o

Previous data (*), (**)

Present work

d(A)˚

d(A)˚

16.90

4.83842

4.83842

17.55

2.96446

2.96446

22.01

2.52808

2.52808

24.50

2.42134

2.42134

29.01

2.09698

2.09698

32.29

2.03174

2.03174

33.8

1.93811

1.93811

37.85

1.61423

1.61423

44.30

1.4831

1.4831