Structure info
Layer group p4/nmm
Layer group number 64
Structure origin Lyngby22_LDP
Stability
Energy above convex hull [eV/atom] 0.161
Heat of formation [eV/atom] -0.051
Dynamically stable Unknown
Basic properties
XYZ CIF JSON
Axis x [Å] y [Å] z [Å] Periodic
1 3.873 -0.000 0.000 Yes
2 0.000 3.873 0.000 Yes
3 -0.000 0.000 33.033 No
Lengths [Å] 3.873 3.873 33.033
Angles [°] 90.000 90.000 90.000

Symmetries
2D Bravais type Square (tp)
Layer group number 64
Layer group p4/nmm
Space group number (bulk in AA-stacking) 129
Space group (bulk in AA-stacking) P4/nmm
Point group 4/mmm
Inversion symmetry Yes
Structure data
Formula Cu2S2
Stoichiometry AB
Number of atoms 4
Unit cell area [Å2] 15.003
Thickness [Å] 2.514

Cu2S2 (2CuS-3)
Heat of formation [eV/atom] -0.05
Energy above convex hull [eV/atom] 0.16
Monolayers from C2DB
S4Cu6 (2S2Cu3-1) -0.21 eV/atom
S4Cu6 (2S2Cu3-2) -0.21 eV/atom
S2Cu4 (2SCu2-1) -0.16 eV/atom
S2Cu4 (2SCu2-2) -0.13 eV/atom
S4Cu6 (2S2Cu3-3) -0.12 eV/atom
S4Cu6 (2S2Cu3-4) -0.11 eV/atom
S6Cu12 (6SCu2-1) -0.10 eV/atom
Cu2S2 (2CuS-1) -0.10 eV/atom
Cu2S2 (2CuS-2) -0.09 eV/atom
Cu2S2, (2CuS-3) -0.05 eV/atom
Cu2S4 (2CuS2-1) -0.03 eV/atom
Cu2S2 (2CuS-4) -0.00 eV/atom
Cu2S2 (2CuS-5) 0.03 eV/atom
Cu2S2 (2CuS-6) 0.04 eV/atom
SCu2 (1SCu2-1) 0.12 eV/atom
Cu4S14 (2Cu2S7-1) 0.15 eV/atom
CuS2 (1CuS2-1) 0.16 eV/atom
CuS2 (1CuS2-2) 0.22 eV/atom
Cu2S5 (1Cu2S5-1) 0.27 eV/atom
CuS2 (1CuS2-3) 0.28 eV/atom
S2 (2S-1) 0.45 eV/atom
S2 (2S-2) 0.62 eV/atom
Bulk crystals from OQMD123
Cu6S6 -0.21 eV/atom
Cu2S4 -0.12 eV/atom
Cu 0.00 eV/atom
S48 0.00 eV/atom

Miscellaneous details
Unique ID 2CuS-3
Number of atoms 4
Number of species 2
Formula Cu2S2
Reduced formula CuS
Stoichiometry AB
Unit cell area [Å2] 15.003
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree_LDP/AB/CuS/Cu2S2-7501ad0a4f5d
Old uid Cu2S2-35e5540d27cb
Space group (bulk in AA-stacking) P4/nmm
Space group number (bulk in AA-stacking) 129
Miscellaneous details
Point group 4/mmm
Inversion symmetry Yes
Layer group number 64
Layer group p4/nmm
2D Bravais type Square (tp)
Thickness [Å] 2.514
Structure origin Lyngby22_LDP
Dynamically stable Unknown
Energy [eV] -15.713
Energy above convex hull [eV/atom] 0.161
Heat of formation [eV/atom] -0.051
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