Results 21 to 30 of about 605,322 (321)

A Second Crystal Polymorph of Anilinium Picrate [PDF]

, 2004
The crystal structure of a second monoclinic polymorph of anilinium picrate shows a three-dimensional hydrogen-bonded polymer with strong primary interspecies interactions involving the proximal phenolate and adjacent nitro group O-atom acceptors and ...
Healy, Peter, Smith, Graham, Wermuth, Urs   +2 more
core   +2 more sources

Bis{2-[bis(2-hydroxyethyl)amino]acetato-κ3O,N,O′}zinc(II)

Acta Crystallographica Section E, 2010
In the crystal structure of the zinc(II) complex of bicine, [Zn(C6H12NO4)2], the deprotonated amino acid O,N,O′-chelates to the metal atom through a carboxylate O atom, a hydroxy O atom and the N atom, the three atoms occupying fac positions of
Kong Mun Lo, Seik Weng Ng
doaj   +1 more source

Ground-state structure of the hydrogen double vacancy on Pd(111)

, 2007
We determine the ground-state structure of a double vacancy in a hydrogen monolayer on the Pd(111) surface. We represent the double vacancy as a triple vacancy containing one additional hydrogen atom.
C. Kittel, Ira N. Levine, S. C. Erwin, Seong-Gon Kim, Sungho Kim   +4 more
core   +1 more source

2-{[(Pyrazin-2-yl)amino]methyl}phenol

Acta Crystallographica Section E, 2012
The two aromatic rings of the title compound, C11H11N3O, are nearly perpendicular to one another, with a dihedral angle between their planes of 80.52 (18)°.
Shan Gao, Seik Weng Ng
doaj   +1 more source

First principle study of hydrogen behavior in hexagonal tungsten carbide

, 2010
Understanding the behavior of hydrogen in hexagonal tungsten carbide (WC) is of particular interest for fusion reactor design due to the presence of WC in the divertor of fusion reactors.
Chen, Jun-Ling, Fang, Q. F., Kong, Xiang-Shan, Liu, C. S., Luo, G. -N., You, Yu-Wei   +5 more
core   +1 more source

Classical approach in quantum physics [PDF]

, 2010
The application of a classical approach to various quantum problems - the secular perturbation approach to quantization of a hydrogen atom in external fields and a helium atom, the adiabatic switching method for calculation of a semiclassical spectrum of
A. Einstein, A.J. Dixon, D. Cabib, D. Richards, D. Wintgen, D. Wintgen, D.R. Herrick, D.S. Walton, D.W. Noid, E. A. Solov’ev, E. Fermi, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, E.A. Solov’ev, G. Ivanovski, G. Ivanovski, G. Tanner, H. Marxer, H.J. Silverstone, I.C. Percival, J. Neumann, K. Richter, L.H. Andersen, L.P. Gor’kov, M. Born, M.B. Shah, M.C. Gutzwiller, M.J. Raković, M.L. Du, M.L. Zimmerman, N.I. Afanas’eva, P. Ehrenfest, P.S. Epstein, R. Abrines, R.P. Feynman, T.P. Grozdanov, T.P. Grozdanov, T.P. Grozdanov, T.P. Grozdanov, V.N. Ostrovsky, V.V. Kolosov, W. Glab, W. Pauli, Yu.N. Demkov   +52 more
core   +1 more source

Tris(2-benzamidoethyl)ammonium tetrafluoroborate

Acta Crystallographica Section E, 2010
In the title compound, C27H31N4O3+·BF4−, the central N atom is protonated. The three arms form a pocket and one amidic O atom accepts an intermolecular hydrogen bond with the protonated amine. The tetrafluoroborate anion is outside the
Marcy L. Pilate, Henry Blount, Frank R. Fronczek, Md. Alamgir Hossain   +3 more
doaj   +1 more source

Imaging the dynamics of individual hydrogen atom intercalated between two graphene sheets

, 2017
The interlayer gallery between two adjacent sheets of van der Waals materials is expected to modify properties of atoms and molecules confined at the atomic interfaces.
Feng, Ji, He, Lin, Li, Si-Yu, Li, Xinqi, Wang, Wen-Xiao, Wei, Yi-Wen, Wu, Xiaosong   +6 more
core   +1 more source

rac-N-[Hydroxy(4-pyridyl)methyl]picolinamide: a hemiamidal

Acta Crystallographica Section E, 2010
The title compound, C12H11N3O2, a hemiamidal, was synthesized by solvent-free aldol condensation at room temperature by grinding picolinamide with isonicotinaldehyde in a 1:1 molar ratio.
Muhammad Altaf, Helen Stoeckli-Evans
doaj   +1 more source

3-(4-Chlorophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazole-1-carbothioamide

Acta Crystallographica Section E, 2013
In the title compound, C16H13ClFN3S, the pyrazole ring adopts an envelope conformation with the methine C atom being the flap atom. The chloro- and fluorobenzene rings are twisted out of the plane of the pyrazole ring [dihedral angles = 15.12 (11 ...
Edward R. T. Tiekink, Seik Weng Ng, Hanan A. Mohamed, Bakr F. Abdel-Wahab   +3 more
doaj   +1 more source