preface to fifteenth edition

SPECTROSCOPY 7.61
TABLE 7.26
Absorption Frequencies of Miscellaneous Bands (Continued)
Group Band,cm 1 Remarks
Phosphorus compounds (continued)
P"S
865–655 (m–s)
595–530 (var)
P
S
OH
3100–3000 (w)
2360–2200 (w)
935–910 (s)
810–750 (m–s)
655585 (var)
PO stretching
P"S stretching
P"S stretching
Silicon compounds
Si9H
2250–2100 (s)
985–800 SiH 3 has two bands.
Si9C 860–760 Accompanied by CH 2 rocking
Si9C 1280–1250 (s) Sharp
Si9C 2 H 5
1250–1220 (m)
1020–1000 (m)
970–945 (m)
Si9Aryl 1125–1090 (vs) Splits into two bands when two aryl
groups are attached to one silicon atom,
but has only one band when three aryl
groups attached
Si9OH 870–820 OH deformation band
Si9O9Si 1100–1000
Si9N9Si
Si9Cl
SiCl 2
9SiCl 3
940–870 (s)
550–470 (s)
250–150
595–535 (s)
540–460 (m)
625–570 (s)
535–450 (m)
Boranes
BH or 9BH 2
Boron compounds
2640–2450 (m–s)
2640–2570 (m–s)
2535–2485 (m–s)
2380–2315 (s)
2285–2265 (s)
2140–2080 (w–m)
2580–2450 (m)
Free H in BH
Free H in BH 2 plus second band
In complexes; second band for BH 2
Bridged H
Borazoles and borazines