14049
A new program , PHI , with the ability to calculate the magnetic properties of large spin systems and complex orbitally degenerate systems , such as clusters of d - block and f - block ions , is presented .
 Chemical: d - block; Chemical: f - block
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: d - block; Chemical: f - block