Navigation

HEAS Data Platform · Materials Science Database

Eu(ClO4)3

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-627640 · Space group: P6_3/m (#176)

Basic Information

Formula
Eu(ClO4)3
MP-ID
mp-627640
Elements
3
Sites
32
Density
3.4600
g/cm³
Volume
432.23
ų
Cell a
9.2556
Å
Cell b
9.2699
Å
Cell c
5.8180
Å
α Angle
90.01
°
β Angle
90.00
°
γ Angle
120.02
°
Space Group
P6_3/m
Point Group
-
Crystal System
Hexagonal
Bravais Lattice
-
Stability
Yes
Packing Fraction
-

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
11.02 8.0266 99.5 (0,1,0)
11.03 8.0225 100.0 (1,-1,0)
11.04 8.0143 99.7 (1,0,0)
18.84 4.7109 22.1 (0,1,-1)
18.84 4.7105 22.2 (0,1,1)
18.84 4.7100 21.9 (1,-1,1)
18.84 4.7097 21.8 (1,-1,-1)
18.85 4.7083 22.0 (1,0,-1)
18.85 4.7081 21.9 (1,0,1)
19.15 4.6350 24.7 (1,-2,0)
19.17 4.6302 24.9 (1,1,0)
19.18 4.6278 24.7 (2,-1,0)
22.15 4.0133 17.8 (0,2,0)
22.16 4.0112 17.6 (2,-2,0)
22.18 4.0071 17.6 (2,0,0)
24.56 3.6254 26.1 (1,-2,1)
24.56 3.6250 26.3 (1,-2,-1)
24.57 3.6231 26.0 (1,1,-1)
24.57 3.6228 25.8 (1,1,1)
24.58 3.6218 25.7 (2,-1,-1)
24.58 3.6218 25.8 (2,-1,1)
26.99 3.3038 56.4 (0,2,-1)
26.99 3.3034 56.3 (0,2,1)
27.00 3.3025 56.5 (2,-2,1)
Get direct link

Energy Properties

Formation Energy/atom
-0.86044
eV/atom
Energy/atom
-5.56102
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-
eV/atom
Volume/atom
-
ų
c/a Ratio
-

Electronic Properties

Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
12.0000
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.027760
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
O · 0.750
Element Family
Metalloid-Nonmetal
Solute Fraction
0.250
Interstitial Fraction
0.000

High-Entropy Alloy Features

Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
0.7029
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
5.8441
J/mol·K
Ω Parameter
0.0000
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
42.863%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.5397
smaller = more stable mixing
VEC
4.375
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
0.000
kJ/mol; negative = exothermic mixing
Entropy Norm
0.6398
SS Former
0
Phase Tendency
IM

Traditional Material Features

ROM Blended-Feature Radar
Rating & Classification
Tier
B
Score
0.595
Family
O-rich Multi-Component
Matrix Element
O · 0.750

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-627640
Reference Citation

The crystal structure and related material properties of Eu(ClO4)3 were obtained from the Materials Project database (MP-ID: mp-627640, 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

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_Eu(ClO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.25563051
_cell_length_b   9.26992410
_cell_length_c   5.81801550
_cell_angle_alpha   90.00516839
_cell_angle_beta   90.00033926
_cell_angle_gamma   120.01663777
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu(ClO4)3
_chemical_formula_sum   'Eu2 Cl6 O24'
_cell_volume   432.22994848
_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
  Eu  Eu0  1  0.66736731  0.33216025  0.74982692  1.0
  Eu  Eu1  1  0.33396503  0.66582569  0.25024877  1.0
  Cl  Cl2  1  0.09484709  0.38584174  0.75002685  1.0
  Cl  Cl3  1  0.29171332  0.90557212  0.75011640  1.0
  Cl  Cl4  1  0.38586012  0.29136255  0.25001691  1.0
  Cl  Cl5  1  0.90510945  0.61332329  0.24989700  1.0
  Cl  Cl6  1  0.61275750  0.70792237  0.75000844  1.0
  Cl  Cl7  1  0.70845267  0.09496337  0.24996910  1.0
  O  O8  1  0.80551526  0.01695491  0.24987295  1.0
  O  O9  1  0.46955117  0.02426949  0.75003250  1.0
  O  O10  1  0.21093079  0.19506828  0.24969176  1.0
  O  O11  1  0.97570310  0.44418132  0.74986246  1.0
  O  O12  1  0.79836823  0.54531010  0.45059986  1.0
  O  O13  1  0.20096623  0.45379366  0.54946567  1.0
  O  O14  1  0.01607828  0.21097328  0.75027983  1.0
  O  O15  1  0.45413947  0.25360321  0.45078784  1.0
  O  O16  1  0.25357889  0.79943475  0.54928418  1.0
  O  O17  1  0.53136829  0.97688711  0.24998558  1.0
  O  O18  1  0.19488575  0.98355193  0.75005040  1.0
  O  O19  1  0.74782075  0.20103993  0.04882325  1.0
  O  O20  1  0.55368935  0.53141076  0.74992926  1.0
  O  O21  1  0.54613427  0.74768494  0.54850331  1.0
  O  O22  1  0.78792202  0.80542439  0.75009269  1.0
  O  O23  1  0.44503395  0.46913455  0.25012129  1.0
  O  O24  1  0.02371891  0.55480801  0.25006114  1.0
  O  O25  1  0.20102321  0.45412585  0.95048342  1.0
  O  O26  1  0.98289035  0.78811186  0.25010515  1.0
  O  O27  1  0.54585716  0.74753935  0.95128777  1.0
  O  O28  1  0.25366864  0.79950861  0.95086967  1.0
  O  O29  1  0.45450330  0.25380342  0.04946765  1.0
  O  O30  1  0.74789223  0.20091659  0.45134671  1.0
  O  O31  1  0.79869095  0.54549334  0.04888627  1.0
Get direct link