Table 6 Qⁿ species distribution and network connectivity (NC) for silicon and aluminium in the SAN, SANK and SAK glasses simulated with the different interatomic potentials (PMMCS, Teter, SHIK,GS and CS).

SAN

Qⁿ Si

1

0.05 (0.10)

0.24 (0.12)

0.17 (0.09)

0.65 (0.16)

0.04 (0.08)

2

3.95 (0.52)

4.80 (0.47)

3.30 (0.16)

5.64 (0.19)

2.20 (0.58)

3

37.33 (1.08)

34.91 (1.55)

29.29 (0.43)

32.42 (1.42)

41.56 (0.82)

4

58.65 (0.57)

60.05 (1.00)

67.22 (0.61)

61.27 (1.27)

56.04 (0.27)

NC

3.545

3.548

3.635

3.543

3.533

Qⁿ Al

1

0.24 (0.16)

2

0.02 (0.01)

0.19 (0.17)

2.84 (0.98)

0.25 (0.32)

3

4.61 (0.83)

7.81 (1.53)

27.44 (2.66)

9.84 (1.45)

0.53 (0.41)

4

95.09 (0.89)

91.92 (1.35)

69.35 (2.63)

89.67 (1.65)

99.48 (0.41)

NC

3.942

3.915

3.656

3.887

3.995

SANK

Qⁿ Si

1

0.12 (0.09)

0.29 (0.13)

0.10 (0.01)

1.63 (0.37)

0.01 (0.01)

2

5.03 (0.39)

4.55 (0.23)

3.61 (0.32)

7.68 (1.06)

2.31 (0.45)

3

34.47 (1.05)

35.31 (0.65)

28.95 (0.88)

25.49 (1.00)

41.55 (1.03)

4

60.36 (0.69)

59.84 (0.50)

67.31 (0.62)

64.95 (0.69)

56.07 (0.57)

NC

3.550

3.547

3.634

3.532

3.536

Qⁿ Al

1

0.08 (0.16)

2

0.01 (0.00)

0.02 (0.03)

2.22 (0.58)

0.72 (0.64)

3

6.29 (0.66)

5.42 (1.03)

28.09 (1.84)

10.66 (1.97)

0.56 (0.73)

4

93.48 (0.77)

94.43 (1.07)

69.37 (1.93)

87.59 (2.87)

99.44 (0.73)

NC

3.928

3.940

3.662

3.838

3.994

SAK

Qⁿ Si

1

0.18 (0.12)

0.24 (0.10)

0.07 (0.09)

2.60 (0.21)

0.00 (0.00)

2

5.47 (0.50)

5.08 (0.58)

2.73 (0.66)

9.07 (1.00)

2.54 (0.40)

3

33.96 (0.94)

34.16 (1.01)

31.01 (0.76)

21.97 (0.73)

40.90 (0.79)

4

60.40 (0.53)

60.51 (0.43)

66.19 (0.33)

65.59 (1.08)

56.45 (0.39)

NC

3.546

3.549

3.633

3.490

3.536

Qⁿ Al

1

0.16 (0.18)

2

0.07 (0.10)

0.17 (0.17)

2.53 (1.12)

1.52 (0.31)

3

6.50 (1.19)

7.82 (1.05)

28.19 (1.09)

10.77 (1.27)

0.91 (0.27)

4

93.33 (1.19)

92.00 (0.89)

69.25 (2.01)

86.07 (1.04)

99.09 (0.27)

NC

3.930

3.918

3.666

3.798

3.991