Zobrazeno 1 - 10
of 621
pro vyhledávání: '"Edwin Weber"'
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 6, Pp 834-837 (2019)
In the title 1:1 co-crystal, [Cu(C24H24N8O6)]·C11H11N3O4, each of the crystal components forms undulating layers which stack alternately along the b-axis direction. Molecules of the CuII complex are connected via C—H...O hydrogen bonds involving t
Externí odkaz:
https://doaj.org/article/ca235adffa9a44cbba67005addea6c51
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 6, Pp 751-754 (2019)
The diphenylethyne unit of the title molecule, C24H24N2O6, deviates slightly from planarity. The l-alanine moieties adopt distorted helical conformations of opposite winding direction. Infinite ribbons of N—H...O=C-connected molecules represent the
Externí odkaz:
https://doaj.org/article/8fed8860c6704d4da237ac939e13608e
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 8, Pp 1093-1096 (2018)
In dimethyl 5-iodoisophthalate, C10H9IO4, (I), the planes through the methyl carboxylate moieties are tilted with respect to the benzene ring, whereas the molecular framework of dimethyl 5-ethynylisophthalate, C12H10O4, (II), is perfectly planar. The
Externí odkaz:
https://doaj.org/article/76025b6bf102442194cae53a80157b04
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 10, Pp 1370-1373 (2016)
In the title compounds, C10H8O2, (I), and C13H14O3, (II), the 2-acetyl-4-ethynylphenol unit displays a planar geometry, which is stabilized by an intramolecular O—H...O hydrogen bond. The crystal structure of (I) is constructed of infinite strands,
Externí odkaz:
https://doaj.org/article/e88ebb66a113409c87efa187ff9f9ef9
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 10, Pp 1560-1562 (2017)
The crystal structure of the title compound, C9H6OS2, represents a new polymorph. The crystal structure was solved in the orthorhombic space group Pbcn with one half of the molecule in the asymmetric unit. The thiophene rings are perfectly planar and
Externí odkaz:
https://doaj.org/article/7484823127b8440da08b2b2c8158a5d4
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 12, Pp 1439-1443 (2015)
In the title solvate, C44H26Cl4O2·3C6H15N, the asymmetric part of the unit cell comprises two halves of the diol molecules, 2,2′′-bis(2,7-dichloro-9-hydroxy-9H-fluoren-9-yl)-1,1′:4′,1′′-terphenyl, and three molecules of triethylamine, i.
Externí odkaz:
https://doaj.org/article/5a917e533b9f4037bd3996f434078abc
Publikováno v:
IUCrData, Vol 3, Iss 9, p x181344 (2018)
The title compound, C11H11N3O4, crystallizes with three independent but conformationally similar molecules in the asymmetric unit. The plane through the pentane-2,4-dione moiety of the molecule is inclined at angles of 10.1 (1), 10.6 (1) and 17.4 (1)
Externí odkaz:
https://doaj.org/article/a5494eed46dc4659b3dedf08d6b28ad3
Publikováno v:
IUCrData, Vol 3, Iss 4, p x180415 (2018)
In the title compound, C17H16O, the phenyl rings are twisted relative to each other at an angle of 85.9 (1)°. The crystal structure features weak C—H...π interactions, which connect the molecules into a three-dimensional supramolecular network.
Externí odkaz:
https://doaj.org/article/58d1ecb0d69949b3a6551645eb99d624
Publikováno v:
IUCrData, Vol 3, Iss 4, p x180416 (2018)
The crystal structure of the title compound, C28H20Br2O, was solved in the orthorhombic space group P212121 with one molecule in the asymmetric unit. The phenyl rings are nearly planar and inclined at angles of 67.7 (1), 68.8 (1), 79.3 (1) and 62.3 (
Externí odkaz:
https://doaj.org/article/88c6a25cfe9f44f7907492cf87db3f59
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 1, Pp 97-99 (2015)
In the title compound, C14H12Br4N2, the molecule lies across an inversion center and hence the benzene rings are strictly coplanar. In the crystal, molecules are linked by N—H...N and weak N—H...Br hydrogen bonds, forming a two-dimensional networ
Externí odkaz:
https://doaj.org/article/4f6b74ada72746ba85bbdfe4b42e5a9a