What absorbs at 1312 cm⁻¹ in an FTIR spectrum?
A band near 1312 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
Atribuiri posibile ale grupelor funcționale
| Grup funcțional | Fapte suport | Surse citate | Încredere maximă |
|---|---|---|---|
| Amide | 7 | 5 | 1,0 |
| Secondary amine | 4 | 2 | 1,0 |
| C n single bond | 4 | 2 | 1,0 |
| Methoxy (OCH3) | 3 | 3 | 1,0 |
| Methacrylate | 3 | 3 | 1,0 |
| C-O single bond | 3 | 3 | 1,0 |
| Acetate | 3 | 3 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Lipid | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
Clasamentul reflectă dovezile acumulate din literatură, nu o singură regulă autoritară. Confirmați întotdeauna în contextul mostrei dvs.
Literatura din spatele acestor atribuiri
-
Amide încredere 1,0
“The 1312cm-1 1026cm-1 band observed at and are corresponding to C-N”
Co-pyrolysis of rice straw and water hyacinth_ Characterization of products, yields and biomass interaction effect DOI: 10.1016/j.biombioe.2019.105281 -
Amide încredere 1,0
“A well-defined amide II band cm(cid:0) cm(cid:0) 1 1 (C-N at 1515 (tyrosine) and a small amide III band at 1312”
Organic biopolymers of venus clams: Collagen-related matrix in the bivalve shells with crossed-lamellar ultrastructure DOI: 10.1016/j.bbrep.2021.100939 -
C c single bond încredere 1,0
“ester C-C-O stretch 1312 1343”
Comprehensive analytical and structural characteristics of methyl 3,3-dimethyl-2-(1-(pent-4-en-1-yl)-1H-indazole-3-carboxamido)butanoate (MDMB-4en-PINACA) DOI: 10.1007/s11419-021-00573-y -
Acetate încredere 1,0
“another additional peak at 1312.27 corresponds to the C-O cm-1 corresponds to the C-O bonds in dopamine molecule that verifies the dopamine addition on 691.17 cm-1 corresponds to the Ce-O stretching vibrations [11];”
Synthesis of Lipase-Immobilized CeO2 Nanorods as Heterogeneous Nano-Biocatalyst for Optimized Biodiesel Production from Eruca sativa Seed Oil DOI: 10.3390/catal10020231 -
Amide încredere 1,0
“976 cm-1, cm-1, bands around 1600 and minor amide III and V bands around 1312 and 690 respectively.”
The affiliation of Hexasterias problematica and Halodinium verrucatum sp. nov. to ciliate cysts based on molecular phylogeny and cyst wall composition DOI: 10.1016/j.ejop.2018.09.002 -
Alkyl C-H încredere 1,0
“The bands at 1429 and 1312 cm-1 can be attributed to symmetric angular strain in the plane of the CH2 group and symmetrical angular strain in the plane of the CH2 groups, respectively.”
Impact and Tensile Properties of Polyester Nanocomposites Reinforced with Conifer Fiber Cellulose Nanocrystal:A Previous Study Extension DOI: 10.3390/polym13111878 -
Amide încredere 1,0
“Amide III stretching Phospholipids (v) 1312 CH2 3.1.”
Label-Free Discrimination Analysis of De-Differentiated Vascular Smooth Muscle Cells, Mesenchymal Stem Cells and Their Vascular and Osteogenic Progeny Using Vibrational Spectroscopy DOI: 10.1016/j.bbamcr.2017.11.006 -
Amide încredere 1,0
“1382 shifted to 1385 Furthermore, cm-1 ν(C-N) the peak intensity of DH at 1312 cm-1 decreased and shifted to a weak band at 1309”
Somphon 和 Makatan - 2019 - Characterization of donepezil prepared by cogrindi DOI: 10.2306/scienceasia1513-1874.2019.45.028
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