What absorbs at 1278 cm⁻¹ in an FTIR spectrum?
A band near 1278 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Methoxy (OCH3) | 8 | 7 | 1.0 |
| Methacrylate | 8 | 7 | 1.0 |
| C-O single bond | 8 | 7 | 1.0 |
| Acetate | 8 | 7 | 1.0 |
| Alkyl C-H | 3 | 3 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Protein | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Hydroxyl (O-H) 信心 1.0
“The O-H and C-O-C cm-1, stretching vibrations produce peaks at 1278 and 1095 respectively [44].”
Formulation and Characterization of Fe3O4@PEG Nanoparticles Loaded Sorafenib; Molecular Studies and Evaluation of Cytotoxicity in Liver Cancer Cell Lines DOI: 10.3390/polym15040971 -
Alkyl C-H 信心 1.0
“The main characteristic bands at 1278 cm-1 correspond to the -CH group”
Influence of Electrospinning Parameters on Fiber Diameter and Mechanical Properties of Poly(3-Hydroxybutyrate) (PHB) and Polyanilines (PANI) Blends DOI: 10.3390/polym8030097 -
Acetate 信心 1.0
“618 cm-1 cm-1 vibrations), 1509 (C=O and C=C vibrations), 1428 (olefinic C-H bending vibrations), cm-1 cm-1 1278 (aromatic C-O stretching vibrations), 1024 (C-O-C stretching vibrations) [13].”
Ahmed 等 - 2021 - STRUCTURAL AND OPTICAL CHARACTERISTICS OF POLY(VIN DOI: 10.4314/bcse.v35i3.12 -
Hydroxyl (O-H) 信心 1.0
“In addition, two other cm-1 the nanoparticles in the formulation can be utilized for characteristic bands are observed at 1278 and 1058 O-H C-O-H target the cancer cells by the application of external magwhich belongs to the and stretching”
Ebadi 等 - 2019 - Synthesis and properties of magnetic nanotheranost DOI: 10.2147/IJN.S214923 -
Alkyl C-H 信心 1.0
“Biomolecules 2021, 11, x FOR PEER REVIEW 4 of 20 the peaks at 1343 cm-1 and 1278 cm-1 to rocking vibration modes of CH2 [48], while the is indicative of the OH deformation asymmetric ring mode vibration peak at 1209 cm-1 Biomolecules2021,11”
Stabilization of Dry Sucrose Glasses by Four LEA_4 Proteins from Arabidopsis thaliana DOI: 10.3390/biom11050615 -
Protein 信心 1.0
“The centroid spectrum corresponding to fibrosis tissue was characterized by absorbance peaks related to vibrational modes of collagen as evidenced by the peaks at 1174 cm-1 (C-O stretching) [34], 1202 cm-1, 1230 cm-1, 1278 cm-1, 1304 cm-1 (”
Moreau 等 - 2020 - Analysis of Hepatic Fibrosis Characteristics in Ci DOI: 10.3390/molecules25184092 -
Acetate 信心 1.0
“The CH asymmetric and symmetric deformation was observed at 1452 and 3 cm-1 cm-1, cm-1, 1379 respectively, whilst C-O-C stretching was observed at 1278 1224”
Development of an Electrospun Patch Platform Technology for the Delivery of Carvedilol in the Oral Mucosa DOI: 10.3390/nano12030438 -
Acetate 信心 1.0
“The most pronounced chemical groups of PHB correspond to the peaks at 1721 cm-1 (C=O group), 1052 cm-1 (C-O-C group), 1278 cm-1 (CH group), and 3000-2700 cm-1 (-C-H”
Development of Nonwoven Fibrous Materials Based on Poly-3-Hydroxybutyrate with a High Content of -Tricalcium Phosphate DOI: 10.3390/polym15153167
有包含此波峰的圖譜嗎？
上傳您的FTIR圖譜，幾秒內即可獲得完整的解讀報告——包含帶有文獻引用的峰位指派、圖譜庫比對以及信心等級評估的證據鏈。
解讀我的圖譜