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[ $C_{28}H_{41}N_4O_4Br\;{\cdot}\;2H_2O$ ]  

Kim Moon-Jib (Department of Physics, Soonchunhyang University)
Lee Jung-Ah (Department of Physics, Soonchunhyang University)
Jo Kyung-Jin (Department of Physics, Soonchunhyang University)
Choi Ki-Young (Department of Chemistry Education, Kongju University)
Abstract
The structure of C_{28}H_{41}N_4O_4Br\;{\cdot}\;2H_2O$ has been determined by X-ray deffraction methods. The crystal system is triclinic, space group Pl, unit cell constants, a=9.000(1) $\AA$, b=9.312(3) $\AA$, c=9.344(2) $\AA$, $\alpha=89.37(20)^{\circ},\;\beta=68.81(3)^{\circ},\;\gamma=84.70(4)^{\circ},\;V=726.7(8){\AA},\;T=298K,\;Z=1,\;D_c=1.402Mgm^{-3}$. The intensity data were collected on an Enraf-Nonius CAD4 Diffractometer with graphite monochromated $MoK\alpha$ radiation $(\lambda=0.71073\;{\AA}$. The molecular structure was solved by direct methods and refined by full-matrix least squares to a final $R=5.95\%$ for 2521 unique observed $F_0>4\sigma(F_0)$reflections and 370 parameters.
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