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Fe6O7F5

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-756208 · Space group: Cm (#8)

Basic Information

Formula
Fe6O7F5
MP-ID
mp-756208
Elements
3
Sites
18
Density
4.3736
g/cm³
Volume
205.81
ų
Cell a
5.6500
Å
Cell b
5.6500
Å
Cell c
7.6936
Å
α Angle
68.68
°
β Angle
68.68
°
γ Angle
69.04
°
Space Group
Cm
Point Group
m
Crystal System
Monoclinic
Bravais Lattice
Monoclinic C
Stability
No
Packing Fraction
0.5240

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
25.19 3.5352 100.0 (1,1,2)
27.86 3.2019 88.9 (1,-1,0)
35.13 2.5545 46.7 (1,0,-2)
35.14 2.5538 46.7 (2,1,0)
37.91 2.3732 17.4 (2,0,2)
39.15 2.3012 7.7 (0,0,3)
39.16 2.3002 7.6 (2,2,1)
40.80 2.2118 7.1 (2,1,3)
41.01 2.2009 13.6 (2,0,-1)
44.33 2.0435 4.5 (2,-1,1)
51.12 1.7869 32.0 (1,0,4)
51.14 1.7862 31.4 (3,2,2)
51.72 1.7676 17.1 (2,2,4)
54.13 1.6944 24.4 (2,-1,-2)
54.14 1.6942 24.3 (3,0,0)
57.57 1.6010 14.7 (2,-2,0)
59.76 1.5475 8.7 (3,1,4)
61.17 1.5152 15.2 (2,2,-2)
63.82 1.4584 7.9 (3,-1,2)
66.68 1.4027 19.9 (2,-1,4)
66.70 1.4023 19.6 (4,1,2)
67.21 1.3929 5.0 (1,1,-4)
67.24 1.3924 4.8 (3,3,0)
68.51 1.3696 10.9 (3,1,-2)
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Energy Properties

Formation Energy/atom
-1.89659
eV/atom
Energy/atom
-7.17596
eV/atom
Energy above Hull
0.1117
eV/atom
Uncorrected Energy
-6.0285
eV/atom
Volume/atom
11.43
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
28.9986
μB
Mag. Ordering
FM
Mag. Sites
11
Magnetization/Volume
0.140900
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
O · 0.389
Element Family
Metalloid-Nonmetal
Solute Fraction
0.611
Interstitial Fraction
0.000

High-Entropy Alloy Features

Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
1.0893
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
9.0565
J/mol·K
Ω Parameter
0.0000
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
42.060%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.8919
smaller = more stable mixing
VEC
5.611
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
0.000
kJ/mol; negative = exothermic mixing
Entropy Norm
0.9915
SS Former
0
Phase Tendency
IM

Traditional Material Features

ROM Blended-Feature Radar
Rating & Classification
Tier
C
Score
0.298
Family
O-rich Multi-Component
Matrix Element
O · 0.389

Related Tasks

Related computation task IDs (2)

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-756208
Reference Citation

The crystal structure and related material properties of Fe6O7F5 were obtained from the Materials Project database (MP-ID: mp-756208, 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_Fe6O7F5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.65003942
_cell_length_b   5.65003942
_cell_length_c   7.69359072
_cell_angle_alpha   68.67567495
_cell_angle_beta   68.67567495
_cell_angle_gamma   69.04222179
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Fe6O7F5
_chemical_formula_sum   'Fe6 O7 F5'
_cell_volume   205.80598386
_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
  Fe  Fe0  1  0.66509500  0.66509500  0.83320300  1.0
  Fe  Fe1  1  0.33592500  0.33592500  0.65356000  1.0
  Fe  Fe2  1  0.65415900  0.65415900  0.33102400  1.0
  Fe  Fe3  1  0.34416700  0.34416700  0.18739500  1.0
  Fe  Fe4  1  0.99827800  0.99827800  0.49646500  1.0
  Fe  Fe5  1  0.00441400  0.00441400  0.00145200  1.0
  O  O6  1  0.64110100  0.02720200  0.66508700  1.0
  O  O7  1  0.96910900  0.35708500  0.33506900  1.0
  O  O8  1  0.43573900  0.43573900  0.37600800  1.0
  O  O9  1  0.35708500  0.96910900  0.33506900  1.0
  O  O10  1  0.02720200  0.64110100  0.66508700  1.0
  O  O11  1  0.70195100  0.30315200  0.00046000  1.0
  O  O12  1  0.30315200  0.70195100  0.00046000  1.0
  F  F13  1  0.89021200  0.89021200  0.29630100  1.0
  F  F14  1  0.23537800  0.23537800  0.95076000  1.0
  F  F15  1  0.56523100  0.56523100  0.63157200  1.0
  F  F16  1  0.77021300  0.77021300  0.03694400  1.0
  F  F17  1  0.10158900  0.10158900  0.70408600  1.0
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