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. Author manuscript; available in PMC: 2015 Jul 31.
Published in final edited form as: J Phys Chem A. 2015 May 18;119(22):5865–5882. doi: 10.1021/acs.jpca.5b03159

Table 8.

The percentage of charge fluctuation contributions to the total molecular polarizability of 21 molecules, as defined in Eq. 22 using different charge schemes.

Löwdin Mulliken Becke Hirshfeld (CM5) Hirshfeld-I NPA CHELPG MK-ESP
acetic acid 62.41 93.27 59.33 56.90 74.84 63.97 93.99 94.52
adenine 72.20 90.30 70.28 69.59 80.90 71.38 91.33 92.08
alanine 70.48 106.17 67.69 66.45 80.94 68.36 98.68 99.19
ammonia 47.11 83.87 44.13 39.16 76.69 55.01 94.84 95.73
benzene 73.32 104.17 69.36 68.07 82.13 73.92 86.53 87.29
dodecahexene 86.66 101.49 84.80 84.17 91.35 86.64 93.24 93.65
ethanol 62.86 109.12 58.34 55.73 79.20 65.67 97.46 98.53
formamide 61.16 85.11 57.26 55.08 74.80 64.48 82.03 82.78
formic acid 56.63 76.11 52.88 50.94 70.74 59.51 80.30 80.83
indole 75.68 102.60 72.67 71.83 83.45 75.10 87.24 87.83
methanal 53.50 82.21 49.92 46.43 69.44 60.48 79.57 80.75
methane 59.29 115.66 51.67 45.48 76.70 66.27 94.97 96.48
methanol 58.40 99.43 53.70 50.29 77.11 63.43 95.91 97.12
methyl ether 62.88 106.10 58.67 55.46 78.78 65.41 96.99 98.06
mNA 74.62 94.78 72.54 71.69 82.54 74.29 91.85 92.53
neopentane 67.84 121.09 64.04 61.52 81.84 66.77 97.69 98.82
pNA 76.80 95.08 74.75 73.86 84.24 76.77 91.98 92.61
thymine 71.93 95.14 69.64 68.26 80.34 71.28 93.51 94.27
uracil 71.02 89.43 68.76 67.35 79.11 71.05 88.44 90.68
valine 70.77 109.47 68.32 67.03 81.92 68.18 98.78 99.32
water 38.52 60.61 37.03 33.52 71.45 47.32 78.74 79.14
average 65.43 96.25 62.18 59.94 78.98 67.40 91.15 92.01