What absorbs at 1331 cm⁻¹ in an FTIR spectrum?
A band near 1331 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 7 cited sources
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| S eq o | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.7 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
置信度 0.9
“Text states 'Raman spectra of GGO layer exhibit two important peaks called D, G and 2D bands around 1331'.”
Joghataei 等 - 2020 - Heterogeneous Ice Nucleation by Graphene Nanoparti DOI: 10.1038/s41598-020-66714-2 -
Hydroxyl (O-H) 置信度 0.9
“-OH deformation vibration”
Liu 等 - 2018 - Highly Efficient Flame Retardant Hybrid Composites DOI: 10.3390/polym10060625 -
Phosphate (PO4) 置信度 0.9
“Part of range for P=O peak.”
Mohamed Saat 和 Johan - 2014 - The surface structure and thermal properties of no DOI: 10.1155/2014/439839 -
C n single bond 置信度 0.9
“Explicit assignment: peak at 1331 characteristic of C-N (amine).”
Otunola 等 - 2017 - Characterization, Antibacterial and Antioxidant Pr DOI: 10.4103/pm.pm_430_16 -
S eq o 置信度 0.9
“Explicit assignment in table: 'S=O asymmetric stretching 1331'”
Yadav 和 Urade - 2019 - Formulation and Evaluation of Chitosan Based Trans DOI: 10.5530/ijper.53.1.12 -
Alkyl C-H 置信度 0.7
“Assigned to CH and CH2 bending vibrations.”
Gu 等 - 2022 - Chemical Component Characterization and Potential DOI: 10.15376/biores.17.2.2525-2546 -
置信度 0.7
“Text: 'peak at 1331 attributed cm-1'”
Jirasek 等 - 2018 - Hydroxylation and self-assembly of colloidal hydro DOI: 10.1039/c8ra07873d
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