What absorbs at 1080 cm⁻¹ in an FTIR spectrum?
A band near 1080 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
Възможни определяния на функционални групи
| Функционална група | Подкрепящи факти | Цитирани източници | Най-висока достоверност |
|---|---|---|---|
| C-O single bond | 11 | 10 | 0,9 |
| Silicon-oxygen (Si-O) | 10 | 8 | 0,9 |
| Siloxane (Si-O-Si) | 7 | 7 | 0,95 |
| Phosphate (PO4) | 4 | 4 | 1,0 |
| Carbohydrate | 4 | 4 | 0,9 |
| Aldehyde (CHO) | 3 | 3 | 0,9 |
| Nucleic acid | 2 | 1 | 0,9 |
| Sulfonyl | 1 | 1 | 0,9 |
| Methacrylate | 1 | 1 | 0,9 |
| C n single bond | 1 | 1 | 0,8 |
| Thiocarbonyl | 1 | 0 | 0,9 |
| Boron nitrogen | 1 | 0 | 0,9 |
| Carbonate | 1 | 0 | 0,8 |
| Hydroxyl (O-H) | 1 | 0 | 0,8 |
| C c single bond | 1 | 0 | 0,8 |
Класирането отразява натрупаните литературни доказателства, а не единично авторитетно правило. Винаги потвърждавайте спрямо контекста на вашата проба.
Литература зад тези определяния
-
достоверност 1,0
“Explicitly stated: 'peak formed at 1080 represents the C-C bonding'.”
Ramanathan 等 - 2019 - Aluminosilicate Nanocomposite on Genosensor A Pro DOI: 10.1038/s41598-019-53573-9 -
Phosphate (PO4) достоверност 1,0
“Explicit assignment: 'phosphate absorption occurring at 1080 cm-1'”
Bassan 等 - 2013 - Whole organ cross-section chemical imaging using l DOI: 10.1039/c3an01674a -
Siloxane (Si-O-Si) достоверност 0,95
“Explicit assignment in text: 'the two IRA peaks at 1080 and 800 are ascribed to the Si-O-Si asymmetric stretching and the Si-O bending vibration'”
Lu 等 - 2013 - Red Light Emission from Silicon Created by Self-io DOI: 10.4028/www.scientific.net/AMM.320.109 -
C-O single bond достоверност 0,9
“Explicit assignment in text.”
Bushra 等 - 2013 - Microwave assisted acetylation of mung bean starch DOI: 10.1002/star.201200081 -
Carbohydrate достоверност 0,9
“Glucose-specific peak”
Eikje - 2011 - In vivo interstitial glucose characterization and DOI: 10.1117/12.874735 -
достоверност 0,9
“Broad band between 980-1200 cm-1 centered around 1080 cm-1 due to stretching vibrations.”
Fali 等 - 2021 - Nanoscale Spectroscopy of Dielectric Properties of DOI: 10.1021/acsphotonics.0c00951 -
Nucleic acid достоверност 0,9
“Mentioned as DNA region.”
Fogarty 等 - 2013 - Sub-cellular spectrochemical imaging of isolated h DOI: 10.1039/c2an36197c -
Silicon-oxygen (Si-O) достоверност 0,9
“Text states 'characteristic Si-O stretching frequencies at 1010-1080 cm-1'.”
Jung 和 Park - 2013 - Synthesis and Properties of Poly[oxy(arylene)oxy(t DOI: 10.5012/bkcs.2013.34.6.1637
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