tP
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 11)
2θd (Å)Ihkl
28.98 3.0812 38.5 (0,0,2)
36.39 2.4689 100.0 (1,0,1)
47.73 1.9054 20.6 (1,1,0)
56.32 1.6336 28.9 (1,0,3)
56.81 1.6206 31.4 (1,1,2)
60.05 1.5406 6.6 (0,0,4)
69.81 1.3473 8.4 (2,0,0)
77.29 1.2345 10.5 (2,0,2)
80.11 1.1980 9.6 (1,1,4)
81.36 1.1827 20.4 (2,1,1)
86.92 1.1208 8.8 (1,0,5)
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Energy Properties

Formation Energy/atom
0.44964
eV/atom
Energy/atom
-30.60735
eV/atom
Energy above Hull
0.4496
eV/atom
Uncorrected Energy
-9.1518
eV/atom
Volume/atom
11.19
ų
c/a Ratio
2.2869

Electronic Properties

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

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0001
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000000
μB/ų

Elastic Properties

KVRH
329.587
GPa
GVRH
170.722
GPa
Young's Modulus E
436.755
GPa
Poisson Ratio ν
0.279
Pugh Ratio K/G
1.931
Vickers Hardness Est.
-
GPa
Ductility
Brittle
Anisotropy
0.585
Lame λ
215.772
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
0.424
Family
Binary Alloy
Matrix Element
Os · 0.500

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-999307
Reference Citation

The crystal structure and related material properties of OsN were obtained from the Materials Project database (MP-ID: mp-999307, 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   2.69466700
_cell_length_b   2.69466700
_cell_length_c   6.16241500
_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   44.74671415
_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  0.00000000  0.50000000  1.0
  Os  Os1  1  0.00000000  0.50000000  0.00000000  1.0
  N  N2  1  0.00000000  0.00000000  0.75000000  1.0
  N  N3  1  0.00000000  0.00000000  0.25000000  1.0
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