What absorbs at 995 cm⁻¹ in an FTIR spectrum?
A band near 995 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
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Carbohydrate | 2 | 2 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
Ранжирование отражает накопленные литературные данные, а не единственное авторитетное правило. Всегда проверяйте в контексте вашего образца.
Литература, лежащая в основе этих назначений
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Carbohydrate достоверность 1,0
“diffractominor new peak appeared at approximately = 13° in the cm-1 whereas the bands at 995 and 1047 were related to the amounts grams of GA-RS complexes, while gelatinized starch did not exhibit this of ordered regions (Lopez-Rubio, Flana”
Physicochemical interactions between rice starch and different polyphenols and structural characterization of their complexes DOI: 10.1016/j.lwt.2020.109227 -
достоверность 1,0
“The band appeared at 995 is min-1) nitrogen atmosphere (100 mL in the temperfor the S-O stretching vibrations, this S-O moiety was (cid:3)C ature range from 30 to 1200 at a heating rate of from the BMIM MeSO IL.”
Lakshmanamoorthy 和 Manivannan - 2022 - Ionic liquids assist synthesis of AgAgX (X = Cl, DOI: 10.1007/s10854-021-06774-w -
Alkyl C-H достоверность 1,0
“cm)1, 1095 and 1199 while CH C shows four specific peaks at 995,”
Vodnar 等 - 2010 - Morphology, FTIR fingerprint and survivability of DOI: 10.1111/j.1365-2621.2010.02406.x -
Carbohydrate достоверность 1,0
“The same PC was also used to run Pike TemPRO spectrum of native starch shows peaks at 995 and 1022 software, which was used to control the heated ATR crystal and”
Warren 等 - 2013 - Infrared Spectroscopy with Heated Attenuated Total DOI: 10.1021/ac303552s -
Alkyl C-H достоверность 1,0
“The shows an OH stretching at 3260 (Hcm-1 cm-1 foregoing, together with an empty pan (used as a bonded), 2959 and 2870 (C-H cm-1 cm-1 reference) were placed in the DSC instrument stretching), and 995 and 1226 (C-O”
Ali 等 - 2020 - New insight into single phase formation of capric DOI: 10.4314/tjpr.v19i2.19 -
C-O single bond достоверность 1,0
“LLM confirmed rule peak-group candidate”
Combrzynski 等 - 2022 - Selected Physical and Spectroscopic Properties of DOI: 10.3390/ma15145061
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