Ho12Co7
Traditional Materials TRAMP-ID: mp-30969 · Space group: P2_1/c (#14)
Basic Information
Formula
Ho12Co7
MP-ID
mp-30969
Elements
2
Sites
38
Density
9.6303
g/cm³
Volume
824.80
ų
Cell a
11.1486
Å
Cell b
8.2407
Å
Cell c
10.9772
Å
α Angle
54.87
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
P2_1/c
Point Group
2/m
Crystal System
Monoclinic
Bravais Lattice
mP
Stability
Yes
Packing Fraction
-
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 |
|---|---|---|---|
| 12.66 | 6.9924 | 3.4 | (1,0,1) |
| 13.14 | 6.7396 | 2.7 | (0,1,0) |
| 22.06 | 4.0289 | 1.2 | (0,2,2) |
| 22.81 | 3.8989 | 3.3 | (2,1,2) |
| 23.48 | 3.7890 | 4.6 | (1,2,2) |
| 25.48 | 3.4962 | 3.4 | (2,0,2) |
| 25.93 | 3.4368 | 13.7 | (1,1,3) |
| 25.95 | 3.4337 | 6.2 | (3,0,1) |
| 26.07 | 3.4174 | 8.8 | (2,1,-1) |
| 26.41 | 3.3746 | 1.2 | (3,1,1) |
| 26.45 | 3.3698 | 48.9 | (0,2,0) |
| 27.43 | 3.2511 | 14.9 | (2,2,1) |
| 29.07 | 3.0713 | 32.6 | (3,1,2) |
| 29.46 | 3.0317 | 28.3 | (2,1,3) |
| 29.59 | 3.0194 | 2.4 | (0,1,-2) |
| 30.68 | 2.9144 | 16.7 | (1,1,-2) |
| 30.68 | 2.9138 | 5.2 | (2,2,3) |
| 30.94 | 2.8902 | 48.5 | (1,0,3) |
| 31.25 | 2.8625 | 1.7 | (3,0,2) |
| 31.74 | 2.8188 | 58.3 | (3,1,-1) |
| 32.79 | 2.7316 | 3.1 | (3,2,2) |
| 32.89 | 2.7233 | 71.5 | (3,2,1) |
| 33.67 | 2.6618 | 87.5 | (4,0,1) |
| 33.74 | 2.6566 | 42.2 | (1,3,2) |
Energy Properties
Formation Energy/atom
-0.17544
eV/atom
Energy/atom
-5.70733
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-5.7073
eV/atom
Volume/atom
21.71
ų
c/a Ratio
0.9846
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
No
Total Mag. Moment
0.1962
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000240
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Composition Overview
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Ho · 0.632
Element Family
N/A
Solute Fraction
0.368
Interstitial Fraction
0.000
Traditional Material Features
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.683
Family
Binary Alloy
Matrix Element
Ho · 0.632
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-30969
Reference Citation
The crystal structure and related material properties of Ho12Co7 were obtained from the Materials Project database (MP-ID: mp-30969, 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_Ho12Co7
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 11.14863900
_cell_length_b 8.24068600
_cell_length_c 10.97718191
_cell_angle_alpha 54.86965419
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural Ho12Co7
_chemical_formula_sum 'Ho24 Co14'
_cell_volume 824.79708109
_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 0.70526200 0.23484900 0.53816500 1.0
Ho Ho1 1 0.20526200 0.76515100 0.96183500 1.0
Ho Ho2 1 0.84153600 0.50185400 0.65819300 1.0
Ho Ho3 1 0.34153600 0.49814600 0.84180700 1.0
Ho Ho4 1 0.15846400 0.49814600 0.34180700 1.0
Ho Ho5 1 0.65846400 0.50185400 0.15819300 1.0
Ho Ho6 1 0.00432500 0.84543200 0.35429000 1.0
Ho Ho7 1 0.50432500 0.15456800 0.14571000 1.0
Ho Ho8 1 0.99567500 0.15456800 0.64571000 1.0
Ho Ho9 1 0.49567500 0.84543200 0.85429000 1.0
Ho Ho10 1 0.79473800 0.23484900 0.03816500 1.0
Ho Ho11 1 0.29473800 0.76515100 0.46183500 1.0
Ho Ho12 1 0.92803600 0.76978600 0.08641200 1.0
Ho Ho13 1 0.42803600 0.23021400 0.41358800 1.0
Ho Ho14 1 0.07196400 0.23021400 0.91358800 1.0
Ho Ho15 1 0.57196400 0.76978600 0.58641200 1.0
Ho Ho16 1 0.30073000 0.24934900 0.67536800 1.0
Ho Ho17 1 0.80073000 0.75065100 0.82463200 1.0
Ho Ho18 1 0.69927000 0.75065100 0.32463200 1.0
Ho Ho19 1 0.19927000 0.24934900 0.17536800 1.0
Ho Ho20 1 0.92960100 0.26671100 0.30539900 1.0
Ho Ho21 1 0.42960100 0.73328900 0.19460100 1.0
Ho Ho22 1 0.07039900 0.73328900 0.69460100 1.0
Ho Ho23 1 0.57039900 0.26671100 0.80539900 1.0
Co Co24 1 0.50000000 0.50000000 0.50000000 1.0
Co Co25 1 0.00000000 0.50000000 0.00000000 1.0
Co Co26 1 0.67399300 0.90880900 0.02958900 1.0
Co Co27 1 0.17399300 0.09119100 0.47041100 1.0
Co Co28 1 0.32600700 0.09119100 0.97041100 1.0
Co Co29 1 0.82600700 0.90880900 0.52958900 1.0
Co Co30 1 0.40128100 0.49345800 0.09975800 1.0
Co Co31 1 0.90128100 0.50654200 0.40024200 1.0
Co Co32 1 0.59871900 0.50654200 0.90024200 1.0
Co Co33 1 0.09871900 0.49345800 0.59975800 1.0
Co Co34 1 0.81097100 0.09812800 0.84266300 1.0
Co Co35 1 0.31097100 0.90187200 0.65733700 1.0
Co Co36 1 0.18902900 0.90187200 0.15733700 1.0
Co Co37 1 0.68902900 0.09812800 0.34266300 1.0
