C-S single bond — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where C-S single bond 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 8 cited sources
Quick answer
C-S single bond 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 C-S single bond
| Wavenumber (cm⁻¹) | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| 720 | 3 | 3 | 1.0 |
| 804 | 3 | 2 | 1.0 |
| 1000 | 2 | 2 | 1.0 |
| 700 | 2 | 2 | 1.0 |
| 1030 | 2 | 2 | 1.0 |
| 1020 | 2 | 2 | 1.0 |
| 664 | 2 | 2 | 1.0 |
| 970 | 2 | 2 | 1.0 |
| 980 | 2 | 2 | 1.0 |
| 960 | 2 | 2 | 1.0 |
| 1603 | 2 | 2 | 1.0 |
| 800 | 2 | 2 | 1.0 |
| 667 | 2 | 2 | 1.0 |
| 678 | 2 | 1 | 1.0 |
| 1160 | 2 | 1 | 1.0 |
| 629 | 1 | 1 | 1.0 |
| 677 | 1 | 1 | 1.0 |
| 2554 | 1 | 1 | 1.0 |
| 1047 | 1 | 1 | 1.0 |
| 1524 | 1 | 1 | 1.0 |
| 770 | 1 | 1 | 1.0 |
| 2359 | 1 | 1 | 1.0 |
| 839 | 1 | 1 | 1.0 |
| 1235 | 1 | 1 | 1.0 |
| 967 | 1 | 1 | 1.0 |
| 1125 | 1 | 1 | 1.0 |
| 807 | 1 | 1 | 1.0 |
| 1091 | 1 | 1 | 1.0 |
| 1250 | 1 | 1 | 1.0 |
| 1730 | 1 | 1 | 1.0 |
Showing the 30 best-supported peaks of 158 total for C-S single bond.
Spectrum logic
A functional-group assignment becomes more confident when several expected bands appear together. Use this page to find the strongest-supported peaks, then confirm that the same sample exhibits a coherent pattern rather than a single isolated hit.
Real-world usage
These pages are useful for unknown material analysis, peak explanation in reports, polymer troubleshooting, and verifying whether a candidate material family is chemically plausible.
Common mistakes
- Using one functional-group page as a complete material verdict without checking the rest of the spectrum.
- Assuming the strongest band is always the most diagnostic one.
- Forgetting that processing, additives, aging, and mixtures can shift or broaden expected peaks.
Verification advice
Use DSC, GC-MS, or TGA when several material families share similar bands or when mixture effects make the FTIR assignment uncertain.
Literature behind these assignments
-
2145 cm⁻¹ confidence 1.0
“LLM confirmed rule peak-group candidate”
Arivazhagan 和 Rexalin - 2013 - Vibrational spectra, UV-vis spectral analysis and DOI: 10.1016/j.saa.2013.01.029 -
2570 cm⁻¹ confidence 1.0
“The 52 53 spectrum of TMPMP exhibits characteristic stretching vibration of S-H and C-S at 2570 and 627 54 55”
Ataei 等 - 2020 - Electrosprayed PMMA microcapsules containing green DOI: 10.1088/1361-665X/ab9754 -
980 cm⁻¹ confidence 1.0
“The appearance of new peaks around 975-985 and Accepted 1 May 2011 of cement paste has been attributed to the formation of two principal hydration products (C-S-H) and Available online 13 May 2011 2,respectively.Thereisastrongresemblanceofp”
Theoretical and experimental study of structures and properties of cement paste The nanostructural aspects of C–S–H DOI: 10.1016/j.jpcs.2011.05.001 -
664 cm⁻¹ confidence 1.0
“cm-1 cm-1 Band at 1226 is due to CH wagging, C-S stretching vibration at 664 2 cm-1 confirmed the presence of S-S group.”
Crystal Growth, Spectral, Optical, Laser damage, Photoconductivity and Dielectric Properties of Semiorganic L-cystine hydrochloride Single Crystal DOI: 10.1016/j.saa.2015.06.113 -
762 cm⁻¹ confidence 1.0
“Copolymer (aqueous) (cm-1) (cm-1) Functional group Wave number Functional group Wave number S bending 762 C S stretching 532 C”
Dey Sadhu 等 - 2020 - Preparation and characterization of polyanilinea DOI: 10.1002/pc.25738 -
2014 cm⁻¹ confidence 1.0
“22.88(cid:1)0.23 16.58(cid:1)0.33 29.09(cid:1)0.23 C S-S vibration(disulfides) 2014).”
El-Sayed 和 Ismail - 2022 - Physico-chemodiversity variation between the most DOI: 10.1016/j.heliyon.2022.e12457 -
1008 cm⁻¹ confidence 1.0
“A single band at the absorption peak of 1008Two organotin(IV) diallyldithiocarbamate compounds have m cm(cid:1)1 996 is associated with the (C---S) absorption band, which”
Haezam 等 - 2021 - Synthesis and cytotoxic activity of organotin(IV) DOI: 10.1016/j.sjbs.2021.02.060 -
1215 cm⁻¹ confidence 1.0
“cm-1 Moreover, the absorption around 1214.89 and 1216.14 represents the availability of sulfated functional groups such as C-S-O and S-O [50,54].”
Characterization of Polyhydroxybutyrate, PHB, Synthesized by Newly Isolated Haloarchaea Halolamina spp. DOI: 10.3390/molecules27217366
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