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Table V. Comparison between the W[Q5;Q5;TQ5] and W[56;56;Q56] approaches [a]. Energies are in kcal/mol.

W[56;56;Q56]

Error

W[Q5;Q5;TQ5]

Error

W[56;56;Q56]

Tot. Atom.

Tot. Atom.

— W[Q5;Q5;TQ5]

Energy [a]

Energy [a]

N2

227.94

-0.48

228.03

-0.39

-0.09

O2

119.68

-0.54

119.60

-0.62

0.08

F2

37.67

-0.57

37.63

-0.61

0.04

HF

141.14

-0.04

141.15

-0.03

0.00

CO

259.18

-0.09

259.21

-0.06

-0.03

NO

152.12

-0.42

152.09

-0.44

0.02

H2O

232.55

-0.05

232.62

0.02

-0.08

a) See text for definition of approaches.