What absorbs at 2362 cm⁻¹ in an FTIR spectrum?
A band near 2362 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
快速回答
A band near 2362 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
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) | 5 | 5 | 1.0 |
| Methacrylate | 5 | 5 | 1.0 |
| C-O single bond | 5 | 5 | 1.0 |
| Acetate | 5 | 5 | 1.0 |
| C#c | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Carbon dioxide | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 0 | 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。
可能的材料
| 材料 | 支持峰 | 重疊基團 | 引用來源 |
|---|---|---|---|
| MWCNTs | 2362, 3396, 1735 | Methacrylate, Acetate, C-O single bond | 1 |
僅當同一文獻庫支援此波段以及至少一個額外特徵峰時，才會顯示材料。
光譜邏輯
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 2362 cm⁻¹ is usually not enough for material identification by itself.
實際使用
此類查詢常見於聚合物鑑別、未知塑膠篩選、品管故障排除、再生材料驗證，以及基於文獻的峰值歸屬審查。
常見錯誤
- 將一個孤立的譜帶視為材料的證據，而未檢查至少一兩個支持峰。
- 忽略重疊：多個官能團可能在相同波數附近貢獻。
- 當添加劑、混合物、氧化或污染物可能扭曲譜圖時，跳過驗證。
驗證建議
當仍然存在歧義時，使用DSC、GC-MS或TGA驗證假設，特別是對於混合物、降解樣品和填充聚合物。
這些指派背後的文獻
-
Acetate 信心 1.0
“3095 C-H stretching 2930 ± 10/2853 ± 10 2924-2860 2925-2852 2926-2852 2926-2858 2927-2860 C-H stretching 2362 ± 5 C-O stretching (of succinate) 1735 - 1700”
Differentiation between copal and amber by their structure and thermal behaviour DOI: 10.1007/s10973-023-12333-8 -
Acetate 信心 1.0
“The cm(cid:2)1 due to the decomposition of nanotubes [22-24] taking place peak at 2362 corresponds to the C-O bonds and the cm(cid:2)1”
Misra 等 - 2006 - FTIR studies of nitrogen doped carbon nanotubes DOI: 10.1016/j.diamond.2005.08.013 -
Acetate 信心 1.0
“The increase in the I(D)/I(G) ratio as apparent.18 cm-1 The peak at 2362 corresponds to the a function of N concentration is attributed to bong angle cm-1 C-O bonds and the features between 2851-2925 are and bond length disorder induced by”
FTIR Spectroscopy of Multiwalled Carbon Nanotubes: A Simple Approachto Study the Nitrogen Doping DOI: 10.1166/jnn.2007.723 -
Acetate 信心 1.0
“The strong absorption peak cm-1 cm-1 at 1065 was due to the C-O-C bond of the fabric and the obvious peak at 2362 cm-1 was attributed to the shrinkage vibration peak of CO [41,48].”
Chen 等 - 2021 - Synthesis of Novel Arginine-Based Flame Retardant DOI: 10.3390/molecules26123588 -
Carbon dioxide 信心 1.0
“C=N 1647 Imine Medium stretching O=C=O 2362 Carbon dioxide Strong stretching C-H 2943 Alkane Medium stretching”
Development and characterization of natural sourced bioplastic for food packaging applications DOI: 10.1016/j.heliyon.2023.e13538 -
Acetate 信心 1.0
“The C-O stretching at 2361.9 and 2349.3 was”
Pimenidou 和 Dupont - 2012 - Characterisation of palm empty fruit bunch (PEFB) DOI: 10.1016/j.biortech.2012.01.020 -
信心 1.0
“The sharp peak at 2362 is attributed to the N-H group, which is generated ������� �������� ������ ������ 44.65o 54.67o.”
Sampath 等 - 2022 - Synthesis of polyethylene glycol-grafted graphite DOI: 10.4038/jnsfsr.v50i4.10902 -
C#c 信心 1.0
“A strong peak at 2362 cm-1 observed in the triplebond region indicates the absorption band of C≡C.”
Analysis of Carbon Formation on Machined Leather Specimen Using FTIR Technique in Laser Diode Assisted Cutting Process DOI: 10.3390/ma16010148
有包含此波峰的圖譜嗎？
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