What absorbs at 1459 cm⁻¹ in an FTIR spectrum?
A band near 1459 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
त्वरित उत्तर
A band near 1459 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.
संभाव्य कार्यात्मक-गट नियुक्त्या
| कार्यात्मक गट | समर्थन करणारी तथ्ये | उद्धृत स्रोत | सर्वोच्च आत्मविश्वास |
|---|---|---|---|
| Alkyl C-H | 16 | 16 | 1.0 |
| Methyl | 6 | 6 | 1.0 |
| Methacrylate | 5 | 5 | 1.0 |
| Acetate | 5 | 5 | 1.0 |
| Methoxy (OCH3) | 4 | 4 | 1.0 |
| Hydroxyl (O-H) | 4 | 4 | 1.0 |
| Carboxyl (COOH) | 3 | 3 | 1.0 |
| Carbonyl (C=O) | 3 | 3 | 1.0 |
| Amide | 3 | 3 | 1.0 |
| Secondary amine | 3 | 3 | 1.0 |
| Carbonate | 2 | 2 | 1.0 |
| Ketone | 2 | 2 | 1.0 |
| Ester | 2 | 2 | 1.0 |
| Protein | 2 | 2 | 1.0 |
| N h | 2 | 2 | 1.0 |
| C-O single bond | 2 | 2 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Fatty acid | 1 | 1 | 1.0 |
रँकिंग संचित साहित्य पुरावा प्रतिबिंबित करते, एकच अधिकृत नियम नाही. नेहमी तुमच्या नमुना संदर्भाविरुद्ध पुष्टी करा.
संभाव्य साहित्य
| सामग्री | सहाय्यक शिखरे | ओव्हरलॅपिंग गट | उद्धृत स्रोत |
|---|---|---|---|
| Polypropylene | 1459, 1030, 1600 | Alkyl C-H, Methacrylate, Acetate | 1 |
साहित्य केवळ तेव्हाच दर्शविले जातात जेव्हा समान साहित्य पूल या बँडला आणि किमान एक अतिरिक्त वैशिष्ट्यपूर्ण शिखराला समर्थन देतो.
स्पेक्ट्रम तर्क
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 1459 cm⁻¹ is usually not enough for material identification by itself.
वास्तविक-जग वापर
या प्रकारचा प्रश्न पॉलिमर ओळख, अज्ञात प्लास्टिक स्क्रीनिंग, क्यूसी ट्रबलशूटिंग, रिसायकल केलेल्या सामग्रीची पडताळणी आणि साहित्य-समर्थित पीक असाइनमेंट पुनरावलोकनात सामान्य आहे.
सामान्य चुका
- कमीत कमी एक किंवा दोन सहाय्यक शिखरे तपासल्याशिवाय एका वेगळ्या बँडला सामग्रीचा पुरावा मानणे.
- ओव्हरलॅप दुर्लक्षित करणे: अनेक कार्यात्मक गट समान तरंगसंख्येजवळ योगदान देऊ शकतात.
- जेव्हा अॅडिटीव्हज, ब्लेंड्स, ऑक्सिडेशन किंवा दूषितता स्पेक्ट्रम विकृत करू शकतात तेव्हा वैधता वगळणे.
पडताळणी सल्ला
जेव्हा अस्पष्टता राहते, तेव्हा DSC, GC-MS किंवा TGA सह गृहीतक प्रमाणित करा, विशेषतः मिश्रण, खराब झालेले नमुने आणि भरलेले पॉलिमर यासाठी.
या नियुक्त्यांमागील साहित्य
-
Alkyl C-H आत्मविश्वास 1.0
“C-H 2927 stretching 1459 bending 66.5577 0.7872 4.42 2.75 Cu-H C-H 2062 stretching 1421 bending”
El Bialy 等 - 2020 - Comparative Toxicological Effects of Biologically DOI: 10.2147/IJN.S241922 -
Alkyl C-H आत्मविश्वास 1.0
“shoulder band at about The 1459 and 1384cm-1 bands are methyl bending signals and bands at 1243”
Font 等 - 2007 - Fourier transform infrared spectroscopy as a suita DOI: 10.1016/j.aca.2007.07.021 -
Hydroxyl (O-H) आत्मविश्वास 1.0
“1596 Stretching vibration of carbon atoms in the aromatic framework 1513 1508 Aromatic skeletal vibrations in extractives and lignin 3399 3399 O-H stretching vibration of carbohydrate C-OH 1459”
Jin 等 - 2022 - Rapid Identification for the Pterocarpus Bracelet DOI: 10.3390/molecules27154793 -
Alkyl C-H आत्मविश्वास 1.0
“cm-1 (carboxylic acid), 1599 (aromatic C C bending and stretchcm-1 cm-1 ing), 1459 (C H bend), 1382 ( OH bending and C O cm-1 stretching of carboxylic acid), 741 and 756 (1,2-disubstituted ring vibrations), respectively.”
Telmisartan complex augments solubility, dissolution and drug delivery in prostate cancer cells DOI: 10.1016/j.carbpol.2013.09.077 -
Acetate आत्मविश्वास 1.0
“rPP rPP + 10% -C-H (CH2) Vibrational Mode 2868.2 69.2 2870.0 70.9 2868.2 73.8 2868.2 83.2 WN Intensity WN Intensity WN Intensity WN Intensity stretching 1459.2 68.2 1459.3 70,6 1459.2 72,5 1459.3 80.1 C-O-H 2868.2 69.2 2870.0 70.9 2868.2 73”
Glass Powder Additive on Recycled Polypropylene Filaments: A Sustainable Material in 3D Printing DOI: 10.3390/polym14010005 -
Alkyl C-H आत्मविश्वास 1.0
“Peaks at 1459 and 1345 cm-1 are due to the stretching vibration of C-H in CH2 and”
Walnut Oil Oleogels as Milk Fat Replacing System for Commercially Available Chocolate Butter DOI: 10.3390/gels8100613 -
Carboxyl (COOH) आत्मविश्वास 1.0
“The band observed at ~1459 due to the capability of possessing high specific capaciCOOcould be assigned to the presence of carboxyl group tance of the sample M2.”
Physico-chemical properties of pure and zinc incorporated cobalt nickel mixed ferrite (ZnxCo0.005−xNi0.005Fe2O4, where x = 0, 0.002, 0.004 M) nanoparticles DOI: 10.1007/s10854-017-7556-4 -
Aromatic ring आत्मविश्वास 1.0
“LLM confirmed rule peak-group candidate”
Development of New Amphiphilic Catalytic Steam Additives for Hydrothermal Enhanced Oil Recovery Techniques DOI: 10.3390/catal12080921
या बँडसह स्पेक्ट्रम आहे का?
तुमचे FTIR स्पेक्ट्रम अपलोड करा आणि सेकंदात पूर्ण व्याख्या अहवाल मिळवा — साहित्य संदर्भांसह शिखर नियुक्त्या, लायब्ररी मॅचेस, आणि आत्मविश्वास-रेट केलेली पुरावा साखळी.