What absorbs at 853 cm⁻¹ in an FTIR spectrum?
A band near 853 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
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| Methoxy (OCH3) | 4 | 4 | 1,0 |
| Methacrylate | 4 | 4 | 1,0 |
| Acetate | 4 | 4 | 1,0 |
| Silicon (Si) | 3 | 3 | 1,0 |
| C-O single bond | 3 | 3 | 1,0 |
| Alkyl C-H | 3 | 3 | 1,0 |
| Silicon-oxygen (Si-O) | 2 | 2 | 1,0 |
| Chlorine | 1 | 1 | 1,0 |
| Oxygen heterocycle | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Protein | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
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Acetate pouzdanost 1,0
“In ATMC the 1289cm-1 ringbreathingmodeisobservedat853cm-1 1351 and corresponds to the C O stretching mode.”
Arjunan 等 - 2007 - Fourier transform infrared and Raman spectral assi DOI: 10.1016/j.saa.2006.09.044 -
Metal oxygen pouzdanost 1,0
“The A cm-1 absorption band at 853 is attributed to metal oxygen stretching vibrations at tetrahedral site M due to Fe-O at A site.”
Effect of Gd and Nb on Dielectric and Magnetic Transition temperature of BaTiO3- Li0.5Fe2.5O4 Composites DOI: 10.1016/j.physb.2019.02.035 -
Amide pouzdanost 1,0
“Normal cervix tissues are characterized by strong, broad amide I, cm(cid:1)1 broader amide III and strong peaks at 853 and 938 which can be attributed to structural proteins such as collagen.”
Krishna 等 - 2006 - Raman spectroscopy studies for diagnosis of cancer DOI: 10.1016/j.vibspec.2006.01.011 -
Silicon (Si) pouzdanost 1,0
“1) of the Si-Hf-O-C gel crosslinked at 60 °C shows the absorption bands for cm-1 853cm-1 cm-1, [15], Si-CH at 1268 and [16], Si-C at 803 and these functionalities C-H at 1388 3”
Shou 等 - 2012 - Fabrication of the SiOCHfO2 Ceramic Composites by DOI: 10.4028/www.scientific.net/KEM.512-515.912 -
Alkene (C=C) pouzdanost 1,0
“The C=C has a stretching vibration at 1515cm-1 853cm-1 1376cm-1 and bending vibration at [45].”
HPTLC and FTIR Fingerprinting of Olive Leaves Extracts and ATR-FTIR Characterisation of Major Flavonoids and Polyphenolics DOI: 10.3390/molecules26226892 -
Acetate pouzdanost 1,0
“1057 Strong C-O stretching Primary alcohol 853, 769, 615 Strong”
Evaluation of anticandidal activities and phytochemical examination of extracts prepared from DOI: 10.1186/s12906-022-03552-x -
pouzdanost 1,0
“9c), as well as a peak at 852.7 eV [50], PM-IRAS only displays the surface adsorbed species, characteristic of metallic Ni (not shown).”
Surface Spectroscopy on UHV-Grown and Technological Ni–ZrO2 Reforming Catalysts: From UHV to Operando Conditions DOI: 10.1007/s11244-016-0678-8 -
pouzdanost 1,0
“cm-1, silicon are also denoted by the vibrational band at 950 which is assigned to Si-O cm-1 cm-1 stretching [7,20,21] and the bands at 853 and 804 are assigned to Si-(CH 3) 2 skeletal vibration and Si-O-C stretching, both in the same range”
The Origin and Physico-Chemical Properties of Some Unusual Earth Rock Fragments DOI: 10.3390/app12030983
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