4121
This compound is most likely to crystallize in C2 / c space group , and the corresponding cell parameters are Z = 8 , a = 29 . 78 A , b = 6 . 42 A , c = 32 . 69 A , alpha = 90 . 00 degrees , beta = 151 . 05 degrees , gamma = 90 . 00 degrees and rho = 1 . 94 g / cm ( 3 ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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