Formula Sn4Zn4As8
Reduced formula SnZnAs2
Stoichiometry ABC2
Number of species 3
Number of atoms 16
Unique ID 23
Unit cell volume [Å3] 400.029
E-hull [eV] 0.238
Kohn Sham band gap [eV] 0.150
Effective electron mass [me] 0.108
Effective hole mass [me] -0.060
Derivative discontinuity (GLLB-SC) [eV] 0.060
Energy per atom [eV] 0.018
Uncertanty of the convex hull energy [eV] 0.053
Uncertanty of the total energy [eV] 0.007
Direct band gap (GLLB-SC) [eV] 0.210
Indirect band gap (GLLB-SC) [eV] 0.210
Direct band gap (TB09) [eV] 0.650
Indirect band gap (TB09) [eV] 0.650
Crystal system Orthorhombic
Phase ST
Short chemical formula ZnSnAs2
Total energy (mBEEF) [eV] -1427.800
Energy [eV] -1427.800
XYZ CIF JSON
Axis x [Å] y [Å] z [Å] Periodic
1 8.272 0.000 0.000 Yes
2 0.000 7.117 -0.000 Yes
3 0.000 -0.000 6.795 Yes
Lengths [Å] 8.272 7.117 6.795
Angles [°] 90.000 90.000 90.000
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