Zobrazeno 61 - 70
of 1 103
pro vyhledávání: '"Thierry Roisnel"'
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 7, Pp i54-i54 (2012)
The vanadium oxide arsenate with formula K2V2O2(AsO4)2, dipotassium divanadium(IV) dioxide diarsenate, has been synthesized by solid-state reaction in an evacuated silica ampoule. Its structure is isotypic with K2V2O2(PO4)2. The framework is built up
Externí odkaz:
https://doaj.org/article/7b54730d39e54edb895d512be57a34c6
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1791-o1792 (2012)
The asymmetric unit of the title fluorosilicate salt, 2C9H12NO2+·SiF62−, consists of a phenylalaninium cation and half of a fluorosilicate anion, the Si atom being located on an inversion center. In the crystal, all of the F atoms act as hydrogen-
Externí odkaz:
https://doaj.org/article/73fc47b278eb4394a5c122908b9bd70f
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1601-o1602 (2012)
The asymmetric unit includes two crystallographically independent equivalents of the title salt, C6H7N2O2+·ClO4−. The cations and anions form separate layers alternating along the c axis, which are linked by N—H...O, O—H...O and C—H...O hydr
Externí odkaz:
https://doaj.org/article/9dc250caaf1646ba9aa81267ff547ba6
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1701-o1702 (2012)
In the title compound, C19H15ClN2O, the quinoline ring forms a dihedral angle of 43.24 (1)° with the benzene ring of the dihydroquinolinyl system. In the crystal, molecules are linked through a single weak C—H...O hydrogen bond, forming ribbons wh
Externí odkaz:
https://doaj.org/article/10e7748a87724861b1973a6911b4c8eb
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1714-o1715 (2012)
The asymmetric unit of the title compound, C5H6N3O2+·ClO4−·2C5H5N3O2·H2O, comprises two symmetry-independent zwitterions, one cation, one perchlorate anion and one water molecule. In the crystal, the three different types of organic entities are
Externí odkaz:
https://doaj.org/article/57414241013f4d6c90cf3b12a944688a
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 5, Pp o1391-o1391 (2012)
In the title salt, C5H7Br2N2+·Br−, the cation and anion are connected by an N—H...Br hydrogen bond. In the crystal, there are intercalated layers parallel to (10-2) in which bromide ions are located between the cations. Weak intermolecular C—H
Externí odkaz:
https://doaj.org/article/9807fd3c50634b809b2f0dbc9e111033
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 5, Pp o1548-o1548 (2012)
In the title compound, C11H10ClN3O, the quinoline ring system is essentially planar, the r.m.s. deviation for the non-H atoms being 0.014 (2) Å with a maximum deviation from the mean plane of 0.0206 (14) Å for the C atom bonded to the –CH—N=NH2
Externí odkaz:
https://doaj.org/article/164230e8cf344b3cac053441d5fe2f91
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 4, Pp o1116-o1116 (2012)
The two-dimensional crystal packing of the title compound, C3H5N4O2+·NO2−·H2O, results from the stacking of well separated layers (i.e. with nothing between the layers) parallel to the (-113) plane in which adjacent cations adopt a head-to-head a
Externí odkaz:
https://doaj.org/article/c0f70804c096429bab0d4f9fdf52bb44
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp i11-i11 (2012)
The crystal structure of mercurous iodide, Hg2I2, has been determined previously from X-ray powder diffraction data [Havighurst (1926). J. Am. Chem. Soc. 48, 2113–2125]. The results of the current redetermination based on single-crystal X-ray diffr
Externí odkaz:
https://doaj.org/article/754d0c67a8d644c59a9bca3df01278dd
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 8, Pp o2164-o2165 (2011)
The crystal structure of the title compound, C14H15N2O4+·Cl−, can be described as being composed of layers containing both cations and anions that are staggered along [010]. Two types of the hydrogen bonds are observed, viz. cation–anion and cat
Externí odkaz:
https://doaj.org/article/a66d6ea7e7914c4ead5014e126e63730