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preface to fifteenth edition

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7.44 SECTION 7<br />

TABLE 7.20<br />

Absorption Frequencies of Single Bonds <strong>to</strong> Hydrogen (Continued)<br />

Group Band, cm 1 Remarks<br />

Alkane residues attached <strong>to</strong> miscellaneous a<strong>to</strong>ms (continued)<br />

C"C<br />

H<br />

H<br />

3095–3075 (m)<br />

2985–2970 (m)<br />

CH stretching sometimes obscured by<br />

much stronger bands of saturated CH<br />

groups<br />

R<br />

H<br />

C"C<br />

H<br />

H<br />

995–980 (s)<br />

940–900 (s)<br />

ca 635 (s)<br />

485–445 (m–s)<br />

R<br />

R<br />

C"C<br />

H<br />

H<br />

895–885 (s)<br />

560–530 (s)<br />

470–435 (m)<br />

R<br />

H<br />

C"C<br />

H<br />

R<br />

980–955 (s)<br />

455–370 (m–s)<br />

H<br />

R<br />

C"C<br />

H<br />

R<br />

730–655 (m)<br />

670–455 (s)<br />

R<br />

R<br />

C"C<br />

H<br />

R<br />

850–790 (m)<br />

570–515 (s)<br />

525–470 (s)<br />

9O9CH"CH 2 965–960 (s)<br />

945–940 (m)<br />

820–810 (s)<br />

9S9CH"CH 2 ca 965 (s)<br />

ca 860 (s)<br />

9CO9CH"CH 2<br />

9CO9OCH"CH 2<br />

9CO9C"CH 2<br />

9CO9OC"CH 2<br />

9O9CH"CH9<br />

9CO9CH"CH9<br />

trans<br />

trans<br />

995–980 (s)<br />

965–955 (m)<br />

950–935 (s)<br />

870–850 (s)<br />

ca 930 (s)<br />

880–865<br />

940–920 (s)<br />

ca 990 (s)<br />

Hydroxyl group O9H compounds<br />

Primary aliphatic alcohols 3640–3630 (s)<br />

1350–1260 (s)<br />

1085–1030 (s)<br />

Only in very dilute solutions in nonpolar<br />

solvents<br />

OH bending<br />

Also broad band at 700–600 cm 1

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