What absorbs at 1264 cm⁻¹ in an FTIR spectrum?
A band near 1264 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
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Secondary amine | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Lignin | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Borate | 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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Borate достоверность 1,0
“The mode at 1264 is likely due B-O vibrational motions in the molecule, while the to imperfections in the gold surface allowing the silicon”
Brewer 等 - 2004 - Infrared detection of a phenylboronic acid termina DOI: 10.1021/la035037m -
Ester достоверность 1,0
“cm-1 The vibration peak near 1264 is attributed to esters from DOTP in C-1.”
Synthesis, characterization and thermal behavior of plasticized poly (vinyl chloride) doped with folic acid-modified titanium dioxide DOI: 10.1038/s41598-022-07177-5 -
Lignin достоверность 1,0
“1245, and 1125 The lignin band at 1264 cm(cid:1)1, obwhich was not visible in the spectra tained from undecayed beech wood, developed”
Examination of the lignin content in a softwood and a hardwood decayed by a brown-rot fungus with the acetyl bromide method and Fourier transform infrared spectroscopy DOI: 10.1002/pola.20071 -
Ketone достоверность 1,0
“1628 Ketone stretch ketone) C@O 1264?1302cm(cid:2)1, ?1394cm(cid:2)1, COO(cid:2) (m ? (Fig.”
Adsorption of Enrofloxacin on montmorillonite: Two-dimensional correlation ATR/FTIR spectroscopy study DOI: 10.1016/j.jcis.2012.09.039 -
Carbonyl (C=O) достоверность 1,0
“The polymerization of the SI-PDEAEMA_exf.GO_2 is observed at 1450 and 1384 3 iley.com cm-1 (2 mL exfoliated SI-GO dispersion was used during polymerizaThe peaks at 1264 and 1146 correspond to the CO tion) sample was conducted within 5 days”
Aliyev 等 - 2020 - SI-ATRP Polymer-Functionalized Graphene Oxide for DOI: 10.1002/admi.202000443. -
Secondary amine достоверность 1,0
“A significant peak at 1264 cm-1 cm-1 stretching in secondary amines of PRO.”
New Insights into the Interaction between Graphene Oxide and Beta-Blockers DOI: 10.3390/nano9101429
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