Thiocyanate — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Thiocyanate tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 7 cited sources
Réponse rapide
Thiocyanate is usually assigned by looking for a recurring cluster of characteristic peaks rather than one exact textbook number. The table below shows where the literature most often places this group in FTIR, ranked by accumulated evidence.
Characteristic FTIR peaks for Thiocyanate
Logique du spectre
Une attribution de groupe fonctionnel devient plus fiable lorsque plusieurs bandes attendues apparaissent ensemble. Utilisez cette page pour trouver les pics les mieux soutenus, puis confirmez que le même échantillon présente un motif cohérent plutôt qu＇un seul hit isolé.
Utilisation réelle
Ces pages sont utiles pour l＇analyse de matériaux inconnus, l＇explication des pics dans les rapports, le dépannage des polymères et la vérification de la plausibilité chimique d＇une famille de matériaux candidate.
Erreurs courantes
- Utiliser une page de groupe fonctionnel comme verdict complet du matériau sans vérifier le reste du spectre.
- En supposant que la bande la plus forte est toujours la plus diagnostique.
- Oublier que le traitement, les additifs, le vieillissement et les mélanges peuvent décaler ou élargir les pics attendus.
Conseil de vérification
Utilisez DSC, GC-MS ou TGA lorsque plusieurs familles de matériaux partagent des bandes similaires ou lorsque les effets de mélange rendent l＇attribution FTIR incertaine.
Bibliographie derrière ces attributions
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2200 cm⁻¹ confiance 1,0
“cm-1 SCN vibration, such as a sharp peak of CN group around 2200 If sharp peak around 2200 was observed, the presence of SCN in the crystal, either as coordinating ligand to cobalt(II) or as counter”
Khunur 等 - 2020 - Thiocyanate Doping in Gel-Growth Cobalt Oxalate Cr DOI: 10.1088/1757-899X/833/1/012017 -
2057 cm⁻¹ confiance 1,0
“The amide A band, charcm-1 cm-1, acterized by a broad peak at 3273 and a medium-intensity narrow peak at 2057 (SCN-) corresponds to thiocyanate anions and is characteristic of saliva.”
Unlocking the Diagnostic Potential of Saliva: A Comprehensive Review of Infrared Spectroscopy and Its Applications in Salivary Analysis DOI: 10.3390/jpm13060907 -
3440 cm⁻¹ confiance 1,0
“Fig.7.FromFig.7a,itcanbeobservedthatallthesamplesshow adsorption edge of as-prepared hybrids exhibit an obvious cm(cid:3)1 an absorption peak at 3440 which can be assigned to the redshi as compared to that of pure diatomite and SCN.”
Immobilization of g-C3N4 nanosheets on diatomite via electrostatic adsorption and their photocatalytic activity DOI: 10.1039/c8ra05408h -
2063 cm⁻¹ confiance 1,0
“The band area at 2063 cm-1) indicates SCN- (SCN-, C-N stretching).”
Rodrigues 等 - 2019 - Differential Molecular Signature of Human Saliva U DOI: 10.1590/0103-6440201902228 -
2058 cm⁻¹ confiance 0,8
“Band at 2058 cm-1 attributed to thiocyanate.”
The Role of the Preanalytical Step for Human Saliva Analysis via Vibrational Spectroscopy DOI: 10.3390/metabo13030393 -
2070 cm⁻¹ confiance 0,8
“Text: 'shoulder at 2070' and 'SCN-'”
Johnson 等 - 2021 - An ultrafast vibrational study of dynamical hetero DOI: 10.1063/5.0044822 -
2100 cm⁻¹ confiance 0,7
“Peak at 2100 cm-1 observed in 1900-2300 region, assigned to thiocyanate.”
Zhou ZhiYou 等 - 2013 - Kinetics of thiocyanate orientation conversion on DOI: 10.1007/s11434-012-5473-8
See Thiocyanate in your own spectrum
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