Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Stretching aromatic

OO stretch cyclohexenone carbonyl C—C stretch, aromatic and cyclic unsaturation OC stretch, aromatic C-0 stretch, aryl methoxyl... [Pg.228]

E 1608 cm- carboxylic acid stretch Aromatic C=C stretch aromatic ring These bands are intense since the... [Pg.107]

G 1610 cm C=C stretch Aromatic ring stretch, broad band possibly obscuring amide N-H bend... [Pg.109]

FIGURE 2.16. Benzyl alcohol. O—H stretch intermolecular hydrogen bonded, 3329 cm . C—H stretch aromatic 3100-3000 cm. C—H stretch methylene, 2940-2860 cm Overtone or combination bands, 2000-1667 cm1. C=C ring stretch, 1501,1455 cm-1, overlapped by CH2 scissoring, about 1471 cm-. O—H bend, possibly augmented by C—H in-plane bend, 1209 cm. C—O stretch, primary alcohol (see Table 2.5) 1023 cm. Out-of-plane aromatic C—H bend,745 cm-1. Ring C=C bend,707 cm-1. [Pg.89]

N=0 stretching (aliphatic monomer), 1621-1539 cnr1 N=0 stretching (aromatic monomer), 1513-1488 crrr1 N=0 stretching (aliphatic dimer) trans, 1290-1176 cm-1 cis, 1420 -1330 and 1344 -1323 cm 1 N=0 stretching (aromatic dimer) trans,1299 -1253 cm-1 cis, 1409 and 1397-1389 cnr1... [Pg.71]

OH stretch Aromatic CH stretch Asymmetric and symmetric stretch of CH2 C=C stretch of vinyl group... [Pg.341]

C-CH3 deformation -CH2- deformation, N-CH3 deformation aromatic 0-N stretching C-S stretching aromatic CH out-ofplane deformation (1,2 jh-trisubstituted benzene ring) aromatic CH out-of-plane deformation (ortho-disubstituted benzene ring)... [Pg.443]

Characteristic of hydrochloride of tertiary amine C=0 stretch aromatic rings 2 adjacent hydrogens on phenyl ring... [Pg.553]

Infrared bands (frequency) cm Group assignments CHg symmetric stretch CHg asymmetric stretch Aromatic CH stretches 2,875 2,970 3,000-3,200 (1. 2)... [Pg.28]

Aldehydes and ketones Aldehyde C-H stretching Aliphatic aldehyde C=0 stretching Aliphatic ketone C=0 stretching Aromatic aldehyde C=0 stretching Aromatic ketone C=0 stretching... [Pg.77]

Esters Aliphatic C=0 stretching Aromatic C=0 stretching Aromatic C-O stretching Aliphatic C-O stretching... [Pg.77]

C—H stretch, aromatic ring The aromatic C—H stretch always occurs at a higher frequency than 3000 cm. ... [Pg.477]

C — C stretching Aromatics (4 characteristic bands due to skeletal carbon stretching vibrations) 6.25 6.63 6.90 ( 1600) ( 1580) ( 1500) Variable Variable Medium... [Pg.602]

FIGURE 2.9 Demonstration of the third overtone (4 v) harmonic and the second overtone (3 v) combination region, illustrating the relative intensities and band positions. The third overtone (4 v) near-infrared C-H stretching aromatic, methyl, and methylene band positions are shown. A region of second overtone (3 v) combination bands is also seen in this figure. [Pg.46]

C=C stretching Aromatic ring system (normally four bands)... [Pg.12]

See other pages where Stretching aromatic is mentioned: [Pg.511]    [Pg.239]    [Pg.239]    [Pg.109]    [Pg.88]    [Pg.1417]    [Pg.683]    [Pg.683]    [Pg.109]    [Pg.109]    [Pg.110]    [Pg.239]    [Pg.239]    [Pg.505]    [Pg.72]    [Pg.73]    [Pg.73]    [Pg.88]    [Pg.51]    [Pg.51]    [Pg.51]    [Pg.212]    [Pg.212]    [Pg.27]    [Pg.130]    [Pg.130]    [Pg.343]    [Pg.336]    [Pg.539]    [Pg.190]    [Pg.190]   
See also in sourсe #XX -- [ Pg.35 ]



SEARCH



Aromatic CH Stretching Frequencies

Aromatic compounds infrared stretching frequency

Aromatic ring stretching

Aromatic stretching, FTIR

Aromatics CH stretchings

© 2024 chempedia.info