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infracrvena spektroskopija

infracrvena spektroskopija

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IR - INFRACRVENA SPEKTROSKOPIJAHOOK-ov zakon mehaničkog harmonijskog oscilatora(za dvoatomni molekul):K -konstanta sile hemijske veze(veličina ina proporcionalna jačini veze)µ - redukovana masaIR - INFRACRVENA SPEKTROSKOPIJAFrekvencije vibracije hemijske veze direktno zavisi od jačineveze i mase atoma (veza jača a i K je veće):e):Κν max =CLC2150C=C1650C−C1200 cm -1ν maxPorast mase atoma, odnosno µ, izaziva opadanje ν maxµC-HC-CC-OC-ClClC-BrC-Iν max =300012001100800550500 cm -1ν max4

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