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preface to fifteenth edition

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SPECTROSCOPY 7.87<br />

TABLE 7.39<br />

Raman Frequencies of Miscellaneous Compounds<br />

Abbreviations Used in the Table<br />

m, moderately strong vs, very strong<br />

s, strong vvs, very very strong<br />

GroupBand, cm<br />

1<br />

Remarks<br />

C9As 570–550 (vs) CAs stretching<br />

240–220 (vs) CAsC deformation<br />

C9Pb 480–420 (s) CPb stretching<br />

C9Hg 570–510 (vvs) CHg stretching<br />

C9Si 1300–1200 (s) CSi stretching<br />

C9Sn 600–450 (s) CSn stretching<br />

P9H 2350–2240 (m) PH stretching<br />

Heterocyclic rings<br />

Trimethylene oxide 1029<br />

Trimethylene imine 1026<br />

Tetrahydrofuran 914<br />

Pyrrolidine 899<br />

1,3-Dioxolane 939<br />

1,4-Dioxane 834<br />

Piperidine 815<br />

Tetrahydropyran 818<br />

Morpholine 832<br />

Piperazine 836<br />

Furan 1515–1460<br />

1140<br />

Pyrazole 1040–990<br />

Pyrrole<br />

1420–1360 (vs)<br />

1144<br />

Thiophene<br />

1410 (s)<br />

1365 (s)<br />

1085 (vs)<br />

1035 (s)<br />

832 (vs)<br />

610 (s)<br />

Pyridine<br />

1030 (vs)<br />

990 (vs)<br />

2-Substituted

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