Additions and Corrections
280
ADDITIONS AND CORRECTIONS
1976, Volume 80
D. W. Beistel a n d W. Dan Edwards: The Internal Chemical Shift-A Key to Bonding in Aromatic Molecules. 2. Substituent Effects on Carbon-13 Magnetic Resonance Spectra of the 1,4-Disubstituted Benzenes. Page 2024. The column heads in Table I1 are incorrectly placed. The corrected table is given below. TABLE 11: "C Shifts of the 4-Z-Substituted Benzonitriles (in ppm) Relative to TMS 2 NMe
"2
OMe OH Me H
c1
Br I COMe NO 2
-D.
C=N
C,(Z)
C,(Z)
C3(CN)
C,(CN)
120.48 120.04 119.01 119.0 118.93 118.65 117.70 117.78 117.86 117.70 116.67
150.34 150.44 162.7 160.12 143.49 132.58 139.40 127.78 100.00 139.84 150.0
111.31 114.29 114.68 116.39 129.64 128.97 129.52 133.17 138.29 128.53 124.17
133.14 133.57 133.77 134.17 131.83 131.98 133.17 132.46 132.94 132.30 133.33
97.22 99.76 103.85 102.98 109.29 112.46 110.75 111.27 111.71 116.23 118.29
W. Beistel
The Journal of Physical Chemistry, Vol. 81, No. 3, 1977
"23
-21.83 -19.28 -19.09 -17.78 - 2.19 -3.01 -3.65 0.71 5.35 13.771 19.161
