Average Errors in Bond Angles (Degrees )

     Element PM6 No. in setPM5No. in set PM3 No. in set AM1 No. in set
  3 Lithium 7.79 28 6.82 28 3.44 28 9.65 28
  4 Beryllium 6.61 14 6.44 14 6.91 14 5.94 14
  5 Boron 3.27 31 4.41 31 4.61 32 - -
  6 Carbon 2.50 134 2.79 134 2.75 131 2.25 131
  7 Nitrogen 7.32 37 8.01 37 6.79 35 7.80 31
  8 Oxygen 12.14 59 11.12 58 8.97 55 9.31 43
  9 Fluorine 8.32 3 16.18 3 19.27 3 24.87 2
11 Sodium 21.00 4 2.87 4 3.42 4 5.26 4
12 Magnesium 8.44 24 7.28 24 13.80 24 6.90 24
13 Aluminium 4.05 20 5.26 20 7.22 19 4.24 19
14 Silicon 5.25 35 3.37 35 2.81 34 2.93 34
15 Phosphorus 3.24 35 4.40 35 5.88 36 4.96 36
16 Sulfur 5.23 46 5.64 45 5.39 41 5.05 41
17 Chlorine 3.65 5 19.47 5 10.09 5 14.87 5
19 Potassium 17.90 11 10.27 11 14.80 11 13.69 11
20 Calcium 14.99 16 11.35 16 17.03 16 18.50 16
21 Scandium 7.98 32 8.10 32 - - - -
22 Titanium 7.86 39 12.13 39 - - - -
23 Vanadium 7.46 44 7.24 44 - - - -
24 Chromium 3.77 19 4.97 19 - - - -
25 Manganese 6.02 26 7.04 26 - - - -
26 Iron 11.21 30 4.91 30 - - - -
27 Cobalt 10.68 29 7.29 29 - - - -
28 Nickel 10.44 48 23.56 50 - - - -
29 Copper 10.77 44 20.00 44 - - - -
30 Zinc 10.92 27 14.41 27 8.30 27 14.31 27
31 Gallium 4.43 18 10.86 18 13.56 18 11.05 18
32 Germanium 4.58 52 5.37 52 8.82 53 5.73 53
33 Arsenic 6.29 36 6.52 36 6.55 36 5.08 36
34 Selenium 7.27 24 16.16 24 12.38 23 5.40 23
35 Bromine 12.64 4 20.03 4 19.10 3 3.22 3
37 Rubidium 9.69 11 10.20 11 21.38 11 6.37 11
38 Strontium 18.16 25 32.91 25 33.60 25 30.80 25
39 Yttrium 12.29 34 8.98 34 - - - -
40 Zirconium 10.36 12 7.68 12 - - - -
41 Niobium 6.54 23 8.49 23 - - - -
42 Molybdenum 8.15 27 12.96 27 - - 8.25 27
43 Technetium 4.96 22 10.41 22 - - - -
44 Ruthenium 6.93 34 7.56 34 - - - -
45 Rhodium 10.66 22 17.00 22 - - - -
46 Palladium 9.19 46 5.80 46 - - - -
47 Silver 23.36 9 24.67 9 - - - -
48 Cadmium 15.23 10 13.52 10 20.03 10 - -
49 Indium 4.47 17 7.21 17 5.27 17 5.02 17
50 Tin 3.06 34 4.09 34 3.74 34 8.53 34
51 Antimony 6.49 41 12.24 41 6.28 41 4.98 41
52 Tellurium 4.85 25 7.00 25 4.41 25 5.81 25
53 Iodine 8.33 1 12.55 1 20.57 1 4.58 1
55 Cesium 15.50 12 8.52 12 19.21 12 11.34 12
56 Barium 28.65 10 28.43 10 34.72 10 43.21 10
57 Lanthanum 9.25 14 - - - - - -
71 Lutetium 7.08 26 - - - - - -
72 Hafnium 5.64 10 6.28 10 - - - -
73 Tantalum 9.88 15 8.56 15 - - - -
74 Tungsten 10.90 9 7.58 9 - - - -
75 Rhenium 7.39 32 8.28 32 - - - -
76 Osmium 12.67 10 7.31 11 - - - -
77 Iridium 7.86 18 17.26 18 - - - -
78 Platinum 5.92 72 6.85 72 - - - -
79 Gold 13.59 16 12.58 16 - - - -
80 Mercury 20.20 15 20.99 15 18.37 15 21.81 15
81 Thallium 5.73 10 10.28 10 15.10 10 20.25 10
82 Lead 4.33 20 5.24 20 4.81 20 3.49 19
83 Bismuth 8.01 25 21.74 25 8.20 25 34.36 25
All elements 7.86 1681 9.55 1642 8.50 904 8.77 871