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HEAS Data Platform · Materials Science Database

MP-ID: mp-31421 · Space group: P6_3mc (#186)

Basic Information

Formula
PrAgSn
MP-ID
mp-31421
Elements
3
Sites
6
Density
7.8603
g/cm³
Volume
155.27
ų
Cell a
4.8025
Å
Cell b
4.8025
Å
Cell c
7.7733
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
120.00
°
Space Group
P6_3mc
Point Group
6mm
Crystal System
Hexagonal
Bravais Lattice
hP
Stability
Yes
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 24)
2θd (Å)Ihkl
21.36 4.1591 1.4 (1,0,-1,0)
22.88 3.8867 4.1 (0,0,0,2)
24.27 3.6672 12.7 (1,0,-1,1)
31.50 2.8397 50.0 (1,0,-1,2)
31.50 2.8397 100.0 (1,-1,0,2)
37.45 2.4013 74.6 (2,-1,-1,0)
37.45 2.4013 37.3 (1,-2,1,0)
41.04 2.1992 23.8 (1,0,-1,3)
44.34 2.0428 2.8 (2,-1,-1,2)
44.34 2.0428 1.4 (1,-2,1,2)
45.13 2.0089 1.6 (2,-2,0,1)
46.74 1.9433 9.9 (0,0,0,4)
49.72 1.8336 13.9 (2,0,-2,2)
49.72 1.8336 27.8 (2,-2,0,2)
51.94 1.7606 1.4 (1,0,-1,4)
51.94 1.7606 2.7 (1,-1,0,4)
56.76 1.6218 3.0 (2,0,-2,3)
56.76 1.6218 6.1 (2,-2,0,3)
61.37 1.5106 17.6 (2,-1,-1,4)
61.37 1.5106 8.8 (1,-2,1,4)
63.88 1.4573 13.1 (3,-1,-2,2)
63.88 1.4573 13.1 (3,-2,-1,2)
63.88 1.4573 13.1 (2,-3,1,2)
63.93 1.4563 12.2 (1,0,-1,5)
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Energy Properties

Formation Energy/atom
-0.61305
eV/atom
Energy/atom
-4.49571
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-25.8608
eV/atom
Volume/atom
25.88
ų
c/a Ratio
1.6186

Electronic Properties

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

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
0.0000
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.000000
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Pr · 0.333
Element Family
N/A
Solute Fraction
0.667
Interstitial Fraction
0.000
ROM Blended-Feature Radar
Rating & Classification
Tier
C
Score
0.430
Family
Pr-rich Multi-Component
Matrix Element
Pr · 0.333

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-31421
Reference Citation

The crystal structure and related material properties of PrAgSn were obtained from the Materials Project database (MP-ID: mp-31421, 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_PrAgSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.80254184
_cell_length_b   4.80254048
_cell_length_c   7.77330122
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   119.99998817
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PrAgSn
_chemical_formula_sum   'Pr2 Ag2 Sn2'
_cell_volume   155.26671764
_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
  Pr  Pr0  1  0.00000000  0.00000000  0.75107603  1.0
  Pr  Pr1  1  0.00000000  0.00000000  0.25107603  1.0
  Ag  Ag2  1  0.66666700  0.33333300  0.55208226  1.0
  Ag  Ag3  1  0.33333300  0.66666700  0.05208226  1.0
  Sn  Sn4  1  0.33333300  0.66666700  0.47184071  1.0
  Sn  Sn5  1  0.66666700  0.33333300  0.97184071  1.0
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