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HEAS Data Platform · Materials Science Database

MP-ID: mp-649813 · Space group: Cmcm (#63)

Basic Information

Formula
Mn7(PbO5)3
MP-ID
mp-649813
Elements
3
Sites
100
Density
6.5861
g/cm³
Volume
1,256.76
ų
Cell a
10.2794
Å
Cell b
10.2794
Å
Cell c
13.8332
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
120.71
°
Space Group
Cmcm
Point Group
mmm
Crystal System
Orthorhombic
Bravais Lattice
oC
Stability
No
Packing Fraction
-

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
10.01 8.8382 1.7 (1,0,-1,0)
12.80 6.9166 54.3 (0,0,0,2)
16.21 5.4691 2.4 (1,-1,0,2)
16.27 5.4469 4.2 (1,0,-1,2)
17.25 5.1393 30.7 (2,-1,-1,0)
17.44 5.0847 14.8 (1,1,-2,0)
21.54 4.1252 22.3 (2,-1,-1,2)
21.69 4.0968 11.1 (1,1,-2,2)
25.76 3.4583 100.0 (0,0,0,4)
26.44 3.3714 3.0 (3,-2,-1,0)
26.56 3.3559 2.8 (3,-1,-2,0)
26.77 3.3304 4.8 (2,1,-3,0)
27.23 3.2755 48.0 (3,-2,-1,1)
27.35 3.2613 48.7 (3,-1,-2,1)
27.55 3.2379 43.9 (2,1,-3,1)
27.66 3.2251 1.9 (1,-1,0,4)
27.70 3.2205 3.8 (1,0,-1,4)
29.47 3.0306 7.1 (3,-2,-1,2)
29.59 3.0192 6.1 (3,-1,-2,2)
29.77 3.0007 11.0 (2,1,-3,2)
30.01 2.9779 18.9 (3,-3,0,0)
30.34 2.9461 35.3 (3,0,-3,0)
31.17 2.8692 63.6 (2,-1,-1,4)
31.28 2.8596 31.5 (1,1,-2,4)
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Energy Properties

Formation Energy/atom
-1.82326
eV/atom
Energy/atom
-7.80292
eV/atom
Energy above Hull
0.0116
eV/atom
Uncorrected Energy
-6.9237
eV/atom
Volume/atom
12.57
ų
c/a Ratio
1.3457

Electronic Properties

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

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
100.0066
μB
Mag. Ordering
FM
Mag. Sites
28
Magnetization/Volume
0.079570
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
O · 0.600
Element Family
Metalloid-Nonmetal
Solute Fraction
0.400
Interstitial Fraction
0.000
Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
0.9174
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
7.6269
J/mol·K
Ω Parameter
1.8265
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
45.629%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.8422
smaller = more stable mixing
VEC
4.840
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
2.214
kJ/mol; negative = exothermic mixing
Entropy Norm
0.8350
SS Former
0
Phase Tendency
IM

Related Tasks

Related computation task IDs (1)

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-649813
Reference Citation

The crystal structure and related material properties of Mn7(PbO5)3 were obtained from the Materials Project database (MP-ID: mp-649813, 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…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_Mn7(PbO5)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.27942861
_cell_length_b   10.27942861
_cell_length_c   13.83318200
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   120.70681137
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn7(PbO5)3
_chemical_formula_sum   'Mn28 Pb12 O60'
_cell_volume   1256.76252959
_cell_formula_units_Z   4
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
  Mn  Mn0  1  0.33482300  0.16907100  0.49990400  1.0
  Mn  Mn1  1  0.33482300  0.16907100  0.00009600  1.0
  Mn  Mn2  1  0.66342800  0.33069000  0.35331700  1.0
  Mn  Mn3  1  0.16620300  0.83379700  0.50000000  1.0
  Mn  Mn4  1  0.33657200  0.66931000  0.64668300  1.0
  Mn  Mn5  1  0.66517700  0.83092900  0.50009600  1.0
  Mn  Mn6  1  0.00000000  0.50000000  0.50000000  1.0
  Mn  Mn7  1  0.66342800  0.33069000  0.14668300  1.0
  Mn  Mn8  1  0.66517700  0.83092900  0.99990400  1.0
  Mn  Mn9  1  0.83379700  0.16620300  0.00000000  1.0
  Mn  Mn10  1  0.50000000  0.50000000  0.50000000  1.0
  Mn  Mn11  1  0.50000000  0.50000000  0.00000000  1.0
  Mn  Mn12  1  0.83092900  0.66517700  0.50009600  1.0
  Mn  Mn13  1  0.50000000  0.00000000  0.50000000  1.0
  Mn  Mn14  1  0.33657200  0.66931000  0.85331700  1.0
  Mn  Mn15  1  0.33069000  0.66342800  0.35331700  1.0
  Mn  Mn16  1  0.50000000  0.00000000  0.00000000  1.0
  Mn  Mn17  1  0.00000000  0.00000000  0.00000000  1.0
  Mn  Mn18  1  0.66931000  0.33657200  0.64668300  1.0
  Mn  Mn19  1  0.33069000  0.66342800  0.14668300  1.0
  Mn  Mn20  1  0.16907100  0.33482300  0.49990400  1.0
  Mn  Mn21  1  0.00000000  0.50000000  0.00000000  1.0
  Mn  Mn22  1  0.83092900  0.66517700  0.99990400  1.0
  Mn  Mn23  1  0.66931000  0.33657200  0.85331700  1.0
  Mn  Mn24  1  0.16620300  0.83379700  0.00000000  1.0
  Mn  Mn25  1  0.16907100  0.33482300  0.00009600  1.0
  Mn  Mn26  1  0.83379700  0.16620300  0.50000000  1.0
  Mn  Mn27  1  0.00000000  0.00000000  0.50000000  1.0
  Pb  Pb28  1  0.00322800  0.27171300  0.75000000  1.0
  Pb  Pb29  1  0.26333400  0.26333400  0.25000000  1.0
  Pb  Pb30  1  0.38721700  0.99730500  0.25000000  1.0
  Pb  Pb31  1  0.39506900  0.39506900  0.75000000  1.0
  Pb  Pb32  1  0.73666600  0.73666600  0.75000000  1.0
  Pb  Pb33  1  0.27171300  0.00322800  0.75000000  1.0
  Pb  Pb34  1  0.99677200  0.72828700  0.25000000  1.0
  Pb  Pb35  1  0.00269500  0.61278300  0.75000000  1.0
  Pb  Pb36  1  0.72828700  0.99677200  0.25000000  1.0
  Pb  Pb37  1  0.61278300  0.00269500  0.75000000  1.0
  Pb  Pb38  1  0.99730500  0.38721700  0.25000000  1.0
  Pb  Pb39  1  0.60493100  0.60493100  0.25000000  1.0
  O  O40  1  0.48683400  0.33176600  0.92279000  1.0
  O  O41  1  0.83654400  0.99992800  0.57166600  1.0
  O  O42  1  0.16280700  0.64511500  0.25000000  1.0
  O  O43  1  0.35488500  0.83719300  0.75000000  1.0
  O  O44  1  0.67349200  0.99684100  0.07412600  1.0
  O  O45  1  0.66823400  0.51316600  0.42279000  1.0
  O  O46  1  0.81916100  0.46967100  0.25000000  1.0
  O  O47  1  0.51316600  0.66823400  0.42279000  1.0
  O  O48  1  0.16345600  0.00007200  0.42833400  1.0
  O  O49  1  0.46967100  0.81916100  0.25000000  1.0
  O  O50  1  0.32650800  0.00315900  0.92587400  1.0
  O  O51  1  0.51316600  0.66823400  0.07721000  1.0
  O  O52  1  0.32728500  0.32728500  0.07448700  1.0
  O  O53  1  0.00007200  0.16345600  0.42833400  1.0
  O  O54  1  0.64511500  0.16280700  0.25000000  1.0
  O  O55  1  0.32650800  0.00315900  0.57412600  1.0
  O  O56  1  0.51127500  0.83742400  0.92219400  1.0
  O  O57  1  0.00007200  0.16345600  0.07166600  1.0
  O  O58  1  0.53032900  0.18083900  0.75000000  1.0
  O  O59  1  0.48683400  0.33176600  0.57721000  1.0
  O  O60  1  0.16345600  0.00007200  0.07166600  1.0
  O  O61  1  0.65470700  0.48471700  0.75000000  1.0
  O  O62  1  0.00315900  0.32650800  0.92587400  1.0
  O  O63  1  0.99992800  0.83654400  0.57166600  1.0
  O  O64  1  0.83654400  0.99992800  0.92833400  1.0
  O  O65  1  0.15461100  0.67059800  0.57702900  1.0
  O  O66  1  0.66823400  0.51316600  0.07721000  1.0
  O  O67  1  0.99992800  0.83654400  0.92833400  1.0
  O  O68  1  0.83742400  0.51127500  0.92219400  1.0
  O  O69  1  0.67059800  0.15461100  0.92297100  1.0
  O  O70  1  0.16416800  0.16416800  0.57151600  1.0
  O  O71  1  0.16257600  0.48872500  0.42219400  1.0
  O  O72  1  0.83742400  0.51127500  0.57780600  1.0
  O  O73  1  0.33176600  0.48683400  0.92279000  1.0
  O  O74  1  0.67059800  0.15461100  0.57702900  1.0
  O  O75  1  0.48872500  0.16257600  0.07780600  1.0
  O  O76  1  0.18083900  0.53032900  0.75000000  1.0
  O  O77  1  0.99684100  0.67349200  0.42587400  1.0
  O  O78  1  0.32940200  0.84538900  0.42297100  1.0
  O  O79  1  0.84538900  0.32940200  0.42297100  1.0
  O  O80  1  0.15461100  0.67059800  0.92297100  1.0
  O  O81  1  0.83583200  0.83583200  0.42848400  1.0
  O  O82  1  0.67349200  0.99684100  0.42587400  1.0
  O  O83  1  0.67271500  0.67271500  0.57448700  1.0
  O  O84  1  0.83719300  0.35488500  0.75000000  1.0
  O  O85  1  0.48471700  0.65470700  0.75000000  1.0
  O  O86  1  0.33176600  0.48683400  0.57721000  1.0
  O  O87  1  0.16416800  0.16416800  0.92848400  1.0
  O  O88  1  0.83583200  0.83583200  0.07151600  1.0
  O  O89  1  0.84538900  0.32940200  0.07702900  1.0
  O  O90  1  0.51528400  0.34529300  0.25000000  1.0
  O  O91  1  0.32940200  0.84538900  0.07702900  1.0
  O  O92  1  0.99684100  0.67349200  0.07412600  1.0
  O  O93  1  0.00315900  0.32650800  0.57412600  1.0
  O  O94  1  0.48872500  0.16257600  0.42219400  1.0
  O  O95  1  0.34529300  0.51528400  0.25000000  1.0
  O  O96  1  0.16257600  0.48872500  0.07780600  1.0
  O  O97  1  0.32728500  0.32728500  0.42551300  1.0
  O  O98  1  0.51127500  0.83742400  0.57780600  1.0
  O  O99  1  0.67271500  0.67271500  0.92551300  1.0
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