N  number of atoms         

48

3N-6                                

138

space group                     

P21  

molecules per cells          

2

number of cells              

125

Number  of hydrogen bond

10

a  ( Å)

7.982             

b  (Å)

21.562           

c  (Å)

4.824

Table 1: Crystallographical data used in e normal mode analyse.