Dy2Ge5Rh3

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-866028 · Space group: C2/c (#15)

Materials Project API

Basic Information

Formula

Dy2Ge5Rh3

MP-ID

mp-866028

Elements

Sites

Density

9.3939

g/cm³

Volume

352.45

Å³

Cell a

8.2816

Cell b

8.2816

Cell c

5.8729

α Angle

70.62

β Angle

70.62

γ Angle

92.97

Space Group

C2/c

Point Group

2/m

Crystal System

Monoclinic

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
22.76	3.9076	3.2	(1,-1,1)
23.16	3.8409	1.6	(2,0,0)
23.20	3.8332	2.7	(2,0,1)
23.94	3.7167	7.8	(2,-1,0)
27.80	3.2096	1.5	(2,1,0)
29.75	3.0029	19.2	(2,-2,0)
30.46	2.9344	19.6	(1,1,2)
32.14	2.7852	1.6	(2,-1,-1)
32.34	2.7680	3.3	(1,0,2)
32.79	2.7314	2.0	(3,0,1)
32.99	2.7151	6.2	(2,1,2)
33.90	2.6440	52.8	(2,0,-1)
34.00	2.6365	1.6	(2,0,2)
34.58	2.5936	2.9	(2,-2,1)
34.83	2.5756	60.6	(3,1,1)
34.86	2.5738	76.8	(3,-1,0)
34.87	2.5729	56.8	(0,0,2)
34.89	2.5715	4.4	(3,-1,1)
35.04	2.5606	7.7	(3,0,0)
35.95	2.4981	13.7	(2,2,0)
36.08	2.4897	39.2	(2,2,2)
38.54	2.3358	3.6	(3,-2,0)
38.83	2.3189	6.2	(2,-1,2)
39.39	2.2877	11.3	(2,1,-1)

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Energy Properties

Formation Energy/atom

-0.78073

eV/atom

Energy/atom

-6.22521

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-21.4145

eV/atom

Volume/atom

17.62

Å³

c/a Ratio

0.7092

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.4162

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.001180

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Ge · 0.500

Element Family

PostTransition-Noble

Solute Fraction

0.500

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

1.0297

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

8.5605

J/mol·K

Ω Parameter

10.6987

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

13.836%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.3752

smaller = more stable mixing

VEC

6.700

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

1.290

kJ/mol; negative = exothermic mixing

Entropy Norm

0.9372

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.480

Family

Ge-rich Multi-Component

Matrix Element

Ge · 0.500

Related Tasks

Related computation task IDs (5)

aaachzyi aaadrbxv aaaeskmx aaafwurp aaagaaal

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-866028

Reference Citation

The crystal structure and related material properties of Dy2Ge5Rh3 were obtained from the Materials Project database (MP-ID: mp-866028, 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_Dy2Ge5Rh3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.28160489
_cell_length_b   8.28160489
_cell_length_c   5.87292205
_cell_angle_alpha   70.61847885
_cell_angle_beta   70.61847885
_cell_angle_gamma   92.97222402
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Dy2Ge5Rh3
_chemical_formula_sum   'Dy4 Ge10 Rh6'
_cell_volume   352.44670604
_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
  Dy  Dy0  1  0.59304683  0.86638894  0.76822488  1.0
  Dy  Dy1  1  0.13361106  0.40695317  0.73177512  1.0
  Dy  Dy2  1  0.40695317  0.13361106  0.23177512  1.0
  Dy  Dy3  1  0.86638894  0.59304683  0.26822488  1.0
  Ge  Ge4  1  0.49146693  0.50853307  0.75000000  1.0
  Ge  Ge5  1  0.50853307  0.49146693  0.25000000  1.0
  Ge  Ge6  1  0.78846478  0.21153522  0.75000000  1.0
  Ge  Ge7  1  0.21153522  0.78846478  0.25000000  1.0
  Ge  Ge8  1  0.26315705  0.07024479  0.83318294  1.0
  Ge  Ge9  1  0.92975521  0.73684295  0.66681706  1.0
  Ge  Ge10  1  0.73684295  0.92975521  0.16681706  1.0
  Ge  Ge11  1  0.07024479  0.26315705  0.33318294  1.0
  Ge  Ge12  1  0.22230237  0.77769763  0.75000000  1.0
  Ge  Ge13  1  0.77769763  0.22230237  0.25000000  1.0
  Rh  Rh14  1  0.54079208  0.25615937  0.61864481  1.0
  Rh  Rh15  1  0.74384063  0.45920792  0.88135519  1.0
  Rh  Rh16  1  0.45920792  0.74384063  0.38135519  1.0
  Rh  Rh17  1  0.25615937  0.54079208  0.11864481  1.0
  Rh  Rh18  1  0.99837714  0.00162286  0.75000000  1.0
  Rh  Rh19  1  0.00162286  0.99837714  0.25000000  1.0

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