What absorbs at 3530 cm⁻¹ in an FTIR spectrum?
A band near 3530 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
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Metal hydroxyl | 1 | 1 | 1,0 |
Ранжирование отражает накопленные литературные данные, а не единственное авторитетное правило. Всегда проверяйте в контексте вашего образца.
Литература, лежащая в основе этих назначений
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Metal hydroxyl достоверность 1,0
“In Gibbsite, peak appears around 3530 and the peak in Al-OH Zn-OH”
Dependence of bonding interactions in Layered Double Hydroxides on metal cation chemistry DOI: 10.1016/j.molstruc.2016.06.045 -
Hydroxyl (O-H) достоверность 1,0
“FTIRspectrumofthebluelayercomparedwithlapislazuliblue FIGURE 8 characteristic bands of calcite, due to the fresco technique - pigment andcalcite references 3554cm-1 the following principal bands arise: 3530, (O-H 971cm-1 stretching);”
Zorba 等 - 2006 - Technique and palette of XIIIth century painting i DOI: 10.1007/s00339-006-3548-6 -
Hydroxyl (O-H) достоверность 1,0
“LLM confirmed rule peak-group candidate”
Cortea 等 - 2020 - Uncovering hidden jewels an investigation of the DOI: 10.1186/s40494-020-00401-3 -
Hydroxyl (O-H) достоверность 1,0
“LLM confirmed rule peak-group candidate”
Dynamic Mechanical Properties and Thermal Properties of Longitudinal Basalt/Woven Glass Fiber Reinforced Unsaturated Polyester Hybrid Composites DOI: 10.3390/polym13193343 -
Metal oxygen достоверность 1,0
“C-H vibration 1185, 816, 759, 577 1135, 116, 1054, 675, 638, 434, 242 Si-O and M-O stretching/bending five enhanced overtone of the H assignment of the resulting bands (at 3530, 3453, 3385, 2O bending mode.”
Lacalamita - 2018 - Micro-FTIR and EPMA Characterisation of Charoite f DOI: 10.1155/2018/9293637
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