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August 2024 issue
Early view articles
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research communications
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The title compound, {[Cd(3-apz2)]I2}n consists of a Cd2+ cation, iodine anions balancing the charge and bridging 3-aminopyrazole (3-apz) molecules. The Cd2+ cations are coordinated by two iodine anions and two apz ligands, generating trans-CdN4I2 octahedra, and are linked into chains by pairs of the bridging ligand. In the crystal structure, the apz ligands and iodide anions of neighboring chains are linked through interchain hydrogen bonding into a two-dimensional supramolecular network.
CCDC reference: 2366763
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The complex 2-[(4-phenyl-1H-1,2,3-triazol-1-yl)methyl]pyridin-1-ium hexakis(nitrato-O,O′)thorate was synthesized from layered solutions of Th(NO3)4·5H2O and 2-[(4-phenyl-1H-1,2,3-triazol-1-yl)methyl]pyridine (L).
CCDC reference: 2366367
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Redetermination of the crystal structure of BiF5 was undertaken to a much higher precision and quantum chemical calculations for an assignment of the Raman and IR bands.
CCDC reference: 2362790
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The structures of the four thioglycosides, all Z-configured across the C=N(CN) moiety, differ in many important torsion angles. The C—N bond lengths at the central carbon atom of the carbamimidothioate group are almost equal. Three of the four structures form layers by hydrogen bonding.
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The asymmetric unit of the title compound consists of two independent ion pairs of 4-(dimethylamino)pyridin-1-ium quinolin-8-ol-5-sulfonate (HDMAP+·HqSA−) and neutral N,N-dimethylpyridin-4-amine (DMAP), forming a 1:1:1 cation:anion:neutral molecule co-crystal. The compound has a layered structure, including cation layers of HDMAP+ with DMAP and anion layers of HqSA− in the crystal. The cation and anion layers are linked by intermolecular C—H⋯O hydrogen bonds and C—H⋯π interactions.
CCDC reference: 2366836
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The crystal structures of two 1H-indole derivatives are described and the intermolecular contacts in the crystals are assessed and analysed using Hirshfeld surface analysis and two-dimensional fingerprint plots.
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In [UO2L(CH3OH)]n, the acetate group of the 1,2,4-triazol-based ligand bridges two uranyl cations, forming a neutral zigzag chain. A solid-state LMCT transition at 463 nm is responsible for the light-red colour of the compound.
CCDC reference: 2368205
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X-ray analysis and structure determination of fluorolactonization products from the reaction of oleanolic acid with SelectfluorTM are reported.
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Molecules of the aryl diester, 2-methyl-1,4-phenylene bis(3,5-dibromobenzoate), crystallized out from the melt (m.p. = 502 K/DSC). The crystal structure consists of a C—H⋯Br hydrogen-bonded network and weaker, offset π–π interactions.
CCDC reference: 2363671