Structure info
Layer group p-6m2
Layer group number 78
Structure origin Lyngby22_LDP
Stability
Energy above convex hull [eV/atom] 0.261
Heat of formation [eV/atom] 0.216
Dynamically stable Unknown
Basic properties
XYZ CIF JSON
Axis x [Å] y [Å] z [Å] Periodic
1 4.290 -0.000 0.000 Yes
2 -2.145 3.716 0.000 Yes
3 -0.000 0.000 17.444 No
Lengths [Å] 4.290 4.290 17.444
Angles [°] 90.000 90.000 120.000

Symmetries
2D Bravais type Hexagonal (hp)
Layer group number 78
Layer group p-6m2
Space group number (bulk in AA-stacking) 187
Space group (bulk in AA-stacking) P-6m2
Point group -6m2
Inversion symmetry No
Structure data
Formula AgSe2
Stoichiometry AB2
Number of atoms 3
Unit cell area [Å2] 15.941
Thickness [Å] 2.413

AgSe2 (1AgSe2-2)
Heat of formation [eV/atom] 0.22
Energy above convex hull [eV/atom] 0.26
Monolayers from C2DB
Se2Ag4 (2SeAg2-1) -0.09 eV/atom
Se8Ag16 (8SeAg2-1) -0.07 eV/atom
Ag4Se4 (4AgSe-1) -0.02 eV/atom
Ag2Se2 (2AgSe-1) 0.02 eV/atom
Ag8Se12 (4Ag2Se3-1) 0.03 eV/atom
Ag2Se4 (2AgSe2-1) 0.05 eV/atom
Ag2Se2 (2AgSe-2) 0.05 eV/atom
Ag2Se2 (2AgSe-3) 0.06 eV/atom
AgSe2 (1AgSe2-1) 0.11 eV/atom
SeAg2 (1SeAg2-1) 0.15 eV/atom
Ag2Se2 (2AgSe-4) 0.15 eV/atom
Ag2Se2 (2AgSe-5) 0.18 eV/atom
Ag2Se4 (2AgSe2-2) 0.19 eV/atom
Se2 (2Se-1) 0.21 eV/atom
AgSe2, (1AgSe2-2) 0.22 eV/atom
Ag2Se2 (2AgSe-6) 0.27 eV/atom
Se2 (2Se-2) 0.29 eV/atom
Ag2 (2Ag-1) 0.31 eV/atom
AgSe2 (1AgSe2-3) 0.32 eV/atom
Bulk crystals from OQMD123
Ag8Se4 -0.07 eV/atom
Ag4 0.00 eV/atom
Se3 0.00 eV/atom

Miscellaneous details
Unique ID 1AgSe2-2
Number of atoms 3
Number of species 2
Formula AgSe2
Reduced formula AgSe2
Stoichiometry AB2
Unit cell area [Å2] 15.941
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree_LDP/AB2/AgSe2/AgSe2-19a4b14fb2a3
Old uid AgSe2-bbaeb77f8d79
Space group (bulk in AA-stacking) P-6m2
Space group number (bulk in AA-stacking) 187
Miscellaneous details
Point group -6m2
Inversion symmetry No
Layer group number 78
Layer group p-6m2
2D Bravais type Hexagonal (hp)
Thickness [Å] 2.413
Structure origin Lyngby22_LDP
Dynamically stable Unknown
Energy [eV] -9.156
Energy above convex hull [eV/atom] 0.261
Heat of formation [eV/atom] 0.216
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