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

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Text this: Anharmonic coupling between fundamental modes in tetramethylurea