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HEAS Data Platform · Materials Science Database

MP-ID: mp-997017 · Space group: C2/m (#12)

Basic Information

Formula
AgClO2
MP-ID
mp-997017
Elements
3
Sites
8
Density
3.5917
g/cm³
Volume
162.11
ų
Cell a
7.2713
Å
Cell b
7.2713
Å
Cell c
5.2694
Å
α Angle
83.09
°
β Angle
83.09
°
γ Angle
35.92
°
Space Group
C2/m
Point Group
2/m
Crystal System
Monoclinic
Bravais Lattice
mC
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
12.90 6.8615 100.0 (1,1,0)
16.96 5.2271 3.0 (0,0,1)
20.01 4.4373 19.8 (1,1,1)
20.84 4.2620 6.6 (1,0,0)
22.65 3.9255 10.0 (1,1,-1)
25.97 3.4307 8.0 (2,2,0)
26.46 3.3686 19.2 (1,0,1)
27.52 3.2414 24.8 (1,0,-1)
27.86 3.2020 92.4 (2,1,0)
29.28 3.0506 2.4 (2,2,1)
31.45 2.8449 17.8 (2,1,1)
32.99 2.7149 4.5 (2,2,-1)
34.11 2.6287 6.8 (2,1,-1)
34.31 2.6135 37.5 (0,0,2)
35.16 2.5521 17.7 (1,1,2)
38.37 2.3457 3.7 (1,1,-2)
38.46 2.3409 35.9 (3,2,0)
39.40 2.2872 3.8 (3,3,0)
40.23 2.2418 16.6 (1,-1,0)
40.67 2.2187 2.8 (2,2,2)
41.03 2.2000 9.6 (3,3,1)
41.22 2.1900 5.2 (1,0,-2)
42.42 2.1310 20.3 (2,0,0)
42.68 2.1187 15.9 (2,1,2)
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Energy Properties

Formation Energy/atom
-0.24256
eV/atom
Energy/atom
-3.88941
eV/atom
Energy above Hull
0.2502
eV/atom
Uncorrected Energy
-3.8089
eV/atom
Volume/atom
20.26
ų
c/a Ratio
0.7247

Electronic Properties

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

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
2.0020
μB
Mag. Ordering
FM
Mag. Sites
4
Magnetization/Volume
0.012350
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
O · 0.500
Element Family
Metalloid-Nonmetal
Solute Fraction
0.500
Interstitial Fraction
0.000
Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
1.0397
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
8.6442
J/mol·K
Ω Parameter
0.0000
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
38.115%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.6240
smaller = more stable mixing
VEC
6.000
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
0.000
kJ/mol; negative = exothermic mixing
Entropy Norm
0.9464
SS Former
0
Phase Tendency
IM

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-997017
Reference Citation

The crystal structure and related material properties of AgClO2 were obtained from the Materials Project database (MP-ID: mp-997017, 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_AgClO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.27124622
_cell_length_b   7.27124622
_cell_length_c   5.26940166
_cell_angle_alpha   83.08936337
_cell_angle_beta   83.08936337
_cell_angle_gamma   35.91550596
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AgClO2
_chemical_formula_sum   'Ag2 Cl2 O4'
_cell_volume   162.11112628
_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
  Ag  Ag0  1  0.30115000  0.30115000  0.73376000  1.0
  Ag  Ag1  1  0.69885000  0.69885000  0.26624000  1.0
  Cl  Cl2  1  0.68993300  0.68993300  0.76886800  1.0
  Cl  Cl3  1  0.31006700  0.31006700  0.23113200  1.0
  O  O4  1  0.10055800  0.82341700  0.69232200  1.0
  O  O5  1  0.89944200  0.17658300  0.30767800  1.0
  O  O6  1  0.17658300  0.89944200  0.30767800  1.0
  O  O7  1  0.82341700  0.10055800  0.69232200  1.0
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