What absorbs at 3217 cm⁻¹ in an FTIR spectrum?
A band near 3217 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 5 cited sources
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| N h | 2 | 2 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| C=n | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
Cheo kinaonyesha ushahidi wa fasihi uliokusanywa, si sheria moja yenye mamlaka. Thibitisha kila mara dhidi ya mazingira ya sampuli yako.
Fasihi nyuma ya ugawaji huu
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Hydroxyl (O-H) uaminifu 1.0
“In addition, the peaks at cm-1 cm-1 3217 (OH stretching) and 2929 (CH stretching) were also detected.”
Biosynthesis of Silver Nanoparticles Using Brown Marine Macroalga, Sargassum Muticum Aqueous Extract DOI: 10.3390/ma6125942 -
uaminifu 1.0
“3217.0 w 3057 due to stretching vibrations of the amine group in the physical mixture were shifted to”
Garbacz 等 - 2020 - Structural Characterization of Co-Crystals of Chlo DOI: 10.3390/pharmaceutics12070648 -
C=n uaminifu 1.0
“The cm-1 broad peak at 3217.01 in the spectra of the The microspheres appeared to be spherical and pure drug corresponds to C=N group.”
Jain 等 - 2013 - Formulation and Evaluation of Spray-Dried Esomepra DOI: 10.4314/tjpr.v12i3.4 -
Amide uaminifu 1.0
“In comparison, the additional amide A sub-band originating from the -CH2=Nmode (around 3217 cm-1) remains unchanged regardless of the aging type (Figure S7) [42].”
Spectral Features Differentiate Aging-Induced Changes in Parchment—A Combined Approach of UV/VIS, -ATR/FTIR and -Raman Spectroscopy with Multivariate Data Analysis DOI: 10.3390/molecules28124584 -
N h uaminifu 0.9
“Explicit assignment: 'broad main absorption peaks at 3217 cm-1 due to the stacking of monomer'.”
Diauudin 等 - 2020 - Preparation and Characterisation of Polypyrrole-Ir DOI: 10.1155/2020/8762969
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