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 _____      ______    _____      ___     __   _   
|  __ \\   /_   _//  / ____||   / _ \\  | || | || 
| |  \ ||   -| ||-  / //---`'  / //\ \\ | '--' || 
| |__/ ||   _| ||_  \ \\___   |  ___  ||| .--. || 
|_____//   /_____//  \_____|| |_||  |_|||_|| |_|| 
 -----`    `-----`    `----`  `-`   `-` `-`  `-`

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Text this: The gas phase conformers and vibrational spectra of valine, leucine and isoleucine: An ab initio study