What absorbs at 422 cm⁻¹ in an FTIR spectrum?
A band near 422 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
Тез жооп
A band near 422 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.
Мүмкүн болгон функционалдык топтордун дайындоолору
| Функционалдык топ | Колдоочу фактылар | Цитаталанган булактар | Эң жогорку ишенимдүүлүк |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| Aromatic ring | 2 | 2 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Silicon (Si) | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 0 | 1.0 |
| Methacrylate | 1 | 0 | 1.0 |
| C-O single bond | 1 | 0 | 1.0 |
| Acetate | 1 | 0 | 1.0 |
Рейтинг жыйналган адабият далилдерин чагылдырат, бир авторитеттүү эрежени эмес. Ар дайым үлгү контекстиңизге каршы ырастаңыз.
Мүмкүн болгон материалдар
| Материал | Колдоочу чокулар | Кайталанган топтор | Цитаталанган булактар |
|---|---|---|---|
| Cellulose | 422, 1735, 1650 | Alkyl C-H, Hydroxyl (O-H), Carbohydrate | 1 |
| ZnO | 422, 1400, 3430 | Hydroxyl (O-H), Alkyl C-H | 1 |
| wood | 422, 1740, 1730 | Carbohydrate, Alkyl C-H, Aromatic ring | 1 |
| polyaniline | 422, 1565, 1570 | Aromatic ring, Alkyl C-H | 1 |
Материалдар бир эле адабият бассейни бул тилкени жана жок дегенде бир кошумча мүнөздүү чокусун колдогондо гана көрсөтүлөт.
Спектр логикасы
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 422 cm⁻¹ is usually not enough for material identification by itself.
Реалдуу дүйнөдө колдонуу
Бул сурам полимерди аныктоо, белгисиз пластикти скринингдөө, сапатты көзөмөлдөө маселелерин чечүү, кайра иштетилген материалды текшерүү жана адабиятка таянып чокуларды дайындоону карап чыгууда кеңири таралган.
Кеңири таралган каталар
- Жок дегенде бир-эки колдоочу чокуну текшербей туруп, бир обочо тилкени материалдын далили катары кароо.
- Кайталанууну эске албай: бирдей толкун сандарына бир нече функционалдык топтор салым кошо алат.
- Кошумчалар, аралашмалар, кычкылдануу же булгануу спектрди бузушу мүмкүн болгондо текшерүүнү өткөрүп жиберүү.
Текшерүү кеңеши
Эки аныксыздык калганда, гипотезаны DSC, GC-MS же TGA менен текшериңиз, өзгөчө аралашмалар, бузулган үлгүлөр жана толтурулган полимерлер үчүн.
Бул дайындоолордун артындагы адабияттар
-
C c single bond ишенимдүүлүк 1.0
“The peaks at 3433 is corresponds to N H 738, 584, 509 & 422 cm-1 is for stretching vibration of C C bonds of quiniod rings, stretching vibration 1556 04 14:53 at Laval] [Universite by Downloaded Figure 1.”
Patil 等 - 2011 - Electrical Conductivity of PolyanilineNiZnO3 Comp DOI: 10.1080/00150193.2011.620836 -
Metal oxygen ишенимдүүлүк 1.0
“LLM confirmed rule peak-group candidate”
Vidhya 等 - 2021 - Anti-cancer applications of Zr, Co, Ni-doped ZnO t DOI: 10.1016/j.matlet.2020.128760 -
Silicon (Si) ишенимдүүлүк 1.0
“bration of Si(Al)-O, the peaks at 787.56 cm-1 and 761.71 cm-1 are assigned to stretching vibration of Si-Si, the peaks at 744.43 cm-1 and 727.85 cm-1 are assigned to stretching vibration of Si-Al(Si), the peaks at 464.98 cm-1 are assigned t”
Effects and Mechanism of Fe3+ on Flotation Separation of Feldspar and Epidote with Sodium Oleate at Natural pH DOI: 10.3390/separations9050110 -
ишенимдүүлүк 1.0
“The splitting of the absorption band, which was cm-1, observed in the FTIR spectra of the S1 specimen at 419 to two narrow and weak bands cm-1 cm-1 at 422 and 410 is due to a decrease in the concentration of Ni ions at B-site with Ni2+”
Effects of Zinc Substitution on the Microstructural and Magnetic Characteristics of Cubic Symmetry Nickel Ferrite System DOI: 10.3390/sym15050975 -
ишенимдүүлүк 1.0
“related to iron according to previous literature [37], but Figure 4(c) shows the spectra of Black tourmaline, in these bandsarenotobserved inAmethystsample.The bands 3920cm-1 which the main bands observed at 422, 467, 545, and 639 at 3787 a”
Ahmad 等 - 2021 - Spectroscopic Analysis for Harnessing the Quality DOI: 10.1155/2021/6629640 -
Aromatic ring ишенимдүүлүк 1.0
“The UV-vis spectra data for the TPhPyP were obtained in CHCl3 and showed a J ring and the other two doublets to the protons of the phenyl ring at 8.37 ppm with = 8.17 Hz typical electronic spectrum of meso-substituted porphyrin with a sharp”
Synthesis of a New Co Metal–Organic Framework Assembled from 5,10,15,20-Tetrakis((pyridin-4-yl) phenyl)porphyrin “Co-MTPhPyP” and Its Application to the Removal of Heavy Metal Ions DOI: 10.3390/molecules28041816 -
Aromatic ring ишенимдүүлүк 1.0
“Color changes and alterations in extractives lignin) (lignin, hemitions of methyl and methylene groups in and and main wood components cellulose, and 1,422cm-1 (aromatic C-H celluloses) skeletal vibration in lignin with were examined by spe”
Gaff 等 - 2023 - Impact of thermal modification on color and chemic DOI: 10.1515/rams-2022-0277 -
Alkyl C-H ишенимдүүлүк 1.0
“Likewise, the absorbance at 1,422 cm-1 cm-1 and 1,426 is associated to C-H bending present in cellulose.”
Shanmugarajah 等 - 2015 - Isolation of NanoCrystalline Cellulose (NCC) from DOI: 10.3303/CET1545285
Ушул тилке менен спектриңиз барбы?
FTIR спектриңизди жүктөп, толук интерпретация отчетун алыңыз — адабият цитаталары менен чоку дайындоолор, китепкана дал келүүлөрү жана ишенимдүүлүк баасы менен далилдер чынжыры — секунддар ичинде.