Boron nitrogen — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Boron nitrogen 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
Boron nitrogen 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 Boron nitrogen
| Wavenumber (cm⁻¹) | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| 750 | 5 | 4 | 1.0 |
| 1400 | 5 | 3 | 1.0 |
| 1100 | 2 | 2 | 1.0 |
| 780 | 2 | 1 | 1.0 |
| 1380 | 2 | 0 | 1.0 |
| 1080 | 2 | 0 | 1.0 |
| 1370 | 1 | 1 | 1.0 |
| 1117 | 1 | 1 | 1.0 |
| 803 | 1 | 1 | 1.0 |
| 700 | 1 | 1 | 1.0 |
| 1369 | 1 | 1 | 1.0 |
| 506 | 1 | 1 | 1.0 |
| 1298 | 1 | 1 | 1.0 |
| 778 | 1 | 1 | 1.0 |
| 1350 | 1 | 1 | 1.0 |
| 1250 | 1 | 1 | 1.0 |
| 1474 | 1 | 1 | 1.0 |
| 1566 | 1 | 1 | 1.0 |
| 1558 | 1 | 1 | 1.0 |
| 2058 | 1 | 1 | 1.0 |
| 1045 | 1 | 1 | 1.0 |
| 1307 | 1 | 1 | 1.0 |
| 1495 | 1 | 1 | 1.0 |
| 1590 | 1 | 1 | 1.0 |
| 2691 | 1 | 1 | 1.0 |
| 2960 | 1 | 1 | 1.0 |
| 1442 | 1 | 1 | 1.0 |
| 1086 | 1 | 1 | 1.0 |
| 605 | 1 | 1 | 1.0 |
| 1331 | 1 | 1 | 1.0 |
Showing the 30 best-supported peaks of 55 total for Boron nitrogen.
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
-
780 cm⁻¹ confidence 1.0
“LLM confirmed rule peak-group candidate”
Bejarano 等 - 2006 - Deposition of B4CBCNc-BN multilayered thin films DOI: 10.1016/j.tsf.2005.08.192 -
1100 cm⁻¹ confidence 1.0
“Well-defined peaks at cm-1, 1100 and 1387 corresponding to the 2 (out-plane bending of B-N-B bond) h-BN 787 (in-plane stretching vibration mode, the F2 (stretching) c-BN Transversal Optical (TO) mode and the E of B-N bond) vibration mode of”
Cubic and hexagonal boron-nitride (c-BN/h-BN) thin films deposited in situ by r.f. magnetron sputtering DOI: 10.1002/pssb.200461776 -
1040 cm⁻¹ confidence 1.0
“The films contained mixed phases of h-BN cm(cid:1)1 peak at 1040 and c-BN, which were confirmed from XRD, TEM, SIMS, for the B-N stretching mode of c-BN XPS, and FTIR studies.”
Chowdhury 等 - 2004 - Novel electrodeposition route for the synthesis of DOI: 10.1016/j.matlet.2004.05.079 -
1123 cm⁻¹ confidence 1.0
“cm-1 The characteristic peak of 1123 corresponds to vibration modes of the B-N+, Q = N+ and N = Q = N (Q and B represent the quinoid and benzoid units, respectively) due to protonation of PANI.”
Jin 等 - 2018 - Polymer anode used in hydrometallurgy Anodic beha DOI: 10.1016/j.hydromet.2018.01.020 -
800 cm⁻¹ confidence 1.0
“The FTIR spectrum exhibited absorption bands at cm-1, approximately 800 and 1378 which were related to the h-BN structure.”
Kim 等 - 2015 - One-Pot Synthesis of h-BN Fullerenes Usinsg a Grap DOI: 10.1007/s12540-015-5043-0 -
1410 cm⁻¹ confidence 1.0
“LLM confirmed rule peak-group candidate”
Kumar 等 - 2016 - Emergence of fluorescence in boron nitride nanofla DOI: 10.1039/C6RA05288F. -
1130 cm⁻¹ confidence 1.0
“=𝜇(1282cm-1)/𝜇(2120cm-1) × 5.5 × 16.5, out h-BN additive displayed typical yellow due to the 𝜇(1130cm-1), 𝜇(1282cm-1) 𝜇(2120cm-1) involvement of nitrogen impurities, which is inevitable where and 2120cm-1, in the synthesis cell.”
B–C Bond in Diamond Single Crystal Synthesized with h-BN Additive at High Pressure and High Temperature DOI: 10.1088/0256-307X/33/2/028101 -
605 cm⁻¹ confidence 1.0
“We have investigated this peak in detail and examined its origin, and we have concluded that it is not due to B-N complexes but arises from the second harmonic of the substitutional carbon (Cs), the fundamental peak of 605cm(cid:1)1.”
Second Harmonic Vibrational Mode of Substitutional Carbon in Cast-Grown Multicrystalline Silicon DOI: 10.1143/APEX.4.051401
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