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中文摘要：
标题化合物C21H15N3是由苯甲醛、2-乙酰基吡啶和醋酸铵在水相中经微波辐射反应而得，反应在24min内完成．结构通过单晶x射线衍射法测定，其晶体属正交晶系，空间群Pbcn，a=1．227（4），b=1．197（4），c=1．110（3）nm，V=1．630（9）nm^3，Mr=309．36，Z=4，Dc=1．260g／cm^3，λ=0．071073nm，,μ（MoKa）=O．076mm^-1，F（000）=648，R=0．0398，Rω=0．0928．
英文摘要：
The title compound （C21 H15 N3 ） was synthesized by the one-pot reaction of benzaldehyde, 2-acetylpyridine and ammonium acetate under microwave irradiation without catalyst and its crystal structure was determined by single-crystal X-ray diffraction. The crystal is of orthorhombic, space group Pbcn with a=1. 227（4）, b=1. 197（4）, c=1. 110（3） nm, V=1. 630（9） nm^3, Mr= 309.36, Z=4, Dc=1. 260 g/cm^3, λ=0.071 073 nm, μ（Mo Ko）=0.076 mm^-1, F（000）=648, R= 0. 039 8, Rω=0. 092 8.
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