LaZnCrCuO6

High-Entropy Materials HEA

MP-ID: mp-1049069 · Space group: Pc (#7)

Materials Project API

Basic Information

Formula

LaZnCrCuO6

MP-ID

mp-1049069

Elements

Sites

Density

6.1654

g/cm³

Volume

224.01

Å³

Cell a

5.4255

Cell b

5.4322

Cell c

9.2930

α Angle

54.87

β Angle

90.00

γ Angle

90.00

Space Group

Point Group

Crystal System

Monoclinic

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
19.98	4.4429	6.2	(0,1,0)
20.11	4.4158	13.5	(1,0,1)
20.20	4.3961	6.7	(0,1,2)
23.17	3.8387	8.9	(1,1,1)
23.41	3.8003	6.0	(0,0,2)
25.92	3.4374	4.4	(1,1,0)
26.09	3.4156	5.5	(1,1,2)
32.98	2.7160	49.1	(0,2,2)
33.02	2.7127	41.7	(2,0,0)
33.04	2.7114	100.0	(1,1,-1)
33.31	2.6901	92.6	(1,1,3)
35.12	2.5549	4.7	(2,0,1)
37.02	2.4286	2.4	(1,2,2)
37.04	2.4269	4.0	(2,1,1)
38.81	2.3202	6.2	(1,2,1)
38.90	2.3153	4.5	(2,1,0)
39.02	2.3086	2.1	(2,1,2)
39.05	2.3067	4.1	(1,2,3)
39.06	2.3059	3.3	(0,1,-2)
39.25	2.2956	3.4	(1,0,3)
39.41	2.2863	4.2	(0,1,4)
40.61	2.2214	4.8	(0,2,0)
40.87	2.2079	10.3	(2,0,2)
41.06	2.1981	5.1	(0,2,4)

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Energy Properties

Formation Energy/atom

-2.03734

eV/atom

Energy/atom

-7.00092

eV/atom

Energy above Hull

0.1962

eV/atom

Uncorrected Energy

-6.3888

eV/atom

Volume/atom

11.20

Å³

c/a Ratio

1.7129

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

3.9987

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.017850

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

O · 0.600

Element Family

Metalloid-Nonmetal

Solute Fraction

0.400

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

1.2275

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

10.2057

J/mol·K

Ω Parameter

4.9765

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

48.547%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.9311

smaller = more stable mixing

VEC

5.600

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-1.180

kJ/mol; negative = exothermic mixing

Entropy Norm

0.7627

SS Former

Phase Tendency

Related Tasks

Related computation task IDs (2)

aaachrxv aaaefrqj

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1049069

Reference Citation

The crystal structure and related material properties of LaZnCrCuO6 were obtained from the Materials Project database (MP-ID: mp-1049069, 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_LaZnCrCuO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.42548100
_cell_length_b   5.43223100
_cell_length_c   9.29301948
_cell_angle_alpha   54.87227846
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaZnCrCuO6
_chemical_formula_sum   'La2 Zn2 Cr2 Cu2 O12'
_cell_volume   224.00533106
_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
  La  La0  1  0.29087200  0.74941600  0.24776500  1.0
  La  La1  1  0.70912800  0.74941600  0.74776500  1.0
  Zn  Zn2  1  0.78145400  0.25451700  0.23541200  1.0
  Zn  Zn3  1  0.21854600  0.25451700  0.73541200  1.0
  Cr  Cr4  1  0.23743400  0.98902500  0.49540700  1.0
  Cr  Cr5  1  0.76256600  0.98902500  0.99540700  1.0
  Cu  Cu6  1  0.24311700  0.48884600  0.00061200  1.0
  Cu  Cu7  1  0.75688300  0.48884600  0.50061200  1.0
  O  O8  1  0.82238100  0.32207700  0.75251800  1.0
  O  O9  1  0.98189300  0.13859900  0.07082500  1.0
  O  O10  1  0.03608700  0.76135500  0.45503300  1.0
  O  O11  1  0.54634900  0.26424600  0.05395600  1.0
  O  O12  1  0.54370000  0.91438700  0.43913100  1.0
  O  O13  1  0.27872200  0.61753200  0.74934000  1.0
  O  O14  1  0.17761900  0.32207700  0.25251800  1.0
  O  O15  1  0.01810700  0.13859900  0.57082500  1.0
  O  O16  1  0.96391300  0.76135500  0.95503300  1.0
  O  O17  1  0.45365100  0.26424600  0.55395600  1.0
  O  O18  1  0.45630000  0.91438700  0.93913100  1.0
  O  O19  1  0.72127800  0.61753200  0.24934000  1.0

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