Ho7Rh3

Traditional Materials TRA

MP-ID: mp-1106336 · Space group: P6_3mc (#186)

Materials Project API

Basic Information

Formula

Ho7Rh3

MP-ID

mp-1106336

Elements

Sites

Density

9.7103

g/cm³

Volume

500.45

Å³

Cell a

6.1372

Cell b

9.7037

Cell c

9.7037

α Angle

120.00

β Angle

90.00

γ Angle

90.00

Space Group

P6_3mc

Point Group

6mm

Crystal System

Hexagonal

Bravais Lattice

Stability

Yes

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
17.90	4.9563	4.8	(1,-1,0,1)
17.90	4.9562	9.6	(1,0,-1,1)
18.29	4.8519	2.3	(0,2,-2,-1)
18.29	4.8516	1.1	(0,1,-1,1)
25.70	3.4670	2.5	(1,0,-1,2)
28.09	3.1763	12.2	(0,3,-3,-2)
28.09	3.1762	12.2	(0,3,-3,-1)
28.09	3.1761	12.2	(0,2,-2,1)
29.10	3.0686	7.3	(2,0,-2,0)
31.03	2.8825	41.5	(2,-1,-1,1)
31.03	2.8825	83.1	(2,0,-2,1)
31.72	2.8209	97.3	(1,-2,1,3)
31.72	2.8209	97.3	(1,1,-2,-3)
31.72	2.8208	97.3	(1,-2,1,-1)
31.95	2.8013	16.3	(0,3,-3,-3)
31.95	2.8011	32.5	(0,3,-3,0)
34.59	2.5934	15.5	(2,-1,-1,2)
34.59	2.5934	7.8	(2,1,-3,1)
35.22	2.5484	50.0	(1,-3,2,3)
35.22	2.5482	100.0	(1,0,-1,3)
36.25	2.4781	19.6	(2,-2,0,2)
36.25	2.4781	19.6	(2,2,-4,-2)
36.25	2.4781	78.4	(2,0,-2,2)
37.06	2.4259	63.3	(0,4,-4,-2)

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Energy Properties

Formation Energy/atom

-0.62057

eV/atom

Energy/atom

-6.04824

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-30.9350

eV/atom

Volume/atom

25.02

Å³

c/a Ratio

1.5811

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

0.0000

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.000000

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Ho · 0.700

Element Family

N/A

Solute Fraction

0.300

Interstitial Fraction

0.000

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.723

Family

Binary Alloy

Matrix Element

Ho · 0.700

Related Tasks

Related computation task IDs (5)

aaadmdqe aaadrhot aaaelaeb aaaetueq aaafygum

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1106336

Reference Citation

The crystal structure and related material properties of Ho7Rh3 were obtained from the Materials Project database (MP-ID: mp-1106336, 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_Ho7Rh3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.13723352
_cell_length_b   9.70369181
_cell_length_c   9.70369181
_cell_angle_alpha   120.00369782
_cell_angle_beta   89.99999384
_cell_angle_gamma   90.00000616
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ho7Rh3
_chemical_formula_sum   'Ho14 Rh6'
_cell_volume   500.45045214
_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  0.46064328  0.33333339  0.66666661  1.0
  Ho  Ho1  1  0.96064228  0.66666661  0.33333339  1.0
  Ho  Ho2  1  0.25465115  0.12379855  0.87620145  1.0
  Ho  Ho3  1  0.25471256  0.75241091  0.87622631  1.0
  Ho  Ho4  1  0.25471256  0.12377369  0.24758909  1.0
  Ho  Ho5  1  0.75465115  0.87620145  0.12379855  1.0
  Ho  Ho6  1  0.75471256  0.24758909  0.12377269  1.0
  Ho  Ho7  1  0.75471256  0.87622731  0.75241091  1.0
  Ho  Ho8  1  0.44447029  0.54136660  0.45863340  1.0
  Ho  Ho9  1  0.44427851  0.91722690  0.45864169  1.0
  Ho  Ho10  1  0.44427851  0.54135831  0.08277310  1.0
  Ho  Ho11  1  0.94447029  0.45863340  0.54136660  1.0
  Ho  Ho12  1  0.94427851  0.08277310  0.54135831  1.0
  Ho  Ho13  1  0.94427851  0.45864169  0.91722690  1.0
  Rh  Rh14  1  0.18103216  0.81038920  0.18961080  1.0
  Rh  Rh15  1  0.18111249  0.37920500  0.18967234  1.0
  Rh  Rh16  1  0.18111249  0.81032766  0.62079500  1.0
  Rh  Rh17  1  0.68103216  0.18961080  0.81038920  1.0
  Rh  Rh18  1  0.68111249  0.62079500  0.81032766  1.0
  Rh  Rh19  1  0.68111249  0.18967234  0.37920500  1.0

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