What absorbs at 619 cm⁻¹ in an FTIR spectrum?
A band near 619 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Metal oxygen | 3 | 2 | 1.0 |
| Perchlorate | 1 | 1 | 1.0 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
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Alkyl C-H 信心 1.0
“After 8 h extracted metabcm(cid:1)1 C-H olites, a new band observed at 619.20, 1,440, 1,407.48 and 1,629.79 represented deformation of alicyclic CH 2, cm(cid:1)1 whereas another band at 1,253.20, 1,400.32, 1,601.55, 3,658.72, 3,680.32 and 3”
Ayed 等 - 2022 - Modeling and optimization of biodegradation of met DOI: 10.2166/wst.2022.211 -
Alkyl C-H 信心 1.0
“and the peak at 618.92 cm-1 could be assigned to CH2 groups.”
Ganoderma lucidum-Mediated Green Synthesis of Silver Nanoparticles with Antimicrobial Activity DOI: 10.3390/ma16124261 -
Metal oxygen 信心 1.0
“Al-Mg-OH deformation 788 Si-O stretching of quartz 788 Si-O stretching of quartz 619 Coupled Al-O and Si-O out-of-plane 519 Al-O-Si deformation 619 Coupled Al-O and Si-O out-of-plane 461”
SO42-/Sn-MMT Solid Acid Catalyst for Xylose and Xylan Conversion into Furfural in the Biphasic System DOI: 10.3390/catal7040118 -
Alkyl C-H 信心 1.0
“In 1400, 1385 and 619 cm-1 attributed to δ(C-H) [44,48].”
Boosting Antimicrobial Activity of Ciprofloxacin by Functionalization of Mesoporous Silica Nanoparticles DOI: 10.3390/pharmaceutics13020218 -
Metal oxygen 信心 1.0
“The band at 619 is attributed to W-O stretching vibration, while bands at of pure tungsten oxide.”
Petruleviciene 等 - 2020 - Tuning the Photo-Luminescence Properties of WO(3)L DOI: 10.3390/ma13122814 -
Perchlorate 信心 1.0
“Peaks at 619 and 1108 associated with various Open vibrations of the perchlorate ion were persistently observed.”
Combined thermal and FTIR analysis of porous silicon based nano-energetic films DOI: 10.1039/c6ra27028j
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