What absorbs at 1122 cm⁻¹ in an FTIR spectrum?
A band near 1122 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 6 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 |
|---|---|---|---|
| C-O single bond | 3 | 3 | 0.9 |
| Phosphate (PO4) | 2 | 2 | 1.0 |
| Aromatic ring | 1 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 0 | 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
-
Phosphate (PO4) 信心 1.0
“Explicit assignment: 'and 1122 should be assigned to asymmetric stretching vibration of PO4'”
Wang 等 - 2015 - Synthesis of Biocompatible Hydroxyapatite Using Ch DOI: 10.3390/ma8125440 -
C-O single bond 信心 0.9
“Text: '1122.57-1039.63 C-O stretching'.”
Kravanja 等 - 2021 - Degradation of Plasticized Poly(1-chloroethylene) DOI: 10.17344/acsi.2020.6464 -
Aromatic ring 信心 0.9
“Text: 'peak at 1122 cm-1, which is assigned to aromatic skeletal and C-O'”
Lima 等 - 2013 - Effects of pretreatment on morphology, chemical co DOI: 10.1186/1754-6834-6-75 -
C-O single bond 信心 0.8
“C-O stretching vibrations attributed to bands at 1280, 1024, 1122 cm-1.”
Sirdeshpande 等 - 2018 - Structural characterization of mesoporous magnetit DOI: 10.1007/s13204-018-0698-8 -
Phosphate (PO4) 信心 0.7
“phosphate ions peaks in range 900-1230 cm-1”
Janusz 和 Skwarek - 2021 - Adsorption of the Tartrate Ions in the Hydroxyapat DOI: 10.3390/ma14113039 -
信心 0.7
“Text mentions 'tetrahedral asymmetric and symmetric stretch vibration' near 1122.”
Wang 等 - 2017 - Preparation and Characterization of Manganese Slag DOI: 10.1051/matecconf/201713004006
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