摘要
The crystal structure of the deuterium(hydrogen) L-arginine phosphate monohydrate D(H)LAP has been determined by neutron diffraction technique.[( D2N)2CND (CH2)3CH (ND3)CO2]+·[D2PO4]1-·D2O,Mr=302.3,monoclinic space group P21,Z=2,α=10.843(3),b=7.913(2),c=7.321(2),β=97.99(3)°,V=622.0(3),Dc=1.602 g/cm3.All atoms were located by block diagonal matrix least-squares technique.A final Rf value of 0.048 was obtained for 1040 observed independent reflections.The crystal structure consists of alternate layers of phosphate groups and arginine molecules stacked along the axis a and held together by hydrogen bonds.
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