Basic Information
Formula
Ho(Ge2Rh3)2
MP-ID
mp-1095528
Elements
3
Sites
11
Density
10.5565
g/cm³
Volume
168.77
ų
Cell a
7.1526
Å
Cell b
7.1526
Å
Cell c
3.8093
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
120.00
°
Space Group
P-6m2
Point Group
-6m2
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 |
|---|---|---|---|
| 14.30 | 6.1943 | 1.3 | (1,0,-1,0) |
| 24.90 | 3.5763 | 1.3 | (2,-1,-1,0) |
| 27.49 | 3.2448 | 4.7 | (1,0,-1,1) |
| 28.83 | 3.0972 | 8.0 | (2,0,-2,0) |
| 34.40 | 2.6073 | 13.2 | (1,1,-2,1) |
| 34.40 | 2.6073 | 26.4 | (2,-1,-1,1) |
| 37.42 | 2.4031 | 100.0 | (2,0,-2,1) |
| 37.42 | 2.4031 | 50.0 | (2,-2,0,1) |
| 38.45 | 2.3412 | 33.8 | (3,-1,-2,0) |
| 38.45 | 2.3412 | 16.9 | (3,-2,-1,0) |
| 43.85 | 2.0648 | 7.9 | (3,0,-3,0) |
| 43.85 | 2.0648 | 4.0 | (3,-3,0,0) |
| 45.47 | 1.9946 | 14.7 | (2,1,-3,1) |
| 45.47 | 1.9946 | 29.5 | (3,-1,-2,1) |
| 47.75 | 1.9047 | 36.3 | (0,0,0,2) |
| 50.26 | 1.8153 | 20.9 | (3,0,-3,1) |
| 51.08 | 1.7881 | 39.6 | (4,-2,-2,0) |
| 56.74 | 1.6224 | 2.4 | (2,0,-2,2) |
| 58.98 | 1.5661 | 12.6 | (4,-1,-3,1) |
| 59.71 | 1.5486 | 2.0 | (4,0,-4,0) |
| 62.90 | 1.4775 | 23.6 | (3,-1,-2,2) |
| 65.01 | 1.4346 | 9.0 | (4,0,-4,1) |
| 65.71 | 1.4211 | 4.3 | (5,-2,-3,0) |
| 66.83 | 1.4000 | 4.4 | (3,0,-3,2) |
Energy Properties
Formation Energy/atom
-0.73659
eV/atom
Energy/atom
-6.85256
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-21.9821
eV/atom
Volume/atom
15.34
ų
c/a Ratio
0.5326
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
0.0002
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
Rh · 0.545
Element Family
N/A
Solute Fraction
0.455
Interstitial Fraction
0.000
ROM Blended-Feature Radar
Rating & Classification
Tier
B
Score
0.550
Family
Rh-rich Multi-Component
Matrix Element
Rh · 0.545
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1095528
Reference Citation
The crystal structure and related material properties of Ho(Ge2Rh3)2 were obtained from the Materials Project database (MP-ID: mp-1095528, 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_Ho(Ge2Rh3)2
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 7.15255506
_cell_length_b 7.15255506
_cell_length_c 3.80930749
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 119.99999595
_symmetry_Int_Tables_number 1
_chemical_formula_structural Ho(Ge2Rh3)2
_chemical_formula_sum 'Ho1 Ge4 Rh6'
_cell_volume 168.77149587
_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
Ho Ho0 1 0.00000000 0.00000000 0.00000000 1.0
Ge Ge1 1 0.80337551 0.19662449 0.50000000 1.0
Ge Ge2 1 0.80337551 0.60675102 0.50000000 1.0
Ge Ge3 1 0.39324898 0.19662449 0.50000000 1.0
Ge Ge4 1 0.33333300 0.66666700 0.00000000 1.0
Rh Rh5 1 0.53332476 0.46667524 0.00000000 1.0
Rh Rh6 1 0.53332476 0.06664952 0.00000000 1.0
Rh Rh7 1 0.93335048 0.46667524 0.00000000 1.0
Rh Rh8 1 0.19842108 0.80157892 0.50000000 1.0
Rh Rh9 1 0.19842108 0.39684317 0.50000000 1.0
Rh Rh10 1 0.60315683 0.80157892 0.50000000 1.0
