What absorbs at 748 cm⁻¹ in an FTIR spectrum?
A band near 748 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 4 cited sources
可能性のある官能基アサイン
| 官能基 | 裏付け事実 | 引用元 | 最高信頼度 |
|---|---|---|---|
| Alkyl C-H | 3 | 2 | 1.0 |
| Hydroxyl (O-H) | 2 | 1 | 1.0 |
ランキングは蓄積された文献証拠を反映しており、単一の権威あるルールではありません。常にサンプルのコンテキストと照合して確認してください。
これらのアサインの根拠となる文献
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Alkyl C-H 信頼度 1.0
“903 901 902 903 C-H blending vibration of epoxide ring 748”
Imperiyka 等 - 2014 - Preparation and Characterization of Polymer Electr DOI: 10.1155/2014/638279 -
Alkyl C-H 信頼度 1.0
“Another specific band of aniline also are confirmed at 881 cm-1 cm-1 and 748 as bending vibration of C-H and wag vibration of N-H from primary amine.”
International Conference on Innovation on Polymer Science and Technology DOI: 10.1088/1757-899X/223/1/012051 -
信頼度 1.0
“The peaks observed in the of range AC 720cm-1 748cm-1are to associated with the stretching vibration of bridging oxygen”
Yaacob 等 - 2018 - Comprehensive study on compositional modification DOI: 10.1016/j.solidstatesciences.2018.05.006 -
Hydroxyl (O-H) 信頼度 1.0
“cm-1 band between 680 and 700 The peak between 748 and 767 corresponded to a cm-1, (o: phenol with disubstitutions at 1,2 positions ortho position), while at around 779 (o,o': it was given by a phenol with tri-substitutions at 1,2,6 positio”
What about Phenol Formaldehyde (PF) Foam in Modern-Contemporary Art? Insights into the Unaged and Naturally Aged Material by a Multi-Analytical Approach DOI: 10.3390/polym13121964
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