What absorbs at 2905 cm⁻¹ in an FTIR spectrum?
Ивица близо до 2905 cm⁻¹ може да сочи към няколко функционални групи. По-долу са най-вероятните присвоявания, подредени по количеството публикувани доказателства, които ги подкрепят — всяко едно проследимо до литература (DOI) и кръстосано валидирано спрямо нашите 130 000+ референтни спектъра и графика на знанията.
Backed by 7 cited sources
Възможни определяния на функционални групи
| Функционална група | Подкрепящи факти | Цитирани източници | Най-висока достоверност |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
Класирането отразява натрупаните литературни доказателства, а не единично авторитетно правило. Винаги потвърждавайте спрямо контекста на вашата проба.
Литература зад тези определяния
-
Alkyl C-H достоверност 1,0
“At 2905 cm-1, the band analogous to C-H asymmetric stretching occurs [36].”
Innovative Green Chemistry Approach to Synthesis of Sn2+-Metal Complex and Design of Polymer Composites with Small Optical Band Gaps DOI: 10.3390/molecules27061965 -
Carbonyl (C=O) достоверност 1,0
“broadband at 3860 cm-1, characteristic intense bands corresponding to the asymmetrical and cm-1 Another group of signals associated with the cutin matrix is that from 1600 to 1750 attributed C=O symmetrical stretching vibrations of the meth”
Cutin from Solanum Myriacanthum Dunal and Solanum Aculeatissimum Jacq. as a Potential Raw Material for Biopolymers DOI: 10.3390/polym12091945 -
Alkyl C-H достоверност 1,0
“Bands corresponding to asymmetric and symmetric C-H stretching vibrations of aliphatic -CH2 groups were observed at 2905 and 2860 cm-1 respectively (Figure 3).”
Branched Polyurethanes Based on Synthetic Polyhydroxybutyrate with Tunable Structure and Properties DOI: 10.3390/polym10080826 -
Alkyl C-H достоверност 1,0
“to 2970 and the CH band between 2905 and 2945 To further observe the relative lipid/protein content in”
Biophysical Stress Responses of the Yeast Lachancea thermotolerans During Dehydration Using Synchrotron-FTIR Microspectroscopy DOI: 10.3389/fmicb.2020.00899 -
Hydroxyl (O-H) достоверност 1,0
“in the OH-stretching region, two broad bands are observed, centered at 2905 cm-1, and 2415 respectively (Figure 8).”
Neutron and XRD Single-Crystal Diffraction Study and Vibrational Properties of Whitlockite, the Natural Counterpart of Synthetic Tricalcium Phosphate DOI: 10.3390/cryst11030225 -
Alkyl C-H достоверност 1,0
“LLM confirmed rule peak-group candidate”
Cheng 等 - 2018 - A new approach to improve mechanical properties an DOI: 10.1016/j.conbuildmat.2018.05.134 -
Alkyl C-H достоверност 1,0
“It was also observed a peak at 2905 and 2868 cm-1 related to CH 2.”
Gabriela Chuc-Gamboa 等 - 2021 - Antibacterial Behavior of Chitosan-Sodium Hyaluron DOI: 10.3390/app1103
Имате спектър с тази лента?
Качете вашия FTIR спектър и получете пълен отчет за интерпретация — определяне на пикове с литературни цитати, съвпадения с библиотека и верига от доказателства с оценка на достоверността — за секунди.
Интерпретирайте моя спектър