Text this: Structural Variation and Preference in Lanthanide-pyridine-2,6-dicarboxylate Coordination Polymers

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