U
传统材料 TRAMP-ID: mp-1008669 · Space group: Fm-3m (#225)
Basic Information
Formula
U
MP-ID
mp-1008669
Elements
1
Sites
1
Density
19.7754
g/cm³
Volume
19.99
ų
Cell a
3.0462
Å
Cell b
3.0462
Å
Cell c
3.0462
Å
α Angle
60.00
°
β Angle
60.00
°
γ Angle
60.00
°
Space Group
Fm-3m
Point Group
m-3m
Crystal System
Cubic
Bravais Lattice
cF
Stability
No
Packing Fraction
0.7405
X-ray Diffraction
Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 5)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 36.11 | 2.4872 | 100.0 | (1,1,1) |
| 41.94 | 2.1540 | 50.0 | (1,1,0) |
| 60.82 | 1.5231 | 34.6 | (2,1,1) |
| 72.81 | 1.2989 | 42.1 | (2,2,1) |
| 76.62 | 1.2436 | 12.3 | (2,2,2) |
Energy Properties
Formation Energy/atom
0.37158
eV/atom
Energy/atom
-79.57046
eV/atom
Energy above Hull
0.3716
eV/atom
Uncorrected Energy
-10.9198
eV/atom
Volume/atom
19.99
ų
c/a Ratio
1.0000
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
0.3107
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.015550
μB/ų
Elastic Properties
KVRH
110.797
GPa
GVRH
58.014
GPa
Young's Modulus E
148.179
GPa
Poisson Ratio ν
0.277
Pugh Ratio K/G
1.910
Vickers Hardness Est.
-
GPa
Ductility
Brittle
Anisotropy
-4.920
Lame λ
72.121
GPa
Feature Analysis
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
U · 1.000
Element Family
N/A
Solute Fraction
0.000
Interstitial Fraction
0.000
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.373
Family
Pure Metal
Matrix Element
U · 1.000
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1008669
Reference Citation
The crystal structure and related material properties of U were obtained from the Materials Project database (MP-ID: mp-1008669, 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
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Raw CIF Data
# generated using pymatgen
data_U
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 3.04618255
_cell_length_b 3.04618255
_cell_length_c 3.04618255
_cell_angle_alpha 60.00000000
_cell_angle_beta 60.00000000
_cell_angle_gamma 60.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural U
_chemical_formula_sum U1
_cell_volume 19.98723788
_cell_formula_units_Z 1
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
U U0 1 0.00000000 -0.00000000 -0.00000000 1.0
