Modern Polymer Spect..

276 5 Vibrational SiJectroscopy of Polypeptides
Table 5-9. (contiriued)
Observed" Calculated Potential energy distributionh
Raman IR A El El
-
693M 691Wsh 11 700
675
662W 658s L 660
637
618s I 608
589
I537
530VS
375s
328W
310s
294M
260M
209VW
189M
165M
159s
87W
375s i 374
-366Msh 367
3248 I 326
290M 11 307
259Wsh 264
240W 245
223VW 230
188M i 197
l63M I 155
120s 1 1 136
113MshI 96
84W 94
40
492
366
310
244
205
151
87
49
38
"2°C d(36) C"CN d(16)
CN t(32) CO ib( 18) C"C s( 14)
CN t(37) NH ob(21) NC"C d(12)
CN t(59) NH ob(43) NH...O ib(13)
CN t(47) NH ob(23) CO ob( 15) CO ibi 12)
CN t(68) NH ob(36) CO ob(26) NH.,.O ibill)
CO ib(29) C"CN d(21) c"C s(17) CB b2(17)
NH ob( 11)
NC'C d(31) C'T s(14) CTN d(1l) CO ib(1l)
NCT d(37) CO ib(17) (2°C s(16)
CO ob(16) NH ob(16) Cp b2(15) C"CN d(15)
CO ib( 15) CNC" d( 10)
CO ob(21) Cp bl(17) NC"C d(14) NH ob(13)
d b2(11)
Cp b2(49) C"CN d(22) Cp bl(16)
Cp b2(42) Cp bl(19) CO ib(16)
CNC" d(30) CO ib(20) Cp bl(20) CO ob(17)
Cp b2(34) CO ib(29) CNC" d(15)
C"C0 t(35) Cfi b2(14)
caCD t(91 j
co t(95)
C'CB t(63)
CTN d(27) Cp b2(25) Cp bl(12) CO ob(l0)
CaCN d( 15) Cp b2( 12) CO ob( 12)
CNC"d(33)C'CNd(19) Cp b1(14)NHob(14)
NC"C d( 12)
NH ob(43) CNC" d(20) NC'C d( 11)
CNC" d(34) CTN d(21) NC"C d(16) Co bl(12)
NH ob(24) C'C t(20) NC" t(l8) CN t(18) H...O ~(10)
CN t(27) NC" t(23) C"C t(22) H...O ~(15) NH ob(l0)
NH ob(33) NH-.O ib(20j Cp bl(12) NCT d(10)
CNC" d(l0)
NH ob(38j NC" t(24) H-.O s(23) CN t(15) Cp bl(13)
NH ob(58) Cp bl(20) H...O ~ (ll)
(2°C t(53) H...O ~(18)
a S: strong, M: medium, W: weak, V: very, sh: shoulder, 1): parallel dichroism, 1: perpendicular
dichroism.
s: stretch, as: antisyrnnietric stretch, ss: symmetric stretch, b: bend, ib: in-plane bend, r: rock,
d: deformation, t: torsion. Constributions 2 10.