What absorbs at 2181 cm⁻¹ in an FTIR spectrum?
A band near 2181 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 5 cited sources
संभावित कार्यात्मक-समूह असाइनमेंट
| कार्यात्मक समूह | समर्थन तथ्य | उद्धृत स्रोत | शीर्ष विश्वास |
|---|---|---|---|
| Adsorbed carbon monoxide | 4 | 4 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
रैंकिंग संचित साहित्य साक्ष्य को दर्शाती है, एक एकल आधिकारिक नियम नहीं। हमेशा अपने नमूना संदर्भ के खिलाफ पुष्टि करें।
इन असाइनमेंट के पीछे का साहित्य
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Adsorbed carbon monoxide विश्वास 1.0
“cm-1-with * stretching vibrations and at 1800-1300 the bending vibrations), carbon dioxide (bands at 0.04 cm-1, 2359-2310 attributed to the asymmetric stretching cm-1, vibrations and at 669 associated with the degenerate 0.02 bending vibrat”
Studies of thermal properties of di(methacryloyloxymethyl)naphthalene–divinylbenzene (DMN–DVB) copolymer and its alkyl-bonded derivatives DOI: 10.1007/s10973-019-08150-7 -
Adsorbed carbon monoxide विश्वास 1.0
“Also bands pointing to the for0 cm-1, mation of carbon monoxide (bands at 2181 and 2114 related to the stretching vibrations) appear.”
Maciejewska 和 Rogulska - 2019 - Insight into functionalized DMN-co-GMA copolymers DOI: 10.1007/s10973-019-08327-0 -
Adsorbed carbon monoxide विश्वास 1.0
“Moreover, bands typical of carbon dioxide (at 2359-2310 attributed to asymcm-1, metric stretching vibrations and at 669 caused by degenerate bending vibrations), cm-1, carbon monoxide (at 2181 and 2114 related to stretching vibrations) and”
Regular Polymeric Microspheres with Highly Developed Internal Structure and Remarkable Thermal Stability DOI: 10.3390/ma14092240 -
Alkyl C-H विश्वास 1.0
“Stretching CO 2181 and 2116 C-H cm-1 Stretching Alkyl groups 3000-2800 C-H cm-1 Carboxylic acids 3000-2800 Stretching cm-1 1780-1640”
Pyrolysis and Volatile Evolution Behaviors of Cold-Rolling Oily Sludge DOI: 10.3390/pr10030543 -
Adsorbed carbon monoxide विश्वास 1.0
“cm-1, The peak at 2181 characteristic of carbon monoxide, changes its position in a fashion indicating that FTIR spectra of the sorption products in the gaseous phase the oxidation of the surfactant is a multistage process.”
Study of effect of phosphate and uranium ions on the thermal properties of surfactant-modified natural red clay using TG–FTIR–MS techniques DOI: 10.1007/s10973-018-7616-x
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