SnRh2

Traditional Materials TRA Elasticity Data ELA

MP-ID: mp-636334 · Space group: Pnma (#62)

Materials Project API

Basic Information

Formula

SnRh2

MP-ID

mp-636334

Elements

Sites

Density

11.3688

g/cm³

Volume

189.60

Å³

Cell a

4.2457

Cell b

5.5501

Cell c

8.0463

α Angle

90.00

β Angle

90.00

γ Angle

90.00

Space Group

Pnma

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
27.38	3.2574	1.0	(0,1,-2)
27.38	3.2573	1.0	(0,1,2)
32.26	2.7750	3.0	(0,2,0)
34.71	2.5844	1.2	(1,1,-2)
34.71	2.5844	1.2	(1,1,2)
37.23	2.4149	3.4	(0,1,-3)
37.23	2.4149	3.4	(0,1,3)
38.77	2.3229	57.7	(1,2,0)
39.45	2.2843	11.5	(0,2,-2)
39.45	2.2843	11.5	(0,2,2)
39.75	2.2675	100.0	(1,0,3)
40.42	2.2317	27.0	(1,2,-1)
40.42	2.2317	27.0	(1,2,1)
42.59	2.1228	47.2	(2,0,0)
43.09	2.0991	4.7	(1,1,-3)
43.09	2.0991	4.7	(1,1,3)
47.12	1.9286	14.5	(0,2,-3)
47.12	1.9285	14.5	(0,2,3)
52.09	1.7559	1.8	(1,2,-3)
52.09	1.7559	1.8	(1,2,3)
54.42	1.6861	1.5	(2,2,0)
54.60	1.6808	1.1	(0,3,-2)
54.60	1.6808	1.1	(0,3,2)
56.50	1.6287	4.5	(0,2,-4)

Get direct link

Energy Properties

Formation Energy/atom

-0.36264

eV/atom

Energy/atom

-6.60870

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-24.7073

eV/atom

Volume/atom

15.80

Å³

c/a Ratio

1.8952

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

1.4250

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.007520

μB/Å³

Elastic Properties

K_VRH

176.402

GPa

G_VRH

53.156

GPa

Young's Modulus E

144.912

GPa

Poisson Ratio ν

0.363

Pugh Ratio K/G

3.319

Vickers Hardness Est.

2.023

GPa

Ductility

Brittle

Anisotropy

0.581

Lame λ

140.965

GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Rh · 0.667

Element Family

N/A

Solute Fraction

0.333

Interstitial Fraction

0.000

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.703

Family

Binary Alloy

Matrix Element

Rh · 0.667

Elasticity Features

Elastic Modulus Comparison (GPa)

Elastic Features

Elastic Anisotropy A^U

0.5810

Homogeneous Poisson ν

0.3630

Debye Temperature

288.9

Sound Velocity

2,435.4

m/s

Homogeneity

0.3630

Related Tasks

Related computation task IDs (5)

aaadncle aaadspuf aaaelenz aaaetwtl aaafivxe

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-636334

Reference Citation

The crystal structure and related material properties of SnRh2 were obtained from the Materials Project database (MP-ID: mp-636334, 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…

Style: Ball & Stick | Drag to rotate · Scroll to zoom · Right-click to pan

Raw CIF Data

# generated using pymatgen
data_SnRh2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.24565504
_cell_length_b   5.55006020
_cell_length_c   8.04629740
_cell_angle_alpha   90.00103279
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SnRh2
_chemical_formula_sum   'Sn4 Rh8'
_cell_volume   189.60006378
_cell_formula_units_Z   4
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
  Sn  Sn0  1  0.75000000  0.80862531  0.10126323  1.0
  Sn  Sn1  1  0.75000000  0.30866393  0.39878002  1.0
  Sn  Sn2  1  0.25000000  0.19138197  0.89870184  1.0
  Sn  Sn3  1  0.25000000  0.69134278  0.60125345  1.0
  Rh  Rh4  1  0.25000000  0.17000477  0.56901787  1.0
  Rh  Rh5  1  0.75000000  0.45478159  0.72482906  1.0
  Rh  Rh6  1  0.75000000  0.95476739  0.77511128  1.0
  Rh  Rh7  1  0.75000000  0.82999647  0.43092529  1.0
  Rh  Rh8  1  0.75000000  0.32999934  0.06911439  1.0
  Rh  Rh9  1  0.25000000  0.67003584  0.93094671  1.0
  Rh  Rh10  1  0.25000000  0.04519491  0.22491654  1.0
  Rh  Rh11  1  0.25000000  0.54520469  0.27513832  1.0

Get direct link