What absorbs at 1318 cm⁻¹ in an FTIR spectrum?
A band near 1318 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 8 cited sources
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1,0 |
| Carbohydrate | 2 | 2 | 1,0 |
| S eq o | 2 | 2 | 1,0 |
| Acetyl | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
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Tài liệu tham khảo đằng sau các gán này
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Hydroxyl (O-H) độ tin cậy 1,0
“1462-1300cm(cid:2)1 cm(cid:2)1 (H2-COH) except the peak at 1318 in spectrum of sample A' to aldehyde correlated to the oxidation of primary alcohol 4 A.”
Structural characterization of Argania spinosa Moroccan wooden artifacts during natural degradation progress using infrared spectroscopy (ATR-FTIR) and X-Ray diffraction (XRD) DOI: 10.1016/j.heliyon.2019.e02477 -
S eq o độ tin cậy 1,0
“(cm(cid:3)1) Band Vibration mode Main attribution Raw material Standard b-D-glucan M26/08 M49/07 M23/08 C@O 1647 v Conjugated carbonyl 1648 1655 1655 1646 CAH das 1445 CH3, CH2 1431 1436 1431 1420 CAH ds 1379 CH3 1374 1375 1375 1377 SAO 135”
Choong 等 - 2014 - Identification of geographical origin of Lignosus DOI: 10.1016/j.molstruc.2014.04.001 -
S eq o độ tin cậy 1,0
“1374 1376 1374 1375 1377 1378 SAO 1350vas Asymmetric SO2 stretching 1318 1318 1324 1318 1310 CAOAC”
Differential identification of mushrooms sclerotia by IR macro-fingerprint method DOI: 10.1016/j.saa.2015.07.054 -
Acetyl độ tin cậy 1,0
“In the ASP spectrum, the 319 cm-1 absence of a band at 1415 present in WSP and CSP, spectra indicate that it is 320 cm-1 either overlapped with a strong band at 1318 or due to the absence of O-acetyl-”
Lefsih 等 - 2016 - Extraction, characterization and gelling behavior DOI: 10.1016/j.ijbiomac.2015.10.046 -
Alkyl C-H độ tin cậy 1,0
“HPβCD spectra gave peaks at 1080.12 (C-O-C stretch), 2910 cm-1 showed a peak at 3251 (for broad OH carboxylic), 3067 (for NH guanidine), cm-1 cm-1 cm-1 2860 (CH stretch), 1318 (CN stretch), and 1563 (presence of amide).”
Awais 等 - 2023 - Enhanced Solubility and Stability of Aripiprazole DOI: 10.3390/molecules28093860 -
Alkyl C-H độ tin cậy 1,0
“cm-1 stretching) present in hemicellulose composent, 1639 (frequency of deformation cm-1 cm-1 vibration of CH and CH groups are located), 1371 (C-H band),1318 (CH 2 cm-1 bending mode), 1281 (C-O stretching mode of ester group) stretch of th”
Boudjema 等 - 2020 - Green composites based on Atriplex halimus fibers DOI: 10.1515/polyeng-2020-0068 -
Carbohydrate độ tin cậy 1,0
“β-(1-4)-glycosidic cellulose peaks (1318 and v asC-O-C bridge of linkage: 1158 cm-1, The relative observed differences were manifested in the profiles of 3700-3000”
Impact of Natural Degradation on the Aged Lignocellulose Fibers of Moroccan Cedar Softwood: Structural Elucidation by Infrared Spectroscopy (ATR-FTIR) and X-ray Diffraction (XRD) DOI: 10.3390/fermentation8120698 -
Alkyl C-H độ tin cậy 1,0
“Other absorption bands are 1240 (C-O stretching), 1318 cm-1 cm-1 (C-H bending), 1370 (C-H deformation and bending), 1440 (C-H bending), cm-1 cm-1 1514 (C=C-C aromatic ring stretching), 1100 (C-O and C-C stretching) and cm-1 1160 (C-O-C asym”
Multi-Analytical Approach to Evaluate Elements and Chemical Alterations in Pteris vittata Plants Exposed to Arsenic DOI: 10.3390/w15071333
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