FT-IR spectroscopy with compacted KBr pellets
Air-dried sample of compound 1 · Powder
Thermo Nicolet NEXUS 670 FT-IR; spectra compared for reference oxalate framework, air-dried compound 1, adipamide and adipic acid.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| amide stretching mode in compound 1 | amide group stretching mode absent | — | — | Text Qualitative | 1 · structure discussion · Figure S1 |
| carboxylic-acid C=O stretching mode in air-dried sample | weakly observed at 1736 cm-1 | — | — | Text Exact Reported | S2 · IR spectroscopy · Figure S1 |
| oxalate C=O stretching mode in air-dried sample | 1628 cm-1 | — | — | Text Exact Reported | S2 · IR spectroscopy · Figure S1 |