What absorbs at 594 cm⁻¹ in an FTIR spectrum?
A band near 594 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
Hiter odgovor
A band near 594 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
Možne dodelitve funkcionalnih skupin
| Funkcionalna skupina | Podporna dejstva | Citirani viri | Najvišje zaupanje |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Chlorine | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
Razvrstitev odraža zbrane literaturne dokaze, ne enega avtoritativnega pravila. Vedno preverite glede na kontekst vašega vzorca.
Možni materiali
| Material | Podporni vrhovi | Prekrivajoče se skupine | Citirani viri |
|---|---|---|---|
| zeolite | 594, 1013, 1245 | Metal oxygen | 1 |
Materiali so prikazani le, ko ista literaturna podlaga podpira ta pas in vsaj en dodatni karakteristični vrh.
Logika spektra
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 594 cm⁻¹ is usually not enough for material identification by itself.
Uporaba v resničnem svetu
Ta vrsta poizvedbe je pogosta pri identifikaciji polimerov, pregledovanju neznanih plastičnih mas, odpravljanju težav pri QC, preverjanju recikliranih materialov in literaturno podprtem pregledu dodelitev vrhov.
Pogoste napake
- Obravnavanje enega izoliranega pasu kot dokaza o materialu brez preverjanja vsaj enega ali dveh podpornih vrhov.
- Ignoriranje prekrivanja: več funkcionalnih skupin lahko prispeva blizu istega valovnega števila.
- Izpuščanje validacije, ko lahko dodatki, mešanice, oksidacija ali kontaminacija popačijo spekter.
Nasvet za preverjanje
Ko ostaja dvoumnost, potrdite hipotezo z DSC, GC-MS ali TGA, zlasti za mešanice, degradirane vzorce in polnjene polimere.
Literatura za temi dodelitvami
-
Metal oxygen zaupanje 1,0
“phase with the Fe-O stretching vibration at about 594 The saturation magnetization increases In3+ and then decreases along with substitution concentration.”
Effect of In3+ substitution on structural and magnetic properties of Ni ferrite nanoparticles DOI: 10.1016/j.physb.2016.09.031 -
zaupanje 1,0
“cm-1 cm-1, 1605 and 3383-3601 being assigned to the vibrational modes of the deformation IR bands of PTA situated at 523 cm-1, 594 cm-1, 797 cm-1, 891 cm-1, 982 cm-1, 1080 cm-1, 1605 (O corresponds to corner oxygen atoms), W-O e-W stretchin”
The Photoluminescence and Vibrational Properties of Black Phosphorous Sheets Chemically/Electrochemically Functionalized in the Presence of Diphenylamine DOI: 10.3390/polym14214479 -
zaupanje 1,0
“Sample Feed 30 min 60 min 120 min 240 min 360 min 480 min Symmetric stretching vibration 594 590 594 595 592 592 553, 565, 591 (Si-O-Si and Al-O-Si) Symmetric stretching vibration”
Bohacs 等 - 2017 - CONTROL OF NATURAL ZEOLITE PROPERTIES BY MECHANICA DOI: 10.1515/amm-2017-0216 -
Alkyl C-H zaupanje 1,0
“were observed (2 with negative intensity corresponding to two carbons CH 2, and 9 with positive intensity due to CH carbons, sp3 at 76.39ppm), and the only one of which has hybridation bands at 593.6, 693.5, 832.8, 1030.8 and 1590.9 are asc”
New approaches to identification and characterization of tioconazole in raw material and in pharmaceutical dosage forms DOI: 10.1016/j.jpha.2018.11.006 -
zaupanje 1,0
“3305 cm-1 the peak at 594.13 was related to C-Cl stretching 2921”
Pinto Cotrim 等 - 2016 - Preparation of beta-CyclodextrinLatex Dispersion DOI: 10.7569/JRM.2015.634122 -
Acetate zaupanje 1,0
“Tentative assignments Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 520,90 C-O stretching 594,53 520,90”
Y 等 - 2020 - A Spatial Distribution Analysis on the Deposition DOI: 10.31661/jbpe.v0i0.1104.
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