Tb10Os3Rh

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-3294479 · Space group: P1 (#1)

Materials Project API

Basic Information

Formula

Tb10Os3Rh

MP-ID

mp-3294479

Elements

Sites

Density

10.2891

g/cm³

Volume

365.20

Å³

Cell a

6.4328

Cell b

7.2921

Cell c

8.4722

α Angle

96.69

β Angle

112.15

γ Angle

89.93

Space Group

Point Group

Crystal System

Triclinic

Bravais Lattice

Stability

Yes

Packing Fraction

X-ray Diffraction

Diffraction Pattern

Target / Radiation

X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å

Diffraction Peaks (Top 24)

2θ	d (Å)	I	hkl
11.37	7.7853	18.8	(0,0,1)
12.23	7.2346	5.5	(0,1,0)
14.88	5.9518	3.0	(1,0,0)
14.92	5.9390	15.2	(1,0,-1)
15.64	5.6655	3.7	(0,1,-1)
17.75	4.9966	2.4	(0,1,1)
18.86	4.7054	4.4	(1,1,-1)
18.86	4.7048	2.6	(1,-1,0)
19.75	4.4950	63.2	(1,1,0)
19.80	4.4834	65.9	(1,-1,-1)
21.97	4.0454	2.7	(1,0,1)
22.85	3.8927	15.7	(0,0,2)
24.15	3.6860	10.0	(1,-1,1)
24.18	3.6802	9.5	(1,1,-2)
25.83	3.4498	1.5	(0,2,-1)
26.26	3.3939	1.8	(1,1,1)
26.34	3.3841	2.5	(1,-1,-2)
28.25	3.1592	43.7	(1,2,-1)
28.27	3.1569	37.6	(1,-2,0)
28.48	3.1338	20.4	(0,2,1)
29.49	3.0293	19.0	(1,2,0)
29.54	3.0239	8.1	(1,-2,-1)
30.03	2.9759	8.7	(2,0,0)
30.09	2.9695	6.1	(2,0,-2)

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Energy Properties

Formation Energy/atom

-0.40515

eV/atom

Energy/atom

-35.78774

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-35.7877

eV/atom

Volume/atom

26.09

Å³

c/a Ratio

1.3170

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.0260

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.000070

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Tb · 0.714

Element Family

Lanthanide

Solute Fraction

0.286

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

0.7589

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

6.3098

J/mol·K

Ω Parameter

0.0000

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

11.122%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.5063

smaller = more stable mixing

VEC

8.786

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

0.000

kJ/mol; negative = exothermic mixing

Entropy Norm

0.6908

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.669

Family

Tb-rich Multi-Component

Matrix Element

Tb · 0.714

Related Tasks

Related computation task IDs (1)

aaahflmt

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-3294479

Reference Citation

The crystal structure and related material properties of Tb10Os3Rh were obtained from the Materials Project database (MP-ID: mp-3294479, 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…

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Raw CIF Data

# generated using pymatgen
data_Tb10Os3Rh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.43282087
_cell_length_b   7.29205177
_cell_length_c   8.47220545
_cell_angle_alpha   96.69075777
_cell_angle_beta   112.14614898
_cell_angle_gamma   89.93244186
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tb10Os3Rh
_chemical_formula_sum   'Tb10 Os3 Rh1'
_cell_volume   365.19694693
_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
  Tb  Tb0  1  0.97405927  0.91328463  0.18137502  1.0
  Tb  Tb1  1  0.79198850  0.58510295  0.81669626  1.0
  Tb  Tb2  1  0.01959846  0.08478986  0.81037289  1.0
  Tb  Tb3  1  0.20525055  0.41499426  0.18092189  1.0
  Tb  Tb4  1  0.64834849  0.81532982  0.43664910  1.0
  Tb  Tb5  1  0.21297666  0.68258254  0.56351368  1.0
  Tb  Tb6  1  0.35239989  0.18383106  0.56760281  1.0
  Tb  Tb7  1  0.79348259  0.32051717  0.43793761  1.0
  Tb  Tb8  1  0.42286145  0.74774765  0.99846142  1.0
  Tb  Tb9  1  0.57662640  0.25074306  0.99966564  1.0
  Os  Os10  1  0.82572261  0.57538048  0.21906957  1.0
  Os  Os11  1  0.60621161  0.92614849  0.78075627  1.0
  Os  Os12  1  0.17407411  0.42409535  0.78244915  1.0
  Rh  Rh13  1  0.39639943  0.07545067  0.22452769  1.0

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