• Top library match: Sassafras oil #151435

• The library match to Sassafras oil is contradicted by the presence of strong amide I and thiocyanate bands, which are not expected in a simple essential oil; the nearest library hit is likely an artefact of overall spectral similarity rather than chemical identity.
• The precise composition cannot be determined; the mixture may contain proteins, inorganic oxides (silica, metal hydroxides), and thiocyanate, but the relative proportions and specific identity of each component remain unclear.
• The band at 764 cm‑1 is assigned to aromatic C–H bending with moderate confidence; alternative assignments such as methyl rocking (χ(CH₃OH)) cannot be entirely ruled out.
• The sample may be a multi-component waste product, biological residue, or degraded composite material; further separation or complementary analyses are required.

Recommended next steps: Perform solvent extraction or chromatographic separation followed by FTIR or GC‑MS to isolate the organic components and confirm the presence of protein and thiocyanate. Employ X‑ray diffraction (XRD) or X‑ray fluorescence (XRF) to identify the crystalline inorganic phases suggested by the bands at 472 and 3853 cm‑1. Use thermogravimetric analysis (TGA) to estimate the organic/inorganic ratio and to verify the loss of water/hydroxyl at characteristic temperatures. If the sample history is unknown, consider elemental analysis (CHNS) to quantify nitrogen (from amide/thiocyanate) and sulfur (from thiocyanate).