Li9Ni15O28

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-759153 · Space group: P-1 (#2)

Materials Project API

Basic Information

Formula

Li9Ni15O28

MP-ID

mp-759153

Elements

Sites

Density

4.9466

g/cm³

Volume

466.90

Å³

Cell a

7.5595

Cell b

8.2227

Cell c

8.5763

α Angle

104.50

β Angle

105.70

γ Angle

104.53

Space Group

P-1

Point Group

-1

Crystal System

Triclinic

Bravais Lattice

Triclinic P

Stability

Packing Fraction

0.5240

X-ray Diffraction

Diffraction Pattern

Target / Radiation

X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å

Diffraction Peaks (Top 24)

2θ	d (Å)	I	hkl
11.40	7.7595	1.2	(0,0,1)
12.95	6.8388	1.5	(1,0,0)
18.62	4.7651	100.0	(1,1,-1)
18.64	4.7600	1.3	(1,-1,1)
36.63	2.4533	13.3	(2,-3,0)
37.12	2.4223	12.3	(1,-1,-3)
37.43	2.4028	11.6	(2,-1,2)
37.76	2.3825	7.3	(2,2,-2)
38.58	2.3336	6.4	(3,-2,-1)
38.73	2.3250	6.2	(0,2,2)
38.75	2.3236	6.3	(1,-2,3)
44.06	2.0552	25.6	(1,-4,1)
44.76	2.0246	24.3	(2,0,-4)
45.28	2.0029	23.4	(3,0,1)
48.63	1.8721	4.1	(0,3,-4)
48.84	1.8646	4.0	(1,3,1)
48.99	1.8595	3.8	(4,-1,-2)
58.00	1.5902	4.8	(0,5,-2)
58.07	1.5884	1.7	(3,3,-3)
58.81	1.5702	4.7	(3,1,-5)
59.43	1.5552	4.6	(4,1,0)
64.08	1.4533	6.6	(1,4,-5)
64.44	1.4459	6.5	(2,4,0)
64.78	1.4391	6.4	(5,0,-3)

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Energy Properties

Formation Energy/atom

-1.28959

eV/atom

Energy/atom

-5.95161

eV/atom

Energy above Hull

0.0352

eV/atom

Uncorrected Energy

-4.8487

eV/atom

Volume/atom

8.98

Å³

c/a Ratio

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

13.0000

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.027840

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

O · 0.538

Element Family

Metalloid-Nonmetal

Solute Fraction

0.462

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

0.9955

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

8.2768

J/mol·K

Ω Parameter

3.1420

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

40.541%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.9853

smaller = more stable mixing

VEC

5.212

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-1.598

kJ/mol; negative = exothermic mixing

Entropy Norm

0.9062

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.514

Family

O-rich Multi-Component

Matrix Element

O · 0.538

Related Tasks

Related computation task IDs (1)

aaadzgjf

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-759153

Reference Citation

The crystal structure and related material properties of Li9Ni15O28 were obtained from the Materials Project database (MP-ID: mp-759153, 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

BibTeX

@article{Horton2025,
  author  = {Horton, Matthew K. and Huck, Patrick and Yang, Ruo Xi and Munro, Jason M. and Dwaraknath, Shyam and Ganose, Alex M. and Kingsbury, Ryan S. and Wen, Mingjian and Shen, Jimmy X. and Mathis, Tyler S. and Kaplan, Aaron D. and Berket, Karlo and Riebesell, Janosh and George, Janine and Rosen, Andrew S. and Spotte-Smith, Evan W. C. and McDermott, Matthew J. and Cohen, Orion A. and Dunn, Alex and Kuner, Matthew C. and Rignanese, Gian-Marco and Petretto, Guido and Waroquiers, David and Griffin, Sinead M. and Neaton, Jeffrey B. and Chrzan, Daryl C. and Asta, Mark and Hautier, Geoffroy and Cholia, Shreyas and Ceder, Gerbrand and Ong, Shyue Ping and Jain, Anubhav and Persson, Kristin A.},
  title   = {Accelerated data-driven materials science with the Materials Project},
  journal = {Nature Materials},
  year    = {2025},
  volume  = {24},
  number  = {10},
  pages   = {1522--1532},
  month   = {oct},
  doi     = {10.1038/s41563-025-02272-0},
  issn    = {1476-4660},
  url     = {https://doi.org/10.1038/s41563-025-02272-0},
  abstract = {The Materials Project was launched formally in 2011 to drive materials discovery forwards through high-throughput computation and open data. More than a decade later, the Materials Project has become an indispensable tool used by more than 600,000 materials researchers around the world. This Perspective describes how the Materials Project, as a data platform and a software ecosystem, has helped to shape research in data-driven materials science. We cover how sustainable software and computational methods have accelerated materials design while becoming more open source and collaborative in nature. Next, we present cases where the Materials Project was used to understand and discover functional materials. We then describe our efforts to meet the needs of an expanding user base, through technical infrastructure updates ranging from data architecture and cloud resources to interactive web applications. Finally, we discuss opportunities to better aid the research community, with the vision that more accessible and easy-to-understand materials data will result in democratized materials knowledge and an increasingly collaborative community.}
}

3D Crystal Structure Rendering

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Raw CIF Data

# generated using pymatgen
data_Li9Ni15O28
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.55947300
_cell_length_b   8.22270486
_cell_length_c   8.57633137
_cell_angle_alpha   104.50425976
_cell_angle_beta   105.70464892
_cell_angle_gamma   104.52681225
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li9Ni15O28
_chemical_formula_sum   'Li9 Ni15 O28'
_cell_volume   466.90478570
_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
  Li  Li0  1  0.50000000  0.00000000  0.50000000  1.0
  Li  Li1  1  0.43198600  0.27177100  0.70770700  1.0
  Li  Li2  1  0.92629800  0.28013000  0.20732900  1.0
  Li  Li3  1  0.85085400  0.57506600  0.43011200  1.0
  Li  Li4  1  0.36018900  0.57922800  0.93625000  1.0
  Li  Li5  1  0.63981100  0.42077200  0.06375000  1.0
  Li  Li6  1  0.14914600  0.42493400  0.56988800  1.0
  Li  Li7  1  0.07370200  0.71987000  0.79267100  1.0
  Li  Li8  1  0.56801400  0.72822900  0.29229300  1.0
  Ni  Ni9  1  0.00000000  0.00000000  0.00000000  1.0
  Ni  Ni10  1  0.35705600  0.07226000  0.92921800  1.0
  Ni  Ni11  1  0.86462000  0.07597500  0.43155900  1.0
  Ni  Ni12  1  0.56771100  0.20898800  0.29002500  1.0
  Ni  Ni13  1  0.07055000  0.21256700  0.78758900  1.0
  Ni  Ni14  1  0.79192800  0.35902100  0.64574500  1.0
  Ni  Ni15  1  0.00000000  0.50000000  0.00000000  1.0
  Ni  Ni16  1  0.71449300  0.64550000  0.85716800  1.0
  Ni  Ni17  1  0.50000000  0.50000000  0.50000000  1.0
  Ni  Ni18  1  0.28550700  0.35450000  0.14283200  1.0
  Ni  Ni19  1  0.20807200  0.64097900  0.35425500  1.0
  Ni  Ni20  1  0.92945000  0.78743300  0.21241100  1.0
  Ni  Ni21  1  0.43228900  0.79101200  0.70997500  1.0
  Ni  Ni22  1  0.13538000  0.92402500  0.56844100  1.0
  Ni  Ni23  1  0.64294400  0.92774000  0.07078200  1.0
  O  O24  1  0.39933100  0.01451200  0.70997200  1.0
  O  O25  1  0.90651900  0.03145900  0.20431400  1.0
  O  O26  1  0.80439500  0.13747400  0.65042200  1.0
  O  O27  1  0.12553000  0.16361700  0.58275600  1.0
  O  O28  1  0.86010000  0.31498900  0.45006300  1.0
  O  O29  1  0.02222200  0.25653500  0.99737600  1.0
  O  O30  1  0.53062600  0.25431000  0.50508100  1.0
  O  O31  1  0.34325900  0.31262700  0.91773500  1.0
  O  O32  1  0.28899300  0.12531200  0.12854800  1.0
  O  O33  1  0.61912100  0.17354200  0.08386700  1.0
  O  O34  1  0.72832600  0.41604800  0.84709300  1.0
  O  O35  1  0.77082000  0.57778000  0.63143300  1.0
  O  O36  1  0.55365300  0.44440700  0.29252400  1.0
  O  O37  1  0.05537900  0.46702600  0.79454100  1.0
  O  O38  1  0.94462100  0.53297400  0.20545900  1.0
  O  O39  1  0.44634700  0.55559300  0.70747600  1.0
  O  O40  1  0.22918000  0.42222000  0.36856700  1.0
  O  O41  1  0.27167400  0.58395200  0.15290700  1.0
  O  O42  1  0.38087900  0.82645800  0.91613300  1.0
  O  O43  1  0.71100700  0.87468800  0.87145200  1.0
  O  O44  1  0.65674100  0.68737300  0.08226500  1.0
  O  O45  1  0.46937400  0.74569000  0.49491900  1.0
  O  O46  1  0.97777800  0.74346500  0.00262400  1.0
  O  O47  1  0.13990000  0.68501100  0.54993700  1.0
  O  O48  1  0.87447000  0.83638300  0.41724400  1.0
  O  O49  1  0.19560500  0.86252600  0.34957800  1.0
  O  O50  1  0.09348100  0.96854100  0.79568600  1.0
  O  O51  1  0.60066900  0.98548800  0.29002800  1.0

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