What absorbs at 625 cm⁻¹ in an FTIR spectrum?
A band near 625 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 7 cited sources
Penetapan kumpulan berfungsi yang mungkin
| Kumpulan berfungsi | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 0 | 1.0 |
Pemeringkatan mencerminkan bukti literatur terkumpul, bukan satu peraturan berwibawa. Sentiasa sahkan terhadap konteks sampel anda.
Literatur di sebalik penetapan ini
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Metal oxygen keyakinan 1.0
“2 cm-1, cm-1 SnO nanoparticles show transmittance peaks at 3391 and 1568 which are associated to the 2 cm-1, vibration of stretching OH, while peaks at a wave number of 625, 930, and 1635 indicating the appearance of the stretching mode of”
Diantoro 等 - 2018 - Control of Dielectric Constant and Anti-Bacterial DOI: 10.1088/1757-899X/367/1/012012 -
Alkene (C=C) keyakinan 1.0
“4a-c, for Mn 3O 4/MnSnO nanocomposite, the IR peak ence of both hydrophobic and hydrophilic molecular chains 3 cm-1 appeared at 625 corresponds to the vibration frequency in long vinyl molecules.”
Synthesis and characterization of Mn3O4/MnSnO3 nanocomposites for supercapacitor applications DOI: 10.1007/s12588-019-09250-7 -
Metal oxygen keyakinan 1.0
“LLM confirmed rule peak-group candidate”
Behera 等 - 2020 - Removal of Chromium from Synthetic Wastewater Usin DOI: 10.3390/app10093181 -
Metal oxygen keyakinan 1.0
“cm-1 490 are corresponded to the bond vibration of Fe-O and The band located at 625 is pointed”
Facile assembly of flexible quaternary SnO2/SrSnO3/Fe3O4/PVDF nanocomposites with tunable optical, electrical, and magnetic properties for promising magneto-optoelectronic applications DOI: 10.1038/s41598-023-32090-w -
Aromatic ring keyakinan 1.0
“The C-O stretching vibration in lignin corresponds to the peak at 1247 The band cm-1 cm-1 around 1050 indicates the C-O-C stretching of cellulose, while the peak at 625 is due to the bending modes of aromatic compounds [39-41].”
Removal of Methylene Blue from Aqueous Solutions Using a New Natural Lignocellulosic Adsorbent—Raspberry (Rubus idaeus) Leaves Powder DOI: 10.3390/polym14101966 -
keyakinan 1.0
“In addition, it can be observed that the carbonate ion bands are more predominant in cm-1 the interlaminar layer, while other bands at 625 and 823 are related to vibrational modes of LDH-Ni and LDH-Co.”
Nope 等 - 2020 - Ternary Hydrotalcites in the Multicomponent Synthe DOI: 10.3390/catal10010070 -
Carboxyl (COOH) keyakinan 1.0
“m/z of the ion at 907.7 allowed us to identify the sodium adduct of triolein, a triglyceride composed of three C18:1 fatty acyl chains as demonstrated by the single peak signal at m/z composed of three C18:1 fatty acyl chains as demonstrate”
Multi-Technique Characterization of Pictorial Organic Binders on XV Century Polychrome Sculptures by Combining Micro- and Non-Invasive Sampling Approaches DOI: 10.3390/app11178017
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