Crystal Structure a c ibrav celldm(1) celldm(3) ntyp nat Material Type Direct gap Indirect gap comment
C Diamond 3.56685   2 6.74037   1 2 sp - 5.5  
Si Diamond 5.43102   2 10.26314   1 2 sp 4.185 1.17  
Ge Diamond 5.65791   2 10.6919   1 2 sp - 0.744  
Sn Diamond 6.4892   2 12.26281   1 2 semi-metal 0 -  
3C-SiC Zinc blende 4.3596   2 8.23845   2 2 sp 6 2.417  
BN Zinc blende 3.616   2 6.83325   2 2 sp 14.5 6.25  
AlN Wurtzite 3.1111 4.9788 4 5.879127 1.600334 2 4 sp 6.19 -  
AlP Zinc blende 5.4635   2 10.32452   2 2 sp 3.63 2.45  
AlAs Zinc blende 5.66139   2 10.69848   2 2 sp 3.13 2.229  
GaN Wurtzite 3.19 5.189 4 6.028226 1.626646 2 4 sp 3.503 -  
GaP Zinc blende 5.4506   2 10.30014   2 2 sp - 2.35  
GaAs Zinc blende 5.65359   2 10.68374   2 2 sp 1.52    
GaSb Zinc blende 6.09593   2 11.51964   2 2 sp - 0.822  
InN Wurtzite 3.5446 5.7034 4 6.698323 1.609039 2 4 sp 1.95 -  
InP Zinc blende 5.8687   2 11.09024   2 2 sp 1.42 -  
InAs Zinc blende 6.0583   2 11.44853   2 2 sp 0.42 -  
InSb Zinc blende 6.47937   2 12.24423   2 2 sp 0.24 -  
TiO2 Rutile 4.594 2.959 6 8.681402 0.644101 2 6 Ionic 3.03    
SnO2 Rutile 4.737 3.186 6 8.951633 0.672578 2 6 Ionic 3.6    
In2O3 Bixbyite 10.14   3 19.16182   2 40 Ionic 2.93    
ZnO Wurtzite 3.249 5.2042 4 6.13972 1.601785 2 4 transition metal 3.44 -  
ZnS Zinc blende 5.4053   2 10.21454   2 2 transition metal 3.723 -  
ZnSe Zinc blende 5.667   2 10.70908   2 2 transition metal 2.822 -  
ZnTe Zinc blende 6.0882   2 11.50503   2 2 transition metal 2.3945 -  
CdS Wurtzite 4.1348 6.749 4 7.81364 1.632243 2 4 transition metal 2.482 -  
CdSe Zinc blende 6.077   2 11.48387   2 2 transition metal 1.74 -  
CdTe Zinc blende 6.46   2 12.20763   2 2 transition metal 1.475 -  
HgTe Zinc blende 6.453   2 12.1944   2 2 transition metal -0.304 -  
PbS Rocksalt 5.936   2 11.21741   2 2 heavy metal-sp 0.41 -  
PbSe Rocksalt 6.124   2 11.57268   2 2 heavy metal-sp 0.278 -  
PbTe Rocksalt 6.482   2 12.2492   2 2 heavy metal-sp 0.319 -  
C(graphene) hexagonal 2.46   4 4.648726 - 1 2 sp 0    
C(graphite) hexagonal 2.461 6.708 4 4.650616 2.725721 1 4 sp 0.04    
CaF2 Flourence 5.462   2 10.32168   2 3 Ionic - 11.8 Substrate
BaF2 Flourence 6.17   2 11.65961   2 3 Ionic - 10 Substrate
α-SiO2 Quartz 4.913 5.404 4 9.284224 1.099939 2 9 Ionic - 10.3 Substrate
α-Al2O3 Corundum 4.7606 12.994 5 8.99623 2.729488 2 10 Ionic 8.8 - Substrate
H2O hexagonal 4.4969 7.3211 4 8.497909 1.628033 2 12 sp   7.8  
Ar fcc 5.256   2 9.932401   1 1 Noble gas - 14.2  
Kr fcc 5.721   2 10.81112   1 1 Noble gas - 11.6  
Xe fcc 6.197   2 11.71063   1 1 Noble gas - 9.8  

ATOMIC_POSITIONS {crystal}
Zinc blende/Diamond:
0.000 0.000 0.000
0.250 0.250 0.250

Rocksalt:
0.000 0.000 0.000
0.500 0.500 0.500

Wurtzite(ideal):
A 0.3333333333 0.6666666667 0.0000000000
A 0.6666666667 0.3333333333 0.5000000000
B 0.3333333333 0.6666666667 0.3750000000
B 0.6666666667 0.3333333333 0.8750000000

Flourence:
A 0.00000 0.00000 0.00000
B 0.25000 0.25000 0.25000
B 0.75000 0.75000 0.75000

cubic perovskite CaTiO3:
Ca 0.0000 0.0000 0.0000
Ti 0.5000 0.5000 0.5000
O 0.5000 0.0000 0.0000
O 0.0000 0.5000 0.0000
O 0.0000 0.0000 0.5000

TiO2:
Ti 0.0000 0.0000 0.0000
Ti 0.5000 0.5000 0.5000
O 0.3053 0.3053 0.0000
O 0.6947 0.6947 0.0000
O 0.8053 0.1947 0.5000
O 0.1947 0.8053 0.5000