Zobrazeno 1 - 10
of 263
pro vyhledávání: '"Helgard G, Raubenheimer"'
Publikováno v:
Dalton Transactions. 50:17864-17878
This perspective highlights and evaluates recent key developments in the thermodynamic approach used to analyze trends in acid and base strength variation. According to this approach, acid and base strength ranking can be interpreted by using thermod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9be19ffb5988521e7d6a35cb3b8f8101
https://doi.org/10.1039/d1dt02940a
https://doi.org/10.1039/d1dt02940a
Publikováno v:
Angewandte Chemie. 132:14856-14881
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9ecad31e43d78ec2af54980632f94dc
https://doi.org/10.1002/ange.201916255
https://doi.org/10.1002/ange.201916255
Publikováno v:
Angewandte Chemie (International Ed. in English)
Excimers and exciplexes are defined as assemblies of atoms or molecules A/A′ where interatomic/intermolecular bonding appears only in excited states such as [A 2]* (for excimers) and [AA′]* (for exciplexes). Their formation has become widely know
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc1950ba999ba4b9ad62cbf1c2b5e0e4
http://europepmc.org/articles/PMC7496071
http://europepmc.org/articles/PMC7496071
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 10, Pp m1460-m1460 (2011)
The title compound, [WCl2(C9H10N2S2)(CO)3], is a heptacoordinate tungsten(II) complex with a capped–octahedral coordination sphere in which one CO ligand caps a face formed by a chloro ligand and the two other carbonyls. The chloro ligands are mutu
Externí odkaz:
https://doaj.org/article/52615c2c931e43a6a2bb905e943bf38f
Autor:
Tesfamariam K. Hagos, Stefan D. Nogai, Liliana Dobrzańska, Stephanie Cronje, Helgard G. Raubenheimer
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 8, Pp o2014-o2014 (2011)
The title compound, C30H16N4O4, reveals overline1 crystallographic and molecular symmetry and accordingly the asymmetric unit comprises one half-molecule. The dihedral angle between the planes of the two geminal benzoxazole rings is 74.39 (5)°. The
Externí odkaz:
https://doaj.org/article/91a13b8c80444125a439fd31a341f8d5
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 6, Pp m772-m772 (2011)
The acetonitrile ligand in the title compound, [W(CH3CN)(CO)5], is coordinated end-on to a pentacarbonyltungsten(0) fragment with a W—N bond length of 2.186 (4) Å, completing an octahedral coordination environment around the W atom.
Externí odkaz:
https://doaj.org/article/61b0b3ee9537498b8dea63fc698f955d
Publikováno v:
South African Journal of Science, Vol 107, Iss 3/4 (2011)
The ever-increasing role of homogeneous gold catalysis in organic synthesis and the consequent need to be able to rationally control the rate and outcome of such reactions has emphasised the importance of each successive metal–carbon coordination s
Externí odkaz:
https://doaj.org/article/222804b35e1e4e45a7908c499badf088
Autor:
Tesfamariam K. Hagos, Stefan D. Nogai, Liliana Dobrzańska, Stephanie Cronje, Helgard G. Raubenheimer
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 9, Pp o2378-o2378 (2010)
The asymmetric unit of the title solvate, C30H16N4S4·2CHCl3, contains one half-molecule of tetrakis(2-benzothiazolyl)ethene, the complete molecule being generated by inversion symmetry, and one molecule of chloroform. Pairs of the benzothiazole ring
Externí odkaz:
https://doaj.org/article/2acd9a2c0b0b4118b9241cdaae92904c
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 8, Pp m1026-m1026 (2010)
In the title compound, [Au(C4H12P2S2)2](CF3SO3), the gold(I) atom is tightly bonded to two S atoms belonging to different ligand molecules and forms two weaker contacts to the remaining S atoms. The coordination geometry around gold is intermediate b
Externí odkaz:
https://doaj.org/article/10ab9c77e04c4f49aae99083712a56a5
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 3, Pp m327-m327 (2010)
In the title compound, [Zn(C18H39N3O3)](NO3)2·H2O, the coordination geometry around the central ZnII atom is distorted octahedral. The hydroxyl groups in the macrocyclic ligand and water molecules are engaged in O—H...O hydrogen bonding, which for
Externí odkaz:
https://doaj.org/article/a3552f1991ae4c489ff5b88acca44b0a