2596 CAN. J . CHEM. VOL. 51. 1973

Erratum: Investigations of Substituent Effects by Nuclear Magnetic Resonance Spectroscopy and All-valence Electron Molecular Orbital Calculations. 11.

4-Substituted a-Methylstyrenes and a-t-Butylstyrenes

G. K. HAMER, I. R. PEAT, A N D W. F. REYNOLDS Deprlrt~~ze~lt of Che~nislry, U~liversity of Toro~llo. Toro~lto, 01ztario M5S / A /

Received April 16, 1973

(Ref. Can. J . Chern., 51, 915 (1973))

Can. J . Chem.. 51. 2596 (1973)

Table 2 on page 917 should read as follows:

TABLE 2. Vinyl proton chemical shifts (in p.p.rn. relative to (CH3),Si) and coupling constants (in Hz) for

4-substituted a-1-butylstyrenes at infinite dilution in cyclohexane-d,

... . ..........-. ...-..... .

Substituent 6"" &I, AWB - C) JBC - - . -. .................--.. ..

H 4.7200 5.1367 -0.4167 1.79 CH3 4.6958 5.1092 -0.4134 1.87 C(CH3)j 4.7110 5.1156 -0.4046 1.87 F 4.7256 5.1513 -0.4257 1.68 CI 4.7247 5.1538 -0.4291 1.60 Br 4.7247 5.1518 -0.4271 1.58 OCH3 4.7035 5.1088 -0.4053 1.91 N(CH3), 4.6896 5.0776 -0.3880 2.07 NO 2 4.7780 5.2399 -0.4619 1.19

-

Erratum: Structure of Radicals Produced by y-Radiolysis. Part 2. Radicals Derived from 5-Membered Alicyclic Molecules

RON E. LINDER A N D A. CAMPBELL LING Depart~?ze~lt o f ' C / l e ~ , ~ i s t ~ y . West Virgi~~irr U ~ ~ i ~ ~ e r s i t y , M o r g r i ~ ~ t o ~ ~ ~ , W.V. 26506

Received May 8, 1973

(Ref.: Can. J . Chem. 50, 3982 (1972))

Can. J . Chem.. 51, 2596 (1973)

In Table 1 of that article, the data given for the cyclopentenyl radical should read H I

H2Q-: a, = 3.0 a, = 3.1

a, = 14.0 a, = 14.0

H,. a, = 21.5 a, = 21.6 H, H3

where data for hyperfine splitting constants a, and a, have become interchanged in this line of the table.

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