Text this: Ion-orbital coupling in Car-Parrinello calculations of hydrogen-bond vibrational dynamics: Case study with the NH3-HCl dimer

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