Ac

Traditional Materials TRA Elasticity Data ELA

MP-ID: mp-10018 · Space group: Fm-3m (#225)

Materials Project API

Basic Information

Formula

MP-ID

mp-10018

Elements

Sites

Density

8.1579

g/cm³

Volume

46.21

Å³

Cell a

4.0278

Cell b

4.0278

Cell c

4.0278

α Angle

60.00

β Angle

60.00

γ Angle

60.00

Space Group

Fm-3m

Point Group

m-3m

Crystal System

Cubic

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 21)

2θ	d (Å)	I	hkl
27.11	3.2887	100.0	(1,0,0)
27.11	3.2887	33.3	(0,1,0)
31.41	2.8481	69.0	(1,1,0)
45.01	2.0139	26.2	(1,0,-1)
45.01	2.0139	26.2	(1,-1,0)
53.34	1.7175	48.3	(2,1,0)
53.34	1.7175	16.1	(1,2,0)
55.92	1.6444	14.0	(2,0,0)
55.92	1.6444	4.7	(0,2,0)
65.55	1.4241	8.8	(2,2,0)
72.30	1.3068	13.3	(2,0,-1)
72.30	1.3068	6.6	(2,-1,0)
72.30	1.3068	6.6	(1,-2,0)
74.49	1.2737	12.2	(2,1,-1)
74.49	1.2737	12.2	(2,3,1)
83.06	1.1627	10.9	(3,1,0)
83.06	1.1627	3.1	(2,3,3)
83.06	1.1627	4.7	(1,3,0)
89.38	1.0962	10.8	(3,2,0)
89.38	1.0962	9.5	(2,-1,2)
89.38	1.0962	1.4	(0,3,0)

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Energy Properties

Formation Energy/atom

0.02164

eV/atom

Energy/atom

-68.61584

eV/atom

Energy above Hull

0.0216

eV/atom

Uncorrected Energy

-68.6158

eV/atom

Volume/atom

46.21

Å³

c/a Ratio

1.0000

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

0.0001

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.000000

μB/Å³

Elastic Properties

K_VRH

23.574

GPa

G_VRH

13.226

GPa

Young's Modulus E

33.427

GPa

Poisson Ratio ν

0.264

Pugh Ratio K/G

1.782

Vickers Hardness Est.

1.607

GPa

Ductility

Brittle

Anisotropy

0.736

Lame λ

14.757

GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Ac · 1.000

Element Family

N/A

Solute Fraction

0.000

Interstitial Fraction

0.000

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.558

Family

Pure Metal

Matrix Element

Ac · 1.000

Elasticity Features

Elastic Modulus Comparison (GPa)

Elastic Features

Elastic Anisotropy A^U

0.7360

Homogeneous Poisson ν

0.2640

Homogeneity

0.2640

Related Tasks

Related computation task IDs (5)

aaadmujv aaadsbfu aaaehluf aaaeuwqb aaafsras

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-10018

Reference Citation

The crystal structure and related material properties of Ac were obtained from the Materials Project database (MP-ID: mp-10018, 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_Ac
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.02782990
_cell_length_b   4.02782923
_cell_length_c   4.02782982
_cell_angle_alpha   59.99999514
_cell_angle_beta   60.00000067
_cell_angle_gamma   59.99999487
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ac
_chemical_formula_sum   Ac1
_cell_volume   46.20598738
_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
  Ac  Ac0  1  -0.00000000  -0.00000000  0.00000000  1.0

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