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Mr = 1476.77, monpclinic. The apace group is P21/n with the unit cell parameters: a = 13.250(3), b=17.296(4), c=23.223(9) A; β=92.41(3)°; Z=4; Dc=1.844 g.cm-3. The final R factor is 0.078 for 2054 reflections with
Mr = 1476.77, monpclinic. The apace group is P21 / n with the unit cell parameters: a = 13.250 (3), b = 17.296 (4), c = 23.223 (9) A; = 4; Dc = 1.844 g.cm-3. The final R factor is 0.078 for 2054 reflections with