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

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