Use the data in Table 8.3 to estimate the O–O stretching wavenumber expected for a compound believed to contain the oxygenyl species O₂⁺. Would you expect to observe this stretching vibration in 

(i) The IR spectrum or 

(ii) The Raman spectrum

Table 8.3

Transcribed Image Text:

TABLE 8.3 Characteristic fundamental stretching wavenumbers of some common molecular species as free molecules or ions, or coordinated to a metal centre Species OH NH CH BH CN- CO (terminal) CO (bridging) R,C=0 NO 0₂ 0² Si-O Metal-Cl Metal-metal bonds Range/cm-¹ 3400-3600 3200-3400 2900-3200 2600-2800 2000-2200 1900-2100 1800-1900 1600-1760 1675-1870 920-1120 800-900 900-1100 250-500 120-400