VGaNi

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-961690 · Space group: F-43m (#216)

Materials Project API

Basic Information

Formula

VGaNi

MP-ID

mp-961690

Elements

Sites

Density

6.4676

g/cm³

Volume

46.05

Å³

Cell a

4.0233

Cell b

4.0233

Cell c

4.0233

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 10)

2θ	d (Å)	I	hkl
27.15	3.2850	20.5	(1,1,1)
31.45	2.8449	30.6	(1,1,0)
45.07	2.0116	100.0	(2,1,1)
53.41	1.7155	8.2	(2,2,1)
55.99	1.6425	7.8	(2,2,2)
65.64	1.4224	15.1	(2,2,0)
72.40	1.3053	3.0	(3,2,2)
74.59	1.2723	9.7	(3,2,1)
83.18	1.1614	29.8	(3,3,2)
89.50	1.0950	2.3	(3,3,3)

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Energy Properties

Formation Energy/atom

0.27468

eV/atom

Energy/atom

-12.23001

eV/atom

Energy above Hull

0.6008

eV/atom

Uncorrected Energy

-5.6596

eV/atom

Volume/atom

15.35

Å³

c/a Ratio

1.0000

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.0006

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.000010

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

V · 0.333

Element Family

3d-TM

Solute Fraction

0.667

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

1.0986

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

9.1339

J/mol·K

Ω Parameter

0.8266

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

3.791%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.1159

smaller = more stable mixing

VEC

6.000

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-15.522

kJ/mol; negative = exothermic mixing

Entropy Norm

1.0000

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.395

Family

V-rich Multi-Component

Matrix Element

V · 0.333

Related Tasks

Related computation task IDs (5)

aaacibxl aaaddczv aaadwkzi aaaetszh aaafxbsj

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-961690

Reference Citation

The crystal structure and related material properties of VGaNi were obtained from the Materials Project database (MP-ID: mp-961690, 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…

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Raw CIF Data

# generated using pymatgen
data_VGaNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.02328202
_cell_length_b   4.02328202
_cell_length_c   4.02328202
_cell_angle_alpha   60.00000000
_cell_angle_beta   60.00000000
_cell_angle_gamma   60.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VGaNi
_chemical_formula_sum   'V1 Ga1 Ni1'
_cell_volume   46.04966040
_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
  V  V0  1  0.00000000  0.00000000  0.00000000  1.0
  Ga  Ga1  1  0.75000000  0.75000000  0.75000000  1.0
  Ni  Ni2  1  0.25000000  0.25000000  0.25000000  1.0

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