首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >The crystal structures of two chalcones: (2E)-1-(5-chloro-thio-phen-2-yl)-3-(2-methyl-phen-yl)prop-2-en-1-one and (2E)-1-(anthracen-9-yl)-3-[4-(propan-2-yl)phen-yl]prop-2-en-1-one
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The crystal structures of two chalcones: (2E)-1-(5-chloro-thio-phen-2-yl)-3-(2-methyl-phen-yl)prop-2-en-1-one and (2E)-1-(anthracen-9-yl)-3-[4-(propan-2-yl)phen-yl]prop-2-en-1-one

机译:两个查耳酮的晶体结构:(2E)-1-(5-氯-硫代苯-2-基)-3-(2-甲基-苯基)丙-2-烯-1-酮和(2E )-1-(蒽-9-基)-3- [4-(丙烷-2-基)苯基] prop-2-en-1-one

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In the crystal of compound (I), C14H11ClOS, mol-ecules are linked by C—H?O hydrogen bonds to form simple C(5) chains. Compound (II), C26H22O, crystallizes with Z′ = 2 in space group P-1; one of the mol-ecules is fully ordered but the other is disordered over two sets of atomic sites having occupancies 0.644?(3) and 0.356?(3). The two disordered components differ from one another in the orientation of the isopropyl substituents, and both differ from the ordered mol-ecules in the arrangement of the central propenone spacer unit, so that the crystal of (II) contains three distinct conformers. The ordered and disordered conformers each form a C(8) chain built from a single type of C—H?O hydrogen bond but those formed by the disordered conformers differ from that formed by the ordered form.
机译:在化合物(I)的晶体C14H11ClOS中,mol-ecule通过CHOH氢键连接形成简单的C(5)链。化合物(II)C26H22O在空间群P-1中以Z'= 2结晶;一种分子是完全有序的,而另一种则是在两组具有0.644?(3)和0.356?(3)原子位置上无序的。两种无序组分在异丙基取代基的取向上彼此不同,并且在中央丙烯酮间隔单元的排列上均与有序分子不同,因此(II)的晶体包含三个不同的构象异构体。有序的和无序的构象异构体各自形成由单一类型的CH 2 H氢键构成的C(8)链,但是由无序的构象异构体形成的那些不同于由有序的构象形成的C(8)链。

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