spectro.handouts - Appendix A. Typical uv Absorptions for...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Appendix A. Typical uv Absorptions for Simple Isolated Chromophores -Y-I.-I 5.L. A."i.i.Y-'l. i.-.; .:. ..Yiri='U- . . R,iY.,Y&.--- nitrile al kyne Chromophore a1 kene alcohol Transition &ax 11 to n' rr to n* - ether q K' 290 amine r~ cr* 190 log (€1 n I[* q o* ketone 160 170 11 0' arnide <l.O 3.0 175 180 R n* acid ester thiol 2.5 nitro - 3.5 . . I I q x* azo I rl no 1 340 1 <1.0 205 1.5
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Appendix B. Typical Infrared Absorptions vibration carbonyl (MI strttcb Alcohds 0-H stretch C-OH rtmtch C-OH in-plane bend GOE wag Alkanes C-H amkh CHZ wag CHt rPck C& wag CH3 twid Alkenes =CHI ~tmtch =CHI wag C=C stretch (cis isomer) C=C stretch (trans hmer) Amin- N-H stretch NH, C-N stW& C-N-C xissor mas C-0-C uymmetcical stretch 0-C-0 scissors Nitro compounl NO1 symmetrlcrrl stretch asy mmehical stretch NO, aciwrs NO2 rock Su~ones SO1 rymmetricnl SO, uymmdricd SOx scisso+s frcquepcy range (cm-') 1870 - 1650
Background image of page 2
Table of Characteristic IR Absorptions 3M(b36 10 (s. 4-1) 3500-3200 (s,b) 3MC3250 (m 3309-250 (m) 333Ib3270 (n. s) 3 I (HL?MM) I 1 ?Inlr-?(K)D l1111 31XKL2XSO (~n 2 X3&?hY 5 ( rn I ?26W?210{v) 22h(b? I (Kl (w I 1760- l M5 (s 1 1761Llh90 (ri 17S(C 1735 (s ) 174(L1720 (5 I 173G1715 1s) 1715 (\) 171(L1665 (5) 168% I M(l (~n) 16561580 im, 164HI-1585 155%1475 is3 150&1~ (1111 1470-1450 I 37Ib 1350 1 13Mb1290 1 335-1 250 (S ) 1320-1000 (s) 130~1150~m) 12561020 (in) 1000-650 (51 950-910 (m) 91(Mh5 (c. b, 9m75 851)-550 ( rn, 725-720 ( t11 I 70(M10(b. s) . 690-515 (rn) 0-H stretch. frre hydrnxyl sirerch. H-brtndrd N-H stretch &H strelch CC-H: C-H siretch C-H stretch =C-H stretch C-H stretch HX=0: C-H stretch C=N stretch -Car- s~retch C=O nre~ch C=O stre~ch C=O stretch C=O vretch C=O stretch C=O stretch C=O stretch -C=C- stretch N-H bend C< htrel~h (in-ring)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 16

spectro.handouts - Appendix A. Typical uv Absorptions for...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online