What absorbs at 506 cm⁻¹ in an FTIR spectrum?
A band near 506 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
Jibu la haraka
A band near 506 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Alkyl C-H | 2 | 2 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Boron nitrogen | 1 | 1 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
Cheo kinaonyesha ushahidi wa fasihi uliokusanywa, si sheria moja yenye mamlaka. Thibitisha kila mara dhidi ya mazingira ya sampuli yako.
Nyenzo zinazowezekana
| Nyenzo | Vilele vya usaidizi | Vikundi vinavyoingiliana | Vyanzo vilivyotajwa |
|---|---|---|---|
| graphene | 506, 1720, 2097 | Hydroxyl (O-H) | 1 |
| TiO2 | 506, 1700, 1093 | Hydroxyl (O-H), Alkyl C-H | 1 |
| ZnO | 506, 1400, 3430 | Hydroxyl (O-H), Alkyl C-H | 1 |
| rGO | 506, 2358, 2930 | Hydroxyl (O-H), Alkyl C-H | 1 |
| PANI | 506, 2930, 1300 | Alkyl C-H, Ring structure | 1 |
| zirconia | 506, 1100, 460 | Hydroxyl (O-H) | 1 |
Nyenzo zinaonyeshwa tu wakati mkusanyiko sawa wa fasihi unaunga mkono bendi hii na angalau kilele kimoja cha ziada cha sifa.
Mantiki ya wigo
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 506 cm⁻¹ is usually not enough for material identification by itself.
Matumizi ya ulimwengu halisi
Aina hii ya swala ni ya kawaida katika utambuzi wa polima, uchunguzi wa plastiki isiyojulikana, utatuzi wa shida za QC, uthibitishaji wa nyenzo zilizosindikwa, na ukaguzi wa ugawaji wa kilele unaoungwa mkono na fasihi.
Makosa ya kawaida
- Kuchukua bendi moja iliyotengwa kama uthibitisho wa nyenzo bila kuangalia angalau kilele kimoja au viwili vya usaidizi.
- Kupuuza mwingiliano: vikundi vingi vya utendaji vinaweza kuchangia karibu na nambari ya wimbi sawa.
- Kuruka uthibitishaji wakati viongezi, mchanganyiko, uoksidishaji, au uchafuzi unaweza kupotosha wigo.
Ushauri wa uthibitishaji.
Wakati utata unabaki, thibitisha nadharia kwa kutumia DSC, GC-MS, au TGA, hasa kwa mchanganyiko, sampuli zilizoharibika, na polima zilizojazwa.
Fasihi nyuma ya ugawaji huu
-
Metal oxygen uaminifu 1.0
“LLM confirmed rule peak-group candidate”
Nurdiansah 等 - 2020 - Synthesis of ZnOrGOTiO2 Composite and Its Photoc DOI: 10.1088/1757-899X/833/1/012028 -
C c single bond uaminifu 1.0
“1930 CH (bending)/C=O 2 C-O-H (bending)/C-O 1362 (stretching), alcohol, ester, ether, carboxylic acid 1078 C-C-O (asymmetric stretching) bending)/C-H 506 O-H (Out-of-plane (bending)”
Hayyan 等 - 2015 - Functionalization of graphene using deep eutectic DOI: 10.1186/s11671-015-1004-2 -
Phosphate (PO4) uaminifu 1.0
“506 752 978 1642 2382 and 3464 The band at around 506 is 43cm-1 506 cm-1 is attributed to the bending vibrations (PO43-) of O-P-O [15,16,22] The absorption bands at attributed to the bending vibrations (PO ) of O-P-O [15,16,22] The absorpti”
Influence of ZrO2 Addition on Structural and Biological Activity of Phosphate Glasses for Bone Regeneration DOI: 10.3390/ma13184058 -
Amide uaminifu 1.0
“1146cm(cid:2)1 early T-O-T Bands at 1298 and are due to vibrations of the C-N system (N-B-N) and the C¼N system (N¼ amine.32 Q¼N) of the acrylic secondary The bands at 506 and 695cm(cid:2)1 bending.33 are characteristic of C-H out-of-plane”
Safidine 等 - 2013 - Thermoelectrical characterization of new material DOI: 10.1038/pj.2012.232; -
Hydroxyl (O-H) uaminifu 1.0
“Among them, the peak at about1000cm-1iscausedbyδ(O-H)in-planebending is related to the vibration, and the peak at 506 cm-1 γ(O-H) out-of-plane bending vibration.”
Xu 和 Yu - 2019 - PRESSED GIBBSITE AND CALCITE AS A RHODOCHROSITE IM DOI: 10.5741/GEMS.55.3.406
Una wigo wenye bendi hii?
Pakia wigo wako wa FTIR na upate ripoti kamili ya tafsiri — ugawaji wa vilele na marejeleo ya fasihi, ulinganishaji wa maktaba, na mlolongo wa ushahidi wenye kiwango cha uaminifu — kwa sekunde.