Structure info
Layer group cm11
Layer group number 13
Structure origin Lyngby22_LDP
Stability
Energy above convex hull [eV/atom] 0.297
Heat of formation [eV/atom] -0.131
Dynamically stable Unknown
Basic properties
XYZ CIF JSON
Axis x [Å] y [Å] z [Å] Periodic
1 3.513 -0.000 0.000 Yes
2 -1.757 6.124 0.000 Yes
3 0.000 -0.000 34.182 No
Lengths [Å] 3.513 6.371 34.182
Angles [°] 90.000 90.000 106.004

Symmetries
2D Bravais type Centered rectangular (oc)
Layer group number 13
Layer group cm11
Space group number (bulk in AA-stacking) 8
Space group (bulk in AA-stacking) Cm
Point group m
Inversion symmetry No
Structure data
Formula Se4Al
Stoichiometry AB4
Number of atoms 5
Unit cell area [Å2] 21.516
Thickness [Å] 4.126

AlSe4 (1AlSe4-1)
Heat of formation [eV/atom] -0.13
Energy above convex hull [eV/atom] 0.30
Monolayers from C2DB
Al8Se12 (4Al2Se3-1) -0.86 eV/atom
Al4Se6 (2Al2Se3-1) -0.84 eV/atom
Al4Se6 (2Al2Se3-2) -0.83 eV/atom
Al4Se6 (2Al2Se3-3) -0.81 eV/atom
Al2Se3 (1Al2Se3-1) -0.79 eV/atom
Al6Se9 (3Al2Se3-1) -0.77 eV/atom
Al2Se3 (1Al2Se3-2) -0.77 eV/atom
Al3Se4 (1Al3Se4-1) -0.72 eV/atom
Al2Se2 (2AlSe-1) -0.72 eV/atom
Al2Se2 (2AlSe-2) -0.71 eV/atom
Al2Se2 (2AlSe-3) -0.69 eV/atom
Al2Se5 (1Al2Se5-1) -0.60 eV/atom
Al2Se4 (2AlSe2-1) -0.55 eV/atom
AlSe2 (1AlSe2-1) -0.55 eV/atom
Al2Se2 (2AlSe-4) -0.36 eV/atom
Al2Se4 (2AlSe2-2) -0.31 eV/atom
Al2Se2 (2AlSe-5) -0.14 eV/atom
AlSe4, (1AlSe4-1) -0.13 eV/atom
Se2 (2Se-1) 0.21 eV/atom
Se2 (2Se-2) 0.29 eV/atom
Bulk crystals from OQMD123
Al4Se6 -0.84 eV/atom
Al 0.00 eV/atom
Se3 0.00 eV/atom

Miscellaneous details
Unique ID 1AlSe4-1
Number of atoms 5
Number of species 2
Formula Se4Al
Reduced formula Se4Al
Stoichiometry AB4
Unit cell area [Å2] 21.516
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree_LDP/AB4/AlSe4/AlSe4-fafad2abdefc
Old uid AlSe4-1b4701922bda
Space group (bulk in AA-stacking) Cm
Space group number (bulk in AA-stacking) 8
Miscellaneous details
Point group m
Inversion symmetry No
Layer group number 13
Layer group cm11
2D Bravais type Centered rectangular (oc)
Thickness [Å] 4.126
Structure origin Lyngby22_LDP
Dynamically stable Unknown
Energy [eV] -18.325
Energy above convex hull [eV/atom] 0.297
Heat of formation [eV/atom] -0.131
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