Middle C - 261.63 Hz, pure tone, fundamental 
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  Middle C - 261.63 Hz, complex tone, fund. + 4th & 5th partials 
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  Middle C - 261.63 Hz, complex tone, 4th & 5th partials 
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The pitch sensation for all 3 of these sounds should be that of middle C. Even though the last sound does not even contain the frequency associated with middle C (261.63 Hz) the sensation should still be that of middle C. The 4th partial (harmonic) is a sine wave at 4 x 261.63 Hz = 1,046.5 Hz. The 5th partial (harmonic) is a sine wave at 5 x 261.63 Hz = 1,308.2 Hz.