What absorbs at 1321 cm⁻¹ in an FTIR spectrum?
A band near 1321 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 7 cited sources
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Alkyl C-H | 5 | 3 | 1.0 |
| Carbonate | 1 | 1 | 0.9 |
| Ammonium | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
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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Alkyl C-H uaminifu 0.95
“Explicit assignment: C-H vibration absorption peak of PEG.”
Liu 等 - 2022 - Modification of Poplar Wood via Polyethylene Glyco DOI: 10.3390/f13081204 -
uaminifu 0.9
“Explicit assignment: '1321 (sulfone)'”
Ouali 等 - 2021 - Ozone compatibility with polymer nanofiltration me DOI: 10.1016/j.memsci.2011.07.018. -
C-O single bond uaminifu 0.9
“At 1321 cm-1 appears the peak of the C-O stretch group.”
Popa 等 - 2010 - Inclusion and release of theophylline from chitosa DOI: 10.3906/kim-0812-29 -
Ammonium uaminifu 0.9
“Text: 'peak at 1321 corresponds to twisting mode of NH3+'”
Priya 和 Azhagan - 2023 - Influence of succinic acid species on structural, DOI: 10.15251/DJNB.2023.181.55 -
Alkyl C-H uaminifu 0.9
“Explicit assignment in snippet: '1321 1316 CH deformation'”
Rehman 等 - 2018 - Ecofriendly Isolation of Cellulose from Eucalyptus DOI: 10.1155/2018/8381501 -
Carbonate uaminifu 0.9
“Bands at 1426, 1321, 873 assigned to carbonate [14,38].”
Vidotto 等 - 2022 - A Comparative EPR Study of Non-Substituted and Mg- DOI: 10.3390/cryst12020297 -
Alkyl C-H uaminifu 0.7
“Text: '1321 n-C/P/D 1%/G' and 'cm-1 cm-1 (vibration of CH)'.”
Hedayatyanfard 等 - 2019 - Semi-IPN Films and Electrospun Nanofibers Based on DOI: 10.22037/ijpr.2019.1100712
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Pakia wigo wako wa FTIR na upate ripoti kamili ya tafsiri — ugawaji wa vilele na marejeleo ya fasihi, ulinganishaji wa maktaba, na mlolongo wa ushahidi wenye kiwango cha uaminifu — kwa sekunde.
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