What absorbs at 1283 cm⁻¹ in an FTIR spectrum?
A band near 1283 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 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Phosphate (PO4) | 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
-
Phosphate (PO4) 信心 1.0
“LLM confirmed rule peak-group candidate”
Chen 等 - 2021 - Synthesis of Novel Arginine-Based Flame Retardant DOI: 10.3390/molecules26123588 -
Acetate 信心 1.0
“However, a strong band at ~1283 cm-1 assigned Slurry evaporation and ethyl acetate”
Garbacz 等 - 2020 - Structural Characterization of Co-Crystals of Chlo DOI: 10.3390/pharmaceutics12070648 -
Carboxyl (COOH) 信心 1.0
“Thus, for instance, the band assigned to the hydroxyl group of p-aminobenzoic acid is shifted from p-aminobenzoic Thus, for instance, the band assigned to the hydroxyl group of acid is shifted from ~1283 cm-1 in the spectra of physical mixt”
Garbacz 和 Wesolowski - 2018 - DSC, FTIR and Raman Spectroscopy Coupled with Mult DOI: 10.3390/molecules23092136 -
Alkyl C-H 信心 1.0
“In addition, absorption bands at 1283 and 1465 attributed to the cm-1 vibration of-CH and at 964 corresponds to the CH out-of-plane vibration [18].”
The Fine-Tuned Release of Antioxidant from Superparamagnetic Nanocarriers under the Combination of Stationary and Alternating Magnetic Fields DOI: 10.3390/antiox10081212 -
Alkyl C-H 信心 1.0
“C-H stretching of G units was shown from lignin (a) from lignin (a) and (b) in the 1283 cm-1.”
Prasetyo 等 - 2020 - Lignin Refinery Using Organosolv Process for Nanop DOI: 10.3390/molecules25153428
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