The preparation method of [Na ( DB18C6) (CH_3OH )]_2Mo_6O_(19)·(DB18C6)·(CH_3OH) , where DB18C6 is dibenzo-18-crown-6, is described. Thecrystal and molecular structure of the title complex has been determine...The preparation method of [Na ( DB18C6) (CH_3OH )]_2Mo_6O_(19)·(DB18C6)·(CH_3OH) , where DB18C6 is dibenzo-18-crown-6, is described. Thecrystal and molecular structure of the title complex has been determined crystallographically. The title complex crystallizes in the monoclinic system,space group P2_1/c ,a=18. 727(6) ,b=19. 555(6) , c=22. 827(7) ,β=112. 84(3)°, V=7704(4) ￣3 ,M_r = 2102. 9 , Z = 4 , F (000 ) = 4224 , μ= 1 . 028 mm ￣(-1), D_c = 1.813 g/cm￣3 . final R =0. 075 and R_w= 0. 078 based on 4463 observed reflections with F>6. 0σ(F) . The complex consists of [Mo_6O_(19)]￣(2-) ,[Na(DB18C6)]￣+ and CH_3OH, which are linked by long distance interaction through O-Na-O bond.展开更多
文摘The preparation method of [Na ( DB18C6) (CH_3OH )]_2Mo_6O_(19)·(DB18C6)·(CH_3OH) , where DB18C6 is dibenzo-18-crown-6, is described. Thecrystal and molecular structure of the title complex has been determined crystallographically. The title complex crystallizes in the monoclinic system,space group P2_1/c ,a=18. 727(6) ,b=19. 555(6) , c=22. 827(7) ,β=112. 84(3)°, V=7704(4) ￣3 ,M_r = 2102. 9 , Z = 4 , F (000 ) = 4224 , μ= 1 . 028 mm ￣(-1), D_c = 1.813 g/cm￣3 . final R =0. 075 and R_w= 0. 078 based on 4463 observed reflections with F>6. 0σ(F) . The complex consists of [Mo_6O_(19)]￣(2-) ,[Na(DB18C6)]￣+ and CH_3OH, which are linked by long distance interaction through O-Na-O bond.
