Výsledky vyhledávání - "H. G. Visser"

Akademický článek

Tetra-μ3-hydroxido-tetrakis[tricarbonylrhenium(I)] pyridine tetrasolvate

Autor: M. Schutte, A. Brink, H. G. Visser, A. Roodt

Publikováno v: Acta Crystallographica Section E, Vol 68, Iss 9, Pp m1208-m1209 (2012)

The title compound, [Re4(μ3-OH)4(CO)12]·4C5H5N, crystallizes with one tetranuclear rhenium(I) cubane-like molecule and four pyridine molecules in the asymmetric unit. The coordination environment of each ReI atom is distorted octahedral. Four intra

Externí odkaz: https://doaj.org/article/f1d29e6ac03f433d809c1d0b9b7cd9ca

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Akademický článek

2-(Ammoniomethyl)pyridinium sulfate monohydrate

Autor: A. Roodt, M. Schutte, H. G. Visser

Publikováno v: Acta Crystallographica Section E, Vol 68, Iss 3, Pp o914-o914 (2012)

In the crystal of the title hydrated molecular salt, C6H10N22+·SO42−·H2O, N—H...O and O—H...O hydrogen bonds link the molecules into layers parallel to the ab plane. C—H...O hydrogen bonds are observed both within these layers and between m

Externí odkaz: https://doaj.org/article/e688e4d4ca3746a59679bb8cbeb888d9

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Akademický článek

N-Benzylisatin

Autor: H. Braband, A. Roodt, M. Schutte, H. G. Visser

Publikováno v: Acta Crystallographica Section E, Vol 68, Iss 3, Pp o777-o777 (2012)

In the title compound, C15H11NO2, two C—H...O hydrogen bonds are observed in the crystal structure, as well as π–π stacking with a centroid–centroid distance of 3.623 (2) Å. The planarity of the two ring systems is illustrated by very small

Externí odkaz: https://doaj.org/article/f27e9ec6a8bb4a4e94bf52457ae2642f

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Akademický článek

Di-μ-iodido-bis[acetyl(4-methyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane)(N-nitroso-N-oxidoaniline-κ2O,O′)rhodium(III)]

Autor: H. G. Visser, W. Purcell, Johan A. Venter

Publikováno v: Acta Crystallographica Section E, Vol 65, Iss 12, Pp m1528-m1529 (2009)

The title compound, [Rh2(C6H5N2O2)2(C2H3O)2I2(C5H9O3P)2], contains a binuclear centrosymmetric RhIII dimer bridged by iodide anions, with respective Rh...Rh and I...I distances of 4.1437 (5) and 3.9144 (5) Å. The RhIII atom is in a distorted octahed

Externí odkaz: https://doaj.org/article/a9d1e497259a443e961231b9a3cfff47

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Akademický článek

Carbonyl(N-nitroso-N-oxido-1-naphtylamine-κ2O,O′)(triphenylphosphine-κP)rhodium(I) acetone solvate

Autor: T. J. Muller, H. G. Visser, W. Purcell, Johan A. Venter

Publikováno v: Acta Crystallographica Section E, Vol 65, Iss 12, Pp m1578-m1578 (2009)

The title compound, [Rh(C10H7N2O2)(C18H15P)(CO)]·(CH3)2CO, is the second structural report of a metal complex formed with the O,O′-C10H7N2O2 (neocupferrate) ligand. In the crystal structure, the metal centre is surrounded by one carbonyl ligand, o

Externí odkaz: https://doaj.org/article/3321f9b9e3034976838c969ff6bfeb3d

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Akademický článek

Optimal Airport Surface Traffic Planning Using Mixed-Integer Linear Programming

Autor: P. C. Roling, H. G. Visser

Publikováno v: International Journal of Aerospace Engineering, Vol 2008 (2008)

We describe an ongoing research effort pertaining to the development of a surface traffic automation system that will help controllers to better coordinate surface traffic movements related to arrival and departure traffic. More specifically, we desc

Externí odkaz: https://doaj.org/article/69884dbdc1414bfaa2f27876245f99bd

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Using visible light to activate antiviral and antimicrobial properties of TiO2 nanoparticles in paints and coatings: focus on new developments for frequent-touch surfaces in hospitals

Autor: M. Schutte-Smith, E. Erasmus, R. Mogale, N. Marogoa, A. Jayiya, H. G. Visser

Publikováno v: Journal of Coatings Technology and Research. 20:789-817

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6560830ba99e3857d27510bb3ad49ad9
https://doi.org/10.1007/s11998-022-00733-8

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Optimized Multi-Event Simultaneous Departure Routes for Major Hub Airport

Autor: Zhang Song, Cong Wei, Hou Mingshan, H. G. Visser

Publikováno v: International Journal of Modeling and Optimization. 4:482-488

This study focuses on developing a multi-event simultaneous departure routing for the Amsterdam Airport Schiphol. The aircraft ground tracks are shaped by rational Bezier curve, and the trajectory optimization problem is reduced to a constrained para

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23d54d0f1cda356959823726c9b2d798
https://doi.org/10.7763/ijmo.2014.v4.421

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Dipotassium diaqua-bis(methyl-enedi-phospho-nato-κO,O')cobaltate(II)

Autor: H G, Visser, J A, Venter, K A, Van der Merwe

Publikováno v: Acta Crystallographica Section E: Structure Reports

In the title complex, K(2)[Co(CH(4)O(6)P(2))(2)(H(2)O)(2)], the asymmetric unit contains two K(+) cations and two half-anions in which the Co atoms lie on inversion centers. The Co(II) ions assume an octa-hedral CoO(6) coordination geometry. In the c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e03b8b01808872b11f213e54f2417fdd
https://pubmed.ncbi.nlm.nih.gov/21579634

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Di-μ-iodido-bis-[acet-yl(4-methyl-2,6,7-trioxa-1-phosphabicyclo-[2.2.2]octa-ne)(N-nitroso-N-oxidoaniline-κO,O')rhodium(III)]

Autor: Johan A, Venter, W, Purcell, H G, Visser

Publikováno v: Acta Crystallographica Section E: Structure Reports

The title compound, [Rh(2)(C(6)H(5)N(2)O(2))(2)(C(2)H(3)O)(2)I(2)(C(5)H(9)O(3)P)(2)], contains a binuclear centrosymmetric Rh(III) dimer bridged by iodide anions, with respective Rh⋯Rh and I⋯I distances of 4.1437 (5) and 3.9144 (5) Å. The Rh(III

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e6bb7d432b444e36417aa5e073289f8c
https://pubmed.ncbi.nlm.nih.gov/21578572

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