From: Effects of sticky rice addition on the properties of lime-tile dust mortars
 | Wavenumber (cm−1) | Band assignment |
---|---|---|
Calcite |  ~ 2513 | ν1 (CO32− symmetric stretching) + ν3 (CO32− asymmetric stretching) and/or 2ν2 (O-C-O out-of-plane bending) + ν4 (C-O in-plane bending) [47] |
 ~ 1791 | ||
 ~ 1422 | ν3 [48] | |
 ~ 878 | ν2 [48] | |
 ~ 709 | ν4 [48] | |
Tile dust |  ~ 1079 | |
 ~ 796 and 775 | ||
 ~ 694 | Si–O symmetric bending [50] | |
 ~ 648 | Tetrahedral ring vibration [52] | |
 ~ 467 | ||
Sticky rice |  ~ 3700–3000 | O–H stretching of carboxylic acids and polysaccharides [53,54,55] |
 ~ 2929 | Aliphatic C-H stretching in CH2 and CH3 groups of carboxylic acids and esters in polysaccharides [53,54,55] | |
 ~ 1652 | Asymmetric -COO stretching [55] C = O symmetric stretching (amide I) [53, 54] Water molecules absorbed in the amorphous region [56] | |
 ~ 1533 | N–H in-plane bending vibration strongly coupled to C-N stretching vibration of protein (amide II) [53, 57] | |
 ~ 1457 | CH2 group scissoring modes [53] | |
 ~ 1419 | ||
 ~ 1371 | CH deformation or CH2 vibration [59] | |
 ~ 1338 | −CCH and −OCH coupled bend CH2 rocking vibration [59] | |
 ~ 1241 | CH2OH (side chain) related mode [59] | |
 ~ 1155 | Vibrations of the glucosidic C–O–C bond and the whole glucose ring [58] | |
 ~ 1082 | C–O–H bend vibration [59] Crystalline regions of starch [58] | |
 ~ 1019 | Amorphous regions of starch [58] | |
 ~ 928 | Skeletal mode vibrations of α(1 → 4) skeletal glycosidic linkage [58, 59] | |
 ~ 861 | C(1)H, CH2 deformation vibration [59] | |
 ~ 764 | C–C stretch [60] | |
 ~ 709 | Skeletal modes [59] | |
 ~ 577 | Skeletal modes of the pyranose ring [58] |