Table 2.
Diamine | Mulliken Charges on Nitrogen Atoms a | |
---|---|---|
N1 | N2 | |
2a | −0.086 | −0.072 |
2b | −0.117 | −0.060 |
2c | −0.090 | −0.097 |
2d | −0.033 | −0.006 |
2e | −0.076 | −0.118 |
2f | −0.077 | −0.077 |
2g | −0.077 | −0.092 |
2h | −0.107 | 0.015 |
2i | −0.100 | −0.034 |
2j | −0.121 | 0.003 |
2k | −0.034 | −0.084 |
2n | −0.101 b | 0.041 c |
a Numbering of nitrogen atoms in the substituted benzenes corresponds to IUPAC rules; b charge on the nitrogen atom at position 3 of 3,4-diaminobenzoic acid; c charge on the nitrogen atom at position 4 of 3,4-diaminobenzoic acid.