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首页> 外文期刊>Journal of chemical crystallography >Crystal structures of two thienyl analogs of benzil-1,2-dithien-2-ylethanedione (2,2 '-thenil) and 1,2-dithien-3-ylethanedione (3,3 '-thenil)
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Crystal structures of two thienyl analogs of benzil-1,2-dithien-2-ylethanedione (2,2 '-thenil) and 1,2-dithien-3-ylethanedione (3,3 '-thenil)

机译:苄基1,2-二噻吩-2-基乙二酮(2,2'-thenil)和1,2-二噻吩-3-基乙二酮(3,3'-thenil)的两个噻吩基类似物的晶体结构

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2,2'-Thenil crystallizes in P2(1)/c with a = 7.2501(12) Angstrom, b = 4.7846(8) Angstrom, c = 13.9867(23) Angstrom, beta = 96.897(3)degrees, V = 481.67(14) Angstrom(3), and Z = 2. The molecule resides on an inversion center and is planar. 3,3'-Thenil also crystallizes in P2(1)/c with a = 3,9904(8) Angstrom, b = 21.310(4) Angstrom, c = 11.618(2) Angstrom, beta = 101.83(3)degrees, V = 966.9(3) Angstrom(3), and Z = 4. Refinement of 3,3'-thenil data indicated that 10.3(2)% of both thienyl rings are flip-disordered in this nonplanar molecule. A brief discussion of disorder in molecules containing terminal, unsubstituted 2- and 3-thienyl rings is presented. [References: 26]
机译:2,2'-Thenil在P2(1)/ c中结晶,a = 7.2501(12)埃,b = 4.7846(8)埃,c = 13.9867(23)埃,beta = 96.897(3)度,V = 481.67 (14)埃(3),Z =2。该分子位于反演中心,并且是平面。 3,3'-Thenil也以a = 3,9904(8)埃,b = 21.310(4)埃,c = 11.618(2)埃,β= 101.83(3)度在P2(1)/ c中结晶。 V = 966.9(3)埃(3),Z =4。3,3'-thenil数据的细化表明,两个噻吩基环的10.3(2)%在该非平面分子中翻转无序。简要讨论了含有末端未取代的2-和3-噻吩基环的分子中的无序现象。 [参考:26]

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