References
201
bc
P for the molecular orbital configuration
2
2
2
1
1
2
3
(MO) ( ) ( ) ( )
is
equivalent to the B-atom odd-electron charge of Eqn. (25) for “increased-valence”
structure (13). The B-C bond-number for structure (13), namely the weight W 12 of
Eqn. (22), is equal to
2
bc
P for 1 (MO)
when μ = k. For this value of μ, the A-B
and C-D bond-orders for “increased-valence” structure (13) and 1 (MO)
are
identical, with each having a value of
2
/ (1
)
k
k
.
References
1. W.P. Griffiths, Quart. Revs., 16, 188 (1962).
2. E.W. Abel, Quart. Revs., 17, 133 (1963).
3. M. Orchin and H.H. Jaffe, “The Importance of Antibonding Orbitals” (Houghton, Mifflin, 1967).
4. J. Chatt, Pure and Appl. Chem., 24, 425 (1970).
5. J. Chatt, Proc. Roy. Soc., 172B, 327 (1969).
6. E.A.C. Lucken, J. Chem. Soc., 2954 (1959).
7. J.F.A. Williams, (a) Trans. Farad. Soc., 57, 2089 (1961); (b) Tetrahedron, 18, 1477
(1962).
8. R.D. Spratley and G.C. Pimentel, J. Amer. Chem. Soc., 88, 2394 (1966).
9. R.G. Pearson, Accounts Chem. Res., 4, 152 (1970).
10. R.S. Drago and B.D. Corden, Accounts Chem. Res., 13, 353 (1980).
11. R.D. Harcourt. J. Chem. Educ., 45, 779 (1968) and references 3, 47 and 48 therein; 46,
856 (1969).
12. R.D. Harcourt, J. Amer. Chem. Soc. (a) 100, 8060 (1978); 101, 5456 (1979); (b) 102,
5195 (1980); 103, 5623 (1981).
201
bc
P for the molecular orbital configuration
2
2
2
1
1
2
3
(MO) ( ) ( ) ( )
is
equivalent to the B-atom odd-electron charge of Eqn. (25) for “increased-valence”
structure (13). The B-C bond-number for structure (13), namely the weight W 12 of
Eqn. (22), is equal to
2
bc
P for 1 (MO)
when μ = k. For this value of μ, the A-B
and C-D bond-orders for “increased-valence” structure (13) and 1 (MO)
are
identical, with each having a value of
2
/ (1
)
k
k
.
References
1. W.P. Griffiths, Quart. Revs., 16, 188 (1962).
2. E.W. Abel, Quart. Revs., 17, 133 (1963).
3. M. Orchin and H.H. Jaffe, “The Importance of Antibonding Orbitals” (Houghton, Mifflin, 1967).
4. J. Chatt, Pure and Appl. Chem., 24, 425 (1970).
5. J. Chatt, Proc. Roy. Soc., 172B, 327 (1969).
6. E.A.C. Lucken, J. Chem. Soc., 2954 (1959).
7. J.F.A. Williams, (a) Trans. Farad. Soc., 57, 2089 (1961); (b) Tetrahedron, 18, 1477
(1962).
8. R.D. Spratley and G.C. Pimentel, J. Amer. Chem. Soc., 88, 2394 (1966).
9. R.G. Pearson, Accounts Chem. Res., 4, 152 (1970).
10. R.S. Drago and B.D. Corden, Accounts Chem. Res., 13, 353 (1980).
11. R.D. Harcourt. J. Chem. Educ., 45, 779 (1968) and references 3, 47 and 48 therein; 46,
856 (1969).
12. R.D. Harcourt, J. Amer. Chem. Soc. (a) 100, 8060 (1978); 101, 5456 (1979); (b) 102,
5195 (1980); 103, 5623 (1981).
