ErP
传统材料 TRAMP-ID: mp-1002224 · Space group: Pm-3m (#221)
Basic Information
Formula
ErP
MP-ID
mp-1002224
Elements
2
Sites
2
Density
8.1095
g/cm³
Volume
40.59
ų
Cell a
3.4367
Å
Cell b
3.4367
Å
Cell c
3.4367
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
Pm-3m
Point Group
m-3m
Crystal System
Cubic
Bravais Lattice
cP
Stability
No
Packing Fraction
0.5236
X-ray Diffraction
Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 8)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 25.93 | 3.4367 | 58.3 | (1,0,0) |
| 36.99 | 2.4301 | 100.0 | (1,1,0) |
| 45.73 | 1.9842 | 17.8 | (1,1,1) |
| 53.31 | 1.7184 | 17.4 | (2,0,0) |
| 60.21 | 1.5370 | 23.8 | (2,1,0) |
| 66.66 | 1.4030 | 35.5 | (2,1,1) |
| 78.76 | 1.2151 | 11.2 | (2,2,0) |
| 84.59 | 1.1456 | 11.6 | (3,0,0) |
Energy Properties
Formation Energy/atom
-1.28853
eV/atom
Energy/atom
-22.75228
eV/atom
Energy above Hull
0.5537
eV/atom
Uncorrected Energy
-6.0456
eV/atom
Volume/atom
20.30
ų
c/a Ratio
1.0000
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
No
Total Mag. Moment
0.0016
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000040
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Er · 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
Er · 0.500
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1002224
Reference Citation
The crystal structure and related material properties of ErP were obtained from the Materials Project database (MP-ID: mp-1002224, 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_ErP
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 3.43671600
_cell_length_b 3.43671600
_cell_length_c 3.43671600
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural ErP
_chemical_formula_sum 'Er1 P1'
_cell_volume 40.59111064
_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
Er Er0 1 0.00000000 0.00000000 0.00000000 1.0
P P1 1 0.50000000 0.50000000 0.50000000 1.0
