RuC

Traditional Materials TRA Elasticity Data ELA

MP-ID: mp-999259 · Space group: R-3m (#166)

Materials Project API

Basic Information

Formula

RuC

MP-ID

mp-999259

Elements

Sites

Density

8.8920

g/cm³

Volume

42.23

Å³

Cell a

6.4878

Cell b

6.4878

Cell c

6.4878

α Angle

24.79

β Angle

24.79

γ Angle

24.79

Space Group

R-3m

Point Group

-3m

Crystal System

Trigonal

Bravais Lattice

Stability

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
14.09	6.2854	66.6	(1,1,1)
28.40	3.1427	69.5	(2,2,2)
37.59	2.3928	7.3	(1,0,0)
37.59	2.3928	3.7	(0,0,1)
38.52	2.3370	100.0	(1,0,1)
38.52	2.3370	50.0	(1,1,0)
42.08	2.1475	85.3	(2,1,1)
42.08	2.1475	42.7	(1,1,2)
43.18	2.0951	36.4	(3,3,3)
44.59	2.0321	54.1	(2,2,1)
50.81	1.7971	37.3	(3,2,2)
50.81	1.7971	18.7	(2,2,3)
54.42	1.6859	15.2	(3,3,2)
62.52	1.4856	2.7	(4,3,3)
62.52	1.4856	1.4	(3,3,4)
66.97	1.3973	41.3	(4,4,3)
67.22	1.3928	14.1	(1,-1,0)
67.22	1.3928	28.2	(1,0,-1)
69.08	1.3598	2.4	(2,0,1)
69.08	1.3598	4.8	(2,1,0)
74.52	1.2733	8.5	(3,1,2)
74.52	1.2733	8.5	(3,2,1)
74.52	1.2733	8.5	(2,1,3)
75.65	1.2571	8.3	(5,5,5)

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Energy Properties

Formation Energy/atom

0.36613

eV/atom

Energy/atom

-17.31975

eV/atom

Energy above Hull

0.3661

eV/atom

Uncorrected Energy

-8.8854

eV/atom

Volume/atom

10.56

Å³

c/a Ratio

1.0000

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.0000

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.000000

μB/Å³

Elastic Properties

K_VRH

284.565

GPa

G_VRH

160.065

GPa

Young's Modulus E

404.376

GPa

Poisson Ratio ν

0.263

Pugh Ratio K/G

1.778

Vickers Hardness Est.

16.869

GPa

Ductility

Brittle

Anisotropy

0.498

Lame λ

177.855

GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Ru · 0.500

Element Family

N/A

Solute Fraction

0.500

Interstitial Fraction

0.500

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.424

Family

Binary Alloy

Matrix Element

Ru · 0.500

Elasticity Features

Elastic Modulus Comparison (GPa)

Elastic Features

Elastic Anisotropy A^U

0.4980

Homogeneous Poisson ν

0.2630

Debye Temperature

640.0

Sound Velocity

4,717.6

m/s

Homogeneity

0.2630

Related Tasks

Related computation task IDs (5)

aaaciqlq aaadclxe aaadusnc aaaesaas aaafxbxe

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-999259

Reference Citation

The crystal structure and related material properties of RuC were obtained from the Materials Project database (MP-ID: mp-999259, 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_RuC
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.48783009
_cell_length_b   6.48783009
_cell_length_c   6.48782950
_cell_angle_alpha   24.79257404
_cell_angle_beta   24.79257404
_cell_angle_gamma   24.79257970
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RuC
_chemical_formula_sum   'Ru2 C2'
_cell_volume   42.23473332
_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
  Ru  Ru0  1  0.22894700  0.22894700  0.22894700  1.0
  Ru  Ru1  1  0.77105300  0.77105300  0.77105300  1.0
  C  C2  1  0.03712400  0.03712400  0.03712400  1.0
  C  C3  1  0.96287600  0.96287600  0.96287600  1.0

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