Ho5Rh3

Traditional Materials TRA

MP-ID: mp-30734 · Space group: P6_3/mcm (#193)

Materials Project API

Basic Information

Formula

Ho5Rh3

MP-ID

mp-30734

Elements

Sites

Density

10.4037

g/cm³

Volume

361.80

Å³

Cell a

8.1794

Cell b

8.1794

Cell c

6.2444

α Angle

90.00

β Angle

90.00

γ Angle

120.00

Space Group

P6_3/mcm

Point Group

6/mmm

Crystal System

Hexagonal

Bravais Lattice

Stability

Packing Fraction

0.7405

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
12.50	7.0836	8.0	(1,0,-1,0)
25.14	3.5418	8.4	(2,0,-2,0)
26.05	3.4212	1.9	(1,1,-2,1)
26.05	3.4212	3.8	(2,-1,-1,1)
28.59	3.1222	17.9	(0,0,0,2)
31.31	2.8570	23.7	(1,0,-1,2)
33.47	2.6773	5.6	(1,2,-3,0)
33.47	2.6773	28.2	(3,-1,-2,0)
36.20	2.4817	100.0	(2,-1,-1,2)
36.52	2.4607	98.7	(3,-1,-2,1)
38.11	2.3612	34.9	(3,0,-3,0)
38.11	2.3612	17.5	(3,-3,0,0)
38.44	2.3421	5.4	(2,0,-2,2)
44.30	2.0449	1.1	(4,-2,-2,0)
46.74	1.9433	1.7	(4,-2,-2,1)
48.58	1.8741	1.9	(1,3,-4,1)
48.58	1.8741	9.3	(4,-1,-3,1)
49.11	1.8550	1.1	(2,-1,-1,3)
51.61	1.7709	2.8	(4,0,-4,0)
53.57	1.7106	7.4	(2,2,-4,2)
53.57	1.7106	14.9	(4,-2,-2,2)
55.24	1.6628	5.9	(4,-1,-3,2)
55.96	1.6433	28.7	(3,-1,-2,3)
56.64	1.6251	1.5	(5,-2,-3,0)

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Energy Properties

Formation Energy/atom

-0.72680

eV/atom

Energy/atom

-6.36197

eV/atom

Energy above Hull

0.0117

eV/atom

Uncorrected Energy

-30.3882

eV/atom

Volume/atom

22.61

Å³

c/a Ratio

0.7634

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

1.1915

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.003290

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Ho · 0.625

Element Family

N/A

Solute Fraction

0.375

Interstitial Fraction

0.000

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.672

Family

Binary Alloy

Matrix Element

Ho · 0.625

Related Tasks

Related computation task IDs (5)

aaadnmbi aaadrmdv aaaekwam aaaetotb aaafwzvx

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-30734

Reference Citation

The crystal structure and related material properties of Ho5Rh3 were obtained from the Materials Project database (MP-ID: mp-30734, 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_Ho5Rh3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.17937932
_cell_length_b   8.17937968
_cell_length_c   6.24441590
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   119.99999434
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ho5Rh3
_chemical_formula_sum   'Ho10 Rh6'
_cell_volume   361.79552830
_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
  Ho  Ho0  1  0.00000000  0.74617527  0.75000000  1.0
  Ho  Ho1  1  -0.00000000  0.25382473  0.25000000  1.0
  Ho  Ho2  1  0.74617527  0.74617527  0.25000000  1.0
  Ho  Ho3  1  0.74617527  0.00000000  0.75000000  1.0
  Ho  Ho4  1  0.25382473  0.25382473  0.75000000  1.0
  Ho  Ho5  1  0.25382473  -0.00000000  0.25000000  1.0
  Ho  Ho6  1  0.33333300  0.66666700  0.50000000  1.0
  Ho  Ho7  1  0.66666700  0.33333300  -0.00000000  1.0
  Ho  Ho8  1  0.66666700  0.33333300  0.50000000  1.0
  Ho  Ho9  1  0.33333300  0.66666700  -0.00000000  1.0
  Rh  Rh10  1  0.39558728  0.00000000  0.75000000  1.0
  Rh  Rh11  1  0.39558728  0.39558728  0.25000000  1.0
  Rh  Rh12  1  -0.00000000  0.60441272  0.25000000  1.0
  Rh  Rh13  1  0.00000000  0.39558728  0.75000000  1.0
  Rh  Rh14  1  0.60441272  0.60441272  0.75000000  1.0
  Rh  Rh15  1  0.60441272  -0.00000000  0.25000000  1.0

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