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10 citations found for Turner, F.
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A new high-pressure single-crystal diffraction setup has been designed and implemented at the Australian Synchrotron for collecting molecular and protein crystal structures.
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An in situ single-crystal X-ray diffraction sapphire capillary pressure cell capable of generating 1500 bar (150 MPa) of pressure is presented and tested by comparing the compressibility of the small organic molecule hexamethylenetetramine in its hydrogenated and deuterated forms.
organic compounds
The structures of two compounds which are intermediates in the synthesis of phenanthroindolizidine alkaloids have been determined. (8bS,13aS,14R,14aR)-8b,9,11,12,13,13a,14,14a-Octahydro-14-hydroxy-2,3,6,7-tetramethoxydibenzo[f,h]pyrrolo[1,2-b]isoquinolin-11-one acetone solvate, C24H27NO6·C3H6O, (II), crystallizes in a chiral space group with one solvent molecule (acetone) present in the asymmetric unit. On the other hand, (8bS,13aS,14S,14aR)-8b,9,11,12,13,13a,14,14a-octahydro-14-hydroxy-2,3,6,7-tetramethoxydibenzo[f,h]pyrrolo[1,2-b]isoquinolin-11-one, C24H27NO6, (III), crystallizes in a centrosymmetric space group with two molecules in the asymmetric unit and with no solvent present. The two molecules in the asymmetric unit of (III) are structurally the same. Compounds (II) and (III) are epimers at the C atom carrying the OH group; otherwise they are very similar in structure.
metal-organic compounds
In the title compound, [K(C4H8O)][ZrCl2(C12H8N)3(C4H8O)], the Zr atom is pseudo-octahedral, with two Cl ligands in trans positions. There is extensive interaction between the potassium cation and two of the aromatic carbazolyl ligands in η6 [C
K = 3.167 (3)–3.331 (3) Å] and η2 [CK = 3.147 (3)–3.268 (2) Å] fashions.
K = 3.167 (3)–3.331 (3) Å] and η2 [CK = 3.147 (3)–3.268 (2) Å] fashions.metal-organic compounds
In the title compound, [ZrCl2(C14H12N)2(C4H8O)2]·1.5C6H6, the Zr atom is pseudo-octahedral, with two Cl atoms in trans positions and two tetrahydrofuran molecules in cis positions. The two 3,6-dimethylcarbazolyl ligands are in cis positions and are canted with respect to one another. The two Zr-N distances are 2.1148 (18) and 2.1236 (18) Å, and the N-Zr-N angle is 95.08 (7)°. The title compound crystallizes as the benzene solvate, with one of the benzene molecules positioned on an inversion center.
metal-organic compounds
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In the title compound, [Li(C4H8O)4][ZrCl2(C12H8N)3(C4H8O)], the environment of the Zr atom is pseudo-octahedral, with the three carbazolyl ligands in a mer configuration. The counter-ion of the zirconium complex is composed of an Li atom surrounded by four tetrahydrofuran (THF) molecules. The THF molecule attached to the Zr atom is disordered over two sites, as are two of the THF molecules in the lithium moiety. All bond distances and angles are consistent with those in complexes with similar structural entities. The Zr-N bond distances are 2.2185 (18) and 2.167 (3) Å.
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