Problem

(a) Is CO2 linear or bent? (b) What hybridization is appropriate for the C atom? (c) Outli...

(a) Is CO2 linear or bent?


(b) What hybridization is appropriate for the C atom?


(c) Outline a bonding scheme for CO2 using the hybridization scheme you have suggested,


(d) What C—O bond order does your scheme imply?


(e) Draw a Lewis structure for CO2. Is this structure consistent with the results you obtained in parts (c) and (d)?

Table Results of a self-consistent Held quantum chemical calculation for H?0 using an orbital basis set of the atomic orbitals of the O atom and the ligand group orbitals of an H—H fragment. The axis set is defined in Fig. 5.15.

Atomic orbital or ligand group orbital O 2s O 2px

Percentage character of MOs with the sign of the eigenvector given in parentheses

 

•ψ1

ψ2

Ψ3

ψ4

ψ5

ψ6

O 2Ps

71 (+)

0

7(-)

0

0

22 (-)

O 2px

0

0

0

100(+)

0

0

O 2py

0

59 (+)

0

0

41 (-)

0

O 2pz

0

0

85 (—)

0

0

15(+)

H—H LGO(I)

29 (+)

0

8(+)

0

0

63 (+)

H—H LGO(2)

0

41 (-)

0

0

59 (-)

0

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Solutions For Problems in Chapter 5