pbepbe/6-31+G(d)

HF/6-31+G(d,)

bvp86/6-31+G(d)

B3LYP/6-31+G(d)

B3LYP/6-311+G(d,p)

Average (% Error)

10.40

11.31

13.68

8.98

7.56

Std. Dev.

7.03

7.87

7.81

5.54

5.64

% RSD

67.57

69.53

57.10

61.70

74.56

CI (0.05)

4.59

5.14

5.10

3.62

3.68