What absorbs at 2004 cm⁻¹ in an FTIR spectrum?
A band near 2004 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 2 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
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
“Amide I (Philip, 2009) due to protein present in honey Amide-I and Amide-II spectral range gives information and O-H stretching/bending in water (Cai & Singh, about protein secondary structure and this region can C¼O 2004) and stretching in”
Cebi 等 - 2020 - An evaluation of FTIR spectroscopy for prediction DOI: 10.1080/00218839.2019.1707009 -
Alkyl C-H 信心 1.0
“Demirdöven N, Cheatum CM, Chung HS, Khalil M, Knoester J, The saturated hydrocarbon C-H stretching absorptions Tokmakoff A (2004).”
Chik 等 - 2011 - Predicting group of metabolites available in parti DOI: 10.5897/AJB11.2736 -
Hydroxyl (O-H) 信心 1.0
“(2004) identified an OH band at related Fe3+ tion on redox conditions during rutile growth (Kamperman, to in synthetic doped rutile.”
Lueder 等 - 2023 - A framework for quantitative in situ evaluation of DOI: 10.5194/ejm-35-243-2023 -
C c single bond 信心 1.0
“C-C stretch Carbohydrates Stuart, 2004 620 619 620 618 Amide IV O=C-N”
El Mohtadi 等 - 2020 - DIFFERENTIAL ENGULFMENT OF STAPHYLOCOCCUS AUREUS A DOI: 10.17179/excli2020-2766 -
Aromatic ring 信心 1.0
“(2004), aromatic skeletal vibration bands were observed for all lignins at”
Chemical functional groups of extractives, cellulose and lignin extracted from native Leucaena leucocephala bark DOI: 10.1007/s00226-020-01258-2
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