2-Azaniumylcarba-closo-dodecaborate ethanol monosolvate
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چکیده
منابع مشابه
2-Azaniumylcarba-closo-dodecaborate ethanol monosolvate
Two formula units of the title compound, 2-H(3)N-closo-1-CB(11)H(11)·CH(3)CH(2)OH or CH(14)B(11)N·C(2)H(5)OH, form a ring motif of R(4) (2)(8) type in the solid state that surrounds a crystallographic center of symmetry. The ring motif is a result of N-H⋯O hydrogen bonds. In contrast to many structures of {closo-1-CB(11)} clusters, the assignment of the position of the cluster C atom in the str...
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The oxidation of closo-heteroborates [GeB11H11](2-) and [SnB11H11](2-) is presented. Upon oxidation germa-closo-dodecaborate yields a symmetrical dimer exhibiting a Ge-Ge bond between two clusters. This dimer shows sulphur insertion into the Ge-Ge bond at room temperature. In contrast, oxidation of the homologous tin cluster results in an unsymmetrical dimer bearing an Sn-B bond between two clu...
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In the title compound, 2C(12)H(24)N(+)·C(6)H(6)O(7) (2-)·C(2)H(6)O, the cyclo-hexane rings of the cations adopt chair conformations. In the anion, intra-molecular O-H⋯O hydrogen bonds occur. In the crystal, the cations link with the anions via N-H⋯O hydrogen bonds. Weak C-H⋯O hydrogen bonds are also observed. The hy-droxy group of the ethanol solvent mol-ecule is disordered over two sets of sit...
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CRYSTALS OF THE TITLE COMPOUND (SYSTEMATIC NAME: 3β-hy-droxy-olean-12-en-28-oic acid ethanol monosolvate), C(30)H(48)O(3)·C(2)H(5)OH, were obtained from unsuccessful co-crystallization trials. The asymmetric unit contains two symmetry-independent oleanolic acid mol-ecules, as well as two ethanol solvent mol-ecules. Inter-molecular O-H⋯O hydrogen bonds stabilize the crystal packing. In the olean...
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The title compound, C19H20N2O·C2H5OH, is an ethanol solvate of an indol alkaloid which was extracted from the plant Vinca erecta. The fused piperidine ring adopts an approximate boat conformation and the pyrrolidine ring an envelope conformation with one of the methyl-ene C atoms at the flap. An intra-molecular N-H⋯O hydrogen bond forms an S6 ring motif. In the crystal, norfulorocurarine and et...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2011
ISSN: 1600-5368
DOI: 10.1107/s1600536811006222