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. 2022 Mar 22;7(13):11264–11275. doi: 10.1021/acsomega.2c00176

Table 3. Electrostatic (Eelst), Induction (Eind), Dispersion (Edisp), and Exchange (Eexch) Energies of the Optimized (PCl3)2 Homodimers Calculated in kcal/mol at the SAPT2 Level of Truncation under the Field-Free Condition and the Influence of the Negatively and Positively Directed EEF with Values Ranging from 0.002 to 0.008 au.

configuration EEF (au) Eelst (kcal/mol) Eind (kcal/mol) Edisp (kcal/mol) Eexch (kcal/mol) ETotal SAPT2 (kcal/mol)
σ-hole···σ-hole –0.008 –8.04 –4.53 –10.63 19.47 –3.73
  –0.004 –6.64 –3.67 –9.68 16.24 –3.75
  –0.002 –6.24 –3.44 –9.40 15.32 –3.76
  0.000 –6.28 –3.46 –9.42 15.41 –3.75
  +0.002 –6.32 –3.48 –9.45 15.50 –3.76
  +0.004 –6.54 –3.61 –9.62 16.03 –3.75
  +0.008 –8.11 –4.56 –10.61 19.55 –3.73
σ-hole···lp-hole –0.008 –2.44 –0.44 –6.89 6.36 –3.41
  –0.004 –2.67 –0.55 –7.31 6.86 –3.67
  –0.002 –3.95 –1.00 –8.00 9.01 –3.93
  0.000 –4.27 –1.10 –8.25 9.67 –3.94
  +0.002 –4.63 –1.23 –8.51 10.43 –3.94
  +0.004 –5.25 –1.44 –9.01 11.77 –3.92
  +0.008 –5.98 –1.73 –9.58 13.37 –3.92
lp-hole···lp-hole –0.008 –2.54 –0.36 –7.42 6.92 –3.40
  –0.004 –2.49 –0.35 –7.35 6.79 –3.40
  –0.002 –2.49 –0.35 –7.35 6.78 –3.40
  0.000 –2.48 –0.35 –7.33 6.75 –3.40
  +0.002 –2.53 –0.35 –7.39 6.88 –3.40
  +0.004 –2.49 –0.35 –7.34 6.78 –3.40
  +0.008 –2.54 –0.36 –7.41 6.91 –3.40