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

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