Number | Angle | Exp. Angle (Å) | Angle HF/ 6-31+G(d) | %Error Abs. | Angle B3LYP/ 6-31+G(d) | %Error Abs. | Angle B3LYP/ 6-311+G(d) | %Error Abs. | Angle BVP86/ 6-31+G(d) | %Error Abs. | Angle PBEPBE/ 6-31+G(d) | %Error Abs. |
1 | H1A C1 H1C | 109.50 | 108.36 | 1.04 | 108.29 | 1.10 | 108.28 | 1.12 | 108.22 | 1.16 | 108.22 | 1.17 |
2 | H1A C1 C2 | 109.40 | 109.70 | 0.27 | 109.58 | 0.16 | 109.60 | 0.19 | 109.53 | 0.12 | 109.56 | 0.15 |
3 | C1 C2 H2A | 110.40 | 111.72 | 1.20 | 111.96 | 1.41 | 111.93 | 1.38 | 112.08 | 1.52 | 112.06 | 1.50 |
4 | C1 C2 O1 | 106.60 | 107.35 | 0.70 | 107.43 | 0.78 | 107.46 | 0.81 | 107.32 | 0.68 | 107.36 | 0.71 |
5 | H2A C2 H2B | 108.60 | 108.23 | 0.34 | 107.98 | 0.57 | 107.87 | 0.67 | 107.88 | 0.66 | 107.79 | 0.74 |
6 | H2A C2 O1 | 110.40 | 108.89 | 1.37 | 108.74 | 1.50 | 108.82 | 1.43 | 108.73 | 1.51 | 108.79 | 1.46 |
7 | N2 C3 O1 | 111.80 | 110.94 | 0.77 | 110.21 | 1.42 | 110.09 | 1.53 | 109.72 | 1.86 | 109.74 | 1.84 |