What absorbs at 777 cm⁻¹ in an FTIR spectrum?
A band near 777 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
Possibili assegnazioni di gruppi funzionali
| Gruppo funzionale | Fatti di supporto | Fonti citate | Affidabilità massima |
|---|---|---|---|
| Alkyl C-H | 2 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Borate | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
La classifica riflette le prove bibliografiche accumulate, non una singola regola autorevole. Conferma sempre nel contesto del tuo campione.
Letteratura dietro queste assegnazioni
-
Siloxane (Si-O-Si) affidabilità 1,0
“LLM confirmed rule peak-group candidate”
Fabrication of sol-gel derived new quaternary silicate Bioglass S55P4 DOI: 10.1063/1.5089369 -
Aromatic ring affidabilità 1,0
“of the characteristic functional groups of poly flavonoids moiety in proanthocyanidins, whereas those attributed to those of the characteristic functional groups of poly flavonoids moiety in cm-1 at 1520 and 777 were attributed to the skele”
Biao 等 - 2018 - Green Synthesis, Characterization and Application DOI: 10.3390/nano8010053 -
Alkyl C-H affidabilità 1,0
“vibration of ether bond 777 817 and aer fastness of silk fabrics mordanting with six metal ions article cm-1 C-H 872 are the absorption peaks of the bond on the were conducted, the results are shown in Table 2.”
Extraction of pigments from camellia seed husks and their application on silk fabrics DOI: 10.1039/d2ra06793e -
Borate affidabilità 1,0
“In Figures 3 and 4, which 700cm-1 777cm-1 the vibration signals of [BO is [BO 3] B-O-B vibration.”
Lan 等 - 2021 - The Relationship between the Structure and Thermal DOI: 10.1155/2021/2321558 -
Silicon-oxygen (Si-O) affidabilità 1,0
“LLM confirmed rule peak-group candidate”
Corded Ware and Contemporary Hunter-Gatherer Pottery from Southeast Lithuania: Technological Insights through Geochemical and Mineralogical Approaches DOI: 10.3390/min12081006
Hai uno spettro con questa banda?
Carica il tuo spettro FTIR e ottieni un report di interpretazione completo — assegnazioni di picchi con citazioni bibliografiche, corrispondenze con librerie e una catena di prove con valutazione di affidabilità — in secondi.
Interpreta il mio spettro