Zobrazeno 1 - 10
of 345
pro vyhledávání: '"Richard A. Varga"'
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp o310-o311 (2012)
The title compound, C21H17ClO3, which crystallizes as one of two possible oxo/hydroxy-fulvene prototropic tautomers, possesses a strong intramolecular O—H...O hydrogen bond that closes a seven-membered ring. The dihedral angles between the central
Externí odkaz:
https://doaj.org/article/6efb162110a64a4694a3182221bd9bea
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 4, Pp m486-m486 (2011)
The structure of the title compound, [Sn2Cl4(C2H6OS)4], contains dimers formed through weak Sn...Cl [3.691 (2) Å] interactions, resulting in a planar Sn2Cl2 core with an inversion center at the centre of the four-membered ring. The SnII atoms are pe
Externí odkaz:
https://doaj.org/article/3e5771a798294fc4a126247ea6f075a4
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 2, Pp o411-o411 (2011)
The title compound [systematic name: N,N-diethyl({[(diethylcarbamothioyl)sulfanyl]selanyl}sulfanyl)carbothioamide], C10H20N2S4Se, crystallizes in a new form in the space group Pca21: the previously reported polymorph crystallizes in the space group P
Externí odkaz:
https://doaj.org/article/1737a5c482864e83a0c70c087ab1802b
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 1, Pp m56-m56 (2011)
The title compound, [Sn(C4H9)(C13H21N)Cl3]·CH2Cl2, was obtained by recrystallization of [2-(diisopropylaminomethyl)phenyl]tin(IV) butyl dichloride from a CH2Cl2/n-hexane mixture (1:4 v/v) in the presence of ambient moisture. Partial hydrolysis led t
Externí odkaz:
https://doaj.org/article/f9c01ffcba1d47aa9338db205b12dae4
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 10, Pp o2638-o2638 (2010)
In the crystal, essentially planar (r.m.s. deviation = 0.003 Å) molecules of the title compound, C7HCl2N3, form chains along the b axis by means of C—H...N interactions. These chains are further linked into layers parallel to the ab plane by C—C
Externí odkaz:
https://doaj.org/article/ac2971d5b24a428786b7b65b9c92d700
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 10, Pp o2618-o2618 (2010)
The molecule of the title compound, C13H24S4, has C2 symmetry and it crystallizes as a racemate. The structure displays two six-membered rings exhibiting chair conformations, with the isopropyl substituents in equatorial positions. In the crystal str
Externí odkaz:
https://doaj.org/article/9b0e0e9012824d7db32cf5b776936052
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 4, Pp o771-o771 (2010)
In the title hydrated molecular salt, C12H19N2Se+·Br−·H2O, the two independent bromide anions lie on a twofold rotation axis. Strong intramolecular N→Se interactions [2.185 (3) and 2.181 (3) Å] are established by both N atoms of the organic gr
Externí odkaz:
https://doaj.org/article/1098669f6e434fb9bcc5f58e20395216
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 12, Pp o3158-o3159 (2009)
The title compound, C28H33N2O2P, contains a pentacoordinated P atom as a result of the weak N→P intramolecular interactions, with three C atoms, two N atoms and the lone pair arranged in a dicapped pseudo-tetrahedral geometry. The morpholine rings
Externí odkaz:
https://doaj.org/article/4b96772212f04099a1aec3cf21868387
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 1, Pp m39-m39 (2009)
The structure of the title compound, [Sn2Br1.97Cl4.03(OH)2(H2O)2]·2C3H6O, contains two hexacoordinated Sn atoms bridged symmetrically by two hydroxide groups, with an inversion center in the middle of the planar Sn2O2 ring, half of the molecule bein
Externí odkaz:
https://doaj.org/article/614808e406bd4d1f8ba276cd78fb48ea
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 8, Pp o1585-o1585 (2008)
The ions of the title chloroform-solvated salt, C11H17N2+·Cl−·CHCl3, are linked by a strong N—H...Cl hydrogen bond; the solvent molecule also interacts with the chloride ion through a C—H...Cl hydrogen bond. Additionally, neighboring cations
Externí odkaz:
https://doaj.org/article/eb9efbc1f7b547f8848bee0af7c47457