What absorbs at 1388 cm⁻¹ in an FTIR spectrum?
A band near 1388 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
ممکنہ فنکشنل گروپ تفویضات
| فنکشنل گروپ | معاون حقائق | حوالہ کردہ ذرائع | سب سے زیادہ اعتماد |
|---|---|---|---|
| Alkyl C-H | 3 | 2 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
درجہ بندی جمع شدہ ادبی ثبوتوں کی عکاسی کرتی ہے، نہ کہ ایک واحد مستند اصول۔ ہمیشہ اپنے نمونے کے سیاق و سباق کے خلاف تصدیق کریں۔
ان تفویضات کے پیچھے ادب
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Hydroxyl (O-H) اعتماد 1.0
“Indeed, a large band cm-1 (ν with a maximum at 3342 corresponding to the OH stretch OH) of interacting hydroxyl groups increases cm-1 with IPA breakthrough on the surface while the bands at 1388 also indicates strongly non dissociated IPA.”
Sorbent track: Quantitative monitoring of adsorbed VOCs under in-situ plasma exposure DOI: 10.1038/srep31888 -
Alkyl C-H اعتماد 1.0
“Furthermore, the DMF spectrum shows a symmetrical and asymmetrical C-H bending vibrations related to the two bands located at 1457 cm-1 and 1388 cm-1, respectively [70].”
Characterization of a New Low Temperature Encapsulation Method with Ethylene-Vinyl Acetate under UV Irradiation for Perovskite Solar Cells DOI: 10.3390/app12105228 -
Water (H2O) اعتماد 1.0
“The peaks at 731 650 1388 cm-1 are due to vibrations of free water molecules.”
Investigation of morphological, structural and electronic transformation of PVDF and ZnO/rGO/PVDF hybrid membranes DOI: 10.1007/s11082-023-04663-6 -
Alkyl C-H اعتماد 1.0
“Additionally, the presence of bands at 1388, brown due to the surface plasmon resonance phenomenon, cm-1 indicated the presence of C-H bending 1399, and 1418 which in turn resulted in the intense absorption peak exhicm-1”
Antibacterial Potential of Bacterial Cellulose Impregnated with Green Synthesized Silver Nanoparticle Against S. aureus and P. aeruginosa DOI: 10.1007/s00284-023-03182-7 -
C c single bond اعتماد 1.0
“Creative C-C stretching (benzenoid) 1388, 1321”
Development of a near infrared novel bioimaging agent via co-oligomerization of Congo red with aniline and o-phenylenediamine: experimental and theoretical studies DOI: 10.1039/c9ra05814a
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