N-O bond — FTIR-absorptions-toppe og tildelinger

Hurtigt svar

N-O bond tildeles normalt ved at lede efter en tilbagevendende klynge af karakteristiske toppe frem for et præcist lærebogsnummer. Tabellen nedenfor viser, hvor litteraturen oftest placerer denne gruppe i FTIR, rangeret efter akkumuleret evidens.

Karakteristiske FTIR-toppe for N-O bond

Viser de 30 bedst understøttede toppe ud af 412 i alt for N-O bond.

Spektrumlogik

En funktionel gruppetildeling bliver mere sikker, når flere forventede bånd optræder sammen. Brug denne side til at finde de bedst understøttede peaks, og bekræft derefter, at den samme prøve udviser et sammenhængende mønster snarere end et enkelt isoleret hit.

Anvendelse i virkeligheden

Disse sider er nyttige til analyse af ukendte materialer, topforklaring i rapporter, polymerfejlfinding og verifikation af, om en kandidatmaterialefamilie er kemisk plausibel.

Almindelige fejl

• Brug af én funktionel-gruppe-side som en komplet materialebedømmelse uden at kontrollere resten af spektret.
• Antager, at det stærkeste bånd altid er det mest diagnostiske.
• At glemme, at forarbejdning, tilsætningsstoffer, ældning og blandinger kan flytte eller udvide forventede toppe.

Verifikationsrådgivning

Brug DSC, GC-MS eller TGA, når flere materialefamilier deler lignende bånd, eller når blandings-effekter gør FTIR-tildelingen usikker.

Litteratur bag disse tildelinger

• 1000 cm⁻¹ tillid 1,0

  “The peaks observed in IR at bending peak observed at in IR and no peaks observed in 1000cm(cid:2)1 1106 and 961 and in Raman at 1103 and”

  Arjunan 等 - 2012 - Quantum chemical studies and vibrational analysis DOI: 10.1016/j.saa.2012.08.053
• 1170 cm⁻¹ tillid 1,0

  “film 1170cm-1 1180cm-1 same from to suggesting possible transformation from to This showed no film apparent defect on its surface.”

  Arshad 等 - 2019 - Dielectric and Structural Properties of Poly(vinyl DOI: 10.1155/2019/5961563
• 1302 cm⁻¹ tillid 1,0

  “cm-1 cm-1, characteristic peaks at 1302 and 1416 which correspond to vibrational modes 3-) (COO-) of nitrate (NO and acetate ions [50,51].”

  Sol-Gel Synthesized High Entropy Metal Oxides as High-Performance Catalysts for Electrochemical Water Oxidation DOI: 10.3390/molecules27185951
• 3326 cm⁻¹ tillid 1,0

  “carbon-hydrogen or C-O band stretching (1233 this is why no characteristic peak was appeared due to cm-1 The broad peak at 3326 is the characteristic band for”

  Awal 等 - 2012 - Thermal analysis and spectroscopic studies of elec DOI: 10.1007/s10973-011-1875-0
• 405 cm⁻¹ tillid 1,0

  “This N-O bond is also proved by XPS on deconvolution peaks detected at 404.8 and 531.5 eV in N 1s and O 1s, respectively.”

  Azami 等 - 2017 - Formation of predominant interstitial N-TiO2 using DOI: 10.5004/dwt.2017.21496
• 2917 cm⁻¹ tillid 1,0

  “cm-1 Aand Bsites IR-spectrum of BaM sample shows the band around 2917 and 3416 assign O-H cm-1, CO2stretching of water, the N-O elongating at about 1481-1484 vibration of anti-symmetrical at α-Fe cm-1, cm-1, 1642 and 2O stretching metal-O a”

  Effect of rare earth and transition metal La-Mn substitution on electrical properties of co-precipitated M-type Ba-ferrites nanoparticles DOI: 10.1016/j.jre.2018.08.005
• 1413 cm⁻¹ tillid 1,0

  “The absorption bands 1413 cm-1 3-, cm-1 cm-1 at 815.25 and 728.12 were assigned to the N-O bending vibration of NO and to C-N at 815.25 cm-1 and 728.12 cm-1 were assigned to the N-O bending vibration of NO3-, and to C-N stretching from the”

  Effect of Ratio in Ammonium Nitrate on the Structural, Microstructural, Magnetic, and AC Conductivity Properties of BaFe12O19 DOI: 10.3390/ma11112190
• 1636 cm⁻¹ tillid 1,0

  “lysation reaction of to cm(cid:1)1 C¼¼C The sharp peak at 1636 indicates the bond of the synthesized difunctional monomer and no unreacted materials like 3-MPTS and acrylic acid.”

  Synthesis of UV-curable difunctional silane monomer based on 3-methacryloxy propyl trimethoxysilane (3-MPTS) and its UV-curing characteristics and thermal stability DOI: 10.1002/app.31266