RbSb

Traditional Materials TRA

MP-ID: mp-1009650 · Space group: F-43m (#216)

Materials Project API

Basic Information

Formula

RbSb

MP-ID

mp-1009650

Elements

Sites

Density

2.2287

g/cm³

Volume

154.40

Å³

Cell a

6.0217

Cell b

6.0217

Cell c

6.0217

α Angle

60.00

β Angle

60.00

γ Angle

60.00

Space Group

F-43m

Point Group

-43m

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 17)

2θ	d (Å)	I	hkl
18.04	4.9167	100.0	(1,1,1)
20.86	4.2580	2.8	(1,1,0)
29.67	3.0109	86.1	(2,1,1)
34.94	2.5677	57.0	(2,2,1)
42.46	2.1290	16.0	(2,2,0)
46.48	1.9537	25.1	(3,2,2)
47.76	1.9042	1.3	(3,2,1)
52.65	1.7383	33.6	(3,3,2)
56.12	1.6389	18.9	(3,3,3)
61.61	1.5054	10.4	(4,2,2)
64.76	1.4395	18.3	(4,3,2)
69.85	1.3465	14.3	(4,3,1)
72.83	1.2987	6.5	(4,4,3)
77.69	1.2292	3.5	(4,4,4)
80.55	1.1925	10.0	(5,3,3)
85.29	1.1380	17.0	(5,4,3)
88.11	1.1087	12.3	(5,4,4)

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Energy Properties

Formation Energy/atom

0.40322

eV/atom

Energy/atom

-2.15155

eV/atom

Energy above Hull

0.9184

eV/atom

Uncorrected Energy

-2.0555

eV/atom

Volume/atom

77.20

Å³

c/a Ratio

1.0000

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

2.0000

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.012950

μB/Å³

Elastic Properties

K_VRH

4.898

GPa

G_VRH

0.902

GPa

Young's Modulus E

GPa

Poisson Ratio ν

Pugh Ratio K/G

5.430

Vickers Hardness Est.

GPa

Ductility

Brittle

Anisotropy

-4.860

Lame λ

4.297

GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Rb · 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

0.424

Family

Binary Alloy

Matrix Element

Rb · 0.500

Related Tasks

Related computation task IDs (5)

aaacieqi aaadupxj aaaefylv aaaetdik aaafizqw

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1009650

Reference Citation

The crystal structure and related material properties of RbSb were obtained from the Materials Project database (MP-ID: mp-1009650, 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_RbSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.02172135
_cell_length_b   6.02172135
_cell_length_c   6.02172135
_cell_angle_alpha   60.00000000
_cell_angle_beta   60.00000000
_cell_angle_gamma   60.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RbSb
_chemical_formula_sum   'Rb1 Sb1'
_cell_volume   154.39988302
_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
  Rb  Rb0  1  0.00000000  0.00000000  0.00000000  1.0
  Sb  Sb1  1  0.25000000  0.25000000  0.25000000  1.0

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