What absorbs at 583 cm⁻¹ in an FTIR spectrum?
A band near 583 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
Быстрый ответ
A band near 583 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.
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Metal oxygen | 4 | 4 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
Ранжирование отражает накопленные литературные данные, а не единственное авторитетное правило. Всегда проверяйте в контексте вашего образца.
Логика спектра
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 583 cm⁻¹ is usually not enough for material identification by itself.
Использование в реальных условиях
Такой тип запроса распространен при идентификации полимеров, скрининге неизвестных пластиков, устранении неполадок в контроле качества, проверке переработанных материалов и анализе отнесения пиков на основе литературы.
Распространенные ошибки
- Рассмотрение одной изолированной полосы как доказательства материала без проверки хотя бы одного или двух поддерживающих пиков.
- Игнорирование перекрытия: несколько функциональных групп могут вносить вклад вблизи одного и того же волнового числа.
- Пропуск проверки, когда добавки, смеси, окисление или загрязнение могут исказить спектр.
Рекомендации по проверке
Когда остается неоднозначность, проверьте гипотезу с помощью DSC, GC-MS или TGA, особенно для смесей, деградированных образцов и наполненных полимеров.
Литература, лежащая в основе этих назначений
-
достоверность 1,0
“Triethylgallium was used as the Ga source, and trimethylThe localized vibrational mode (LVM) at 583 cm - ' aluminum or dimethylaluminum hydride were used as the due to C atoms substituting for As atoms in GaAs shows Al source.”
ONO 和 FURUHATA - 1991 - VIBRATIONAL-MODES OF CARBON-ALUMINUM COMPLEXES IN DOI: 10.1063/1.106176 -
достоверность 1,0
“FTIR spectra at peaks 583.02 which corresponding to the Fe-O stretching, indicates the characteristic peaks laying in the region be-”
Antibacterial and antiproliferation activity of green synthesized nanoparticles from rhizome extract of Alpinia galangal (L.) Wild DOI: 10.1016/j.inoche.2021.108854 -
достоверность 1,0
“O-H at The stretching vibrations of the carboxylic and carbonyl The peak observed at approximately 1727cm-1,and 583cm-1 groupsranged from1720 to the formationof is characteristic of Fe vibrations.”
Alkurdi 等 - 2022 - Development and Evaluation of a Novel Polymer Drug DOI: 10.1155/2022/7903310 -
Metal oxygen достоверность 1,0
“Identification of Microorganism Bi in wavelengths of 583 cm-1, 737 cm-1 stretching Sixty-five isolated bacteria from hospitalized patients vibrational of O-Bi-O, and 1630 cm-1 stretching of Bi-O with burn infections was identified following”
Dalvand 等 - 2018 - Inhibitory Effect of Bismuth Oxide Nanoparticles P DOI: 10.21859/ijb.2102 -
достоверность 1,0
“The characteristic absorption bands of the sample at 692 and 583 cm-1 were assigned to iron(II) oxide bending, and the band at 459 to 446 cm-1 was”
Hanh 等 - 2023 - Adsorption of Tetracycline by Magnetic Mesoporous DOI: 10.3390/su15064727 -
Alkyl C-H достоверность 1,0
“In the case of As (Figure S1e), the stretching vibration ascribed to the asymmetric and symmetric CH stretching 2 cm-1 peak at around 583 of metal oxide at the tetrahedral sites vibrations, respectively, of rGO.”
Iqbal 等 - 2023 - Reduced Graphene Oxide-Modified Spinel Cobalt Ferr DOI: 10.1021/acsomega.2c06636 -
Metal oxygen достоверность 1,0
“cm-1 Fe-O Stretching in tetrahedral sites 583 The FT-IR spectra of BT, PT, BTMA, and PTMA are displayed in Figure 5a-d, respectively.”
Influence of Waste Toner on Asphalt Binder: Chemical and Rheological Characterization DOI: 10.3390/molecules28062794 -
достоверность 1,0
“dried at vacuum conditions at OH groups attached to the iron absorptions at 583 and cm-1, 3391 respectively.”
Li 等 - 2020 - Solvent-free synthesis of 1-amidoalkyl-2-naphthol DOI: 10.2478/pjct-2020-0012
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