Basic Information
Formula
EuBPt4
MP-ID
mp-1103637
Elements
3
Sites
12
Density
15.7707
g/cm³
Volume
198.61
ų
Cell a
5.5013
Å
Cell b
5.5007
Å
Cell c
7.5786
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
120.00
°
Space Group
P6/mmm
Point Group
6/mmm
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)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 18.62 | 4.7642 | 22.4 | (1,0,-1,0) |
| 18.63 | 4.7640 | 22.4 | (1,-1,0,0) |
| 18.63 | 4.7636 | 22.4 | (0,1,-1,0) |
| 22.04 | 4.0334 | 1.4 | (1,0,-1,1) |
| 22.04 | 4.0333 | 1.4 | (1,-1,0,1) |
| 22.04 | 4.0331 | 1.4 | (0,1,-1,1) |
| 23.48 | 3.7893 | 7.5 | (0,0,0,2) |
| 30.13 | 2.9656 | 30.6 | (1,0,-1,2) |
| 30.13 | 2.9656 | 30.6 | (1,-1,0,2) |
| 30.14 | 2.9655 | 30.6 | (0,1,-1,2) |
| 32.55 | 2.7506 | 7.7 | (2,-1,-1,0) |
| 32.56 | 2.7504 | 7.7 | (1,1,-2,0) |
| 32.56 | 2.7503 | 7.7 | (1,-2,1,0) |
| 34.69 | 2.5856 | 29.6 | (2,-1,-1,1) |
| 34.70 | 2.5854 | 29.5 | (1,1,-2,1) |
| 34.70 | 2.5854 | 29.5 | (1,-2,1,1) |
| 35.54 | 2.5262 | 100.0 | (0,0,0,3) |
| 37.77 | 2.3821 | 77.9 | (2,0,-2,0) |
| 37.77 | 2.3820 | 77.9 | (2,-2,0,0) |
| 37.77 | 2.3818 | 77.9 | (0,2,-2,0) |
| 39.66 | 2.2725 | 25.8 | (2,0,-2,1) |
| 39.66 | 2.2724 | 25.8 | (2,-2,0,1) |
| 39.67 | 2.2722 | 25.8 | (0,2,-2,1) |
| 40.41 | 2.2319 | 20.4 | (1,0,-1,3) |
Energy Properties
Formation Energy/atom
-0.67813
eV/atom
Energy/atom
-7.55347
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-42.7370
eV/atom
Volume/atom
16.55
ų
c/a Ratio
1.3776
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
13.4510
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.067730
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Pt · 0.667
Element Family
5d-TM
Solute Fraction
0.333
Interstitial Fraction
0.167
Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
0.8676
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
7.2129
J/mol·K
Ω Parameter
1.4386
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
19.807%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.3945
smaller = more stable mixing
VEC
8.333
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
-9.704
kJ/mol; negative = exothermic mixing
Entropy Norm
0.7897
SS Former
0
Phase Tendency
IM
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1103637
Reference Citation
The crystal structure and related material properties of EuBPt4 were obtained from the Materials Project database (MP-ID: mp-1103637, 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
|
Drag to rotate · Scroll to zoom · Right-click to pan
Raw CIF Data
# generated using pymatgen
data_EuBPt4
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 5.50128419
_cell_length_b 5.50068031
_cell_length_c 7.57860179
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 120.00191113
_symmetry_Int_Tables_number 1
_chemical_formula_structural EuBPt4
_chemical_formula_sum 'Eu2 B2 Pt8'
_cell_volume 198.60576106
_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
Eu Eu0 1 0.00000000 -0.00000000 0.50000000 1.0
Eu Eu1 1 0.00000000 -0.00000000 0.00000000 1.0
B B2 1 0.66666235 0.33331213 0.50000000 1.0
B B3 1 0.33333765 0.66668787 0.50000000 1.0
Pt Pt4 1 0.50000000 0.50000000 0.69888580 1.0
Pt Pt5 1 0.50000000 -0.00000000 0.69895588 1.0
Pt Pt6 1 0.00000000 0.50000000 0.69888523 1.0
Pt Pt7 1 0.50000000 0.50000000 0.30111420 1.0
Pt Pt8 1 0.50000000 -0.00000000 0.30104412 1.0
Pt Pt9 1 0.00000000 0.50000000 0.30111477 1.0
Pt Pt10 1 0.66665122 0.33332771 -0.00000000 1.0
Pt Pt11 1 0.33334878 0.66667229 0.00000000 1.0
