HoGa

Traditional Materials TRA

MP-ID: mp-1018073 · Space group: Cmcm (#63)

Materials Project API

Basic Information

Formula

HoGa

MP-ID

mp-1018073

Elements

Sites

Density

8.3800

g/cm³

Volume

93.00

Å³

Cell a

4.0248

Cell b

4.3010

Cell c

5.7865

α Angle

111.82

β Angle

90.00

γ Angle

90.00

Space Group

Cmcm

Point Group

mmm

Crystal System

Orthorhombic

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
16.50	5.3721	1.1	(0,0,1)
22.26	3.9930	7.2	(0,1,-1)
27.69	3.2211	28.0	(1,0,1)
31.56	2.8347	100.0	(1,1,-1)
32.53	2.7522	21.2	(0,1,-2)
32.53	2.7522	21.2	(0,1,1)
33.36	2.6860	26.9	(0,0,2)
39.67	2.2718	25.6	(1,1,-2)
39.67	2.2718	25.6	(1,1,1)
40.37	2.2342	16.0	(1,0,2)
42.01	2.1505	25.5	(0,2,-1)
45.05	2.0124	20.9	(2,0,0)
50.81	1.7971	1.7	(2,1,-1)
51.07	1.7885	5.4	(1,2,-2)
51.07	1.7885	5.4	(1,2,0)
52.78	1.7346	5.0	(1,1,-3)
52.78	1.7346	5.0	(1,1,2)
54.67	1.6788	6.6	(0,2,-3)
54.67	1.6788	6.6	(0,2,1)
56.22	1.6361	10.3	(1,0,3)
56.66	1.6245	8.8	(2,1,-2)
56.66	1.6245	8.8	(2,1,1)
57.20	1.6105	11.5	(2,0,2)
59.68	1.5494	5.0	(1,2,-3)

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Energy Properties

Formation Energy/atom

-0.62072

eV/atom

Energy/atom

-4.43360

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-22.9074

eV/atom

Volume/atom

23.25

Å³

c/a Ratio

1.4377

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

0.4429

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.004760

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Ho · 0.500

Element Family

N/A

Solute Fraction

0.500

Interstitial Fraction

0.000

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.624

Family

Binary Alloy

Matrix Element

Ho · 0.500

Related Tasks

Related computation task IDs (5)

aaaciocn aaaeikku aaaeuoib aaafagqr aaafbwgv

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1018073

Reference Citation

The crystal structure and related material properties of HoGa were obtained from the Materials Project database (MP-ID: mp-1018073, 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_HoGa
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.02480726
_cell_length_b   4.30103656
_cell_length_c   5.78652173
_cell_angle_alpha   111.81697036
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HoGa
_chemical_formula_sum   'Ho2 Ga2'
_cell_volume   92.99500398
_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  0.25000000  0.13885026  0.27769953  1.0
  Ho  Ho1  1  0.75000000  0.86114974  0.72230047  1.0
  Ga  Ga2  1  0.25000000  0.42453776  0.84907452  1.0
  Ga  Ga3  1  0.75000000  0.57546224  0.15092548  1.0

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