parameter

value

valence band width (G point)
(eV)

direct gap
(G point)
(eV)

indirect gap
(G -X points)
(eV)

         

integration

1

12.4026

2.1711

0.2706

of matrix elements

2

12.3865

2.1675

0.2721

(parameter 2)

3

12.3872

2.1664

0.2701

 

4

12.3874

2.1662

0.2696

         

auxiliary basis set

1

12.4557

1.9745

*

(parameter 3)

2

12.3865

2.1675

0.2721

 

3

12.1001

2.6683

0.7581

         

 

Table 8 - Dependence of various features of the band structure of silicon on computational parameters (NB: a metallic solution arose due to the closure of the indirect gap in the calculation marked *)