Acid-modified clinoptilolite as a support for palladium–copper complexes catalyzing carbon monoxide oxidation with air oxygen

Table 2 Wave numbers (cm⁻¹) of absorption band maximums in FT-IR spectra of N-CLI, H-CLIs, and Pd(II)–Cu(II)/H-CLIs

Sample	ν (OH)	δ (OH₂)	T-O-T (T = Si, Al)			Other bands
Sample	ν (OH)	δ (OH₂)	ν_as	ν_sym	δ	Other bands
N-CLI	3628 sh 3440	1633	1205 sh 1064	797, 778	464	1384, 604
0.25H-CLI	3624 sh 3453	1635	1205 sh 1063	797, 779	464	1399, 607
0.5H-CLI	3624 sh 3454	1635	1205 sh 1068	797, 778	459	1392, 607
1H-CLI	3622 sh 3456	1640	1208 sh 1072	798, 780	467	1531, 1384, 607
3H-CLI	3624 sh 3464	1639	1204 sh 1081	798, 780	467	1531, 1383, 608
Pd(II)–Cu(II)/0.25H-CLI	3621 sh 3446	1638	1209 sh 1064	797, 780	465	1399, 1316, 606
Pd(II)–Cu(II)/0.5H-CLI	3623 sh 3451	1634	1209 sh 1067	797, 780	464	1400, 606
Pd(II)–Cu(II)/1H-CLI	3620 sh 3446	1639	1208 sh 1072	798, 780	467	1537, 1384, 607
Pd(II)–Cu(II)/3H-CLI	3620 sh 3440	1638	1209 sh 1082	798, 780	467	1535, 1384, 607

ISSN: 2661-801X