Results 251 to 260 of about 416,717 (294)

Organic NMR crystallography: enabling progress for applications to pharmaceuticals and plant cell walls.

Faraday Discuss
Rehman Z, Lubay J, Franks WT, Bartók AP, Corlett EK, Nguyen B, Scrivens G, Samas BM, Frericks-Schmidt H, Brown SP.   +9 more
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LED-induced Ru-photoredox Pd-catalyzed C-H arylation of (6-phenylpyridin-2-yl)pyrimidines and heteroaryl counterparts. [PDF]

RSC Adv
Antoniou IM, Ioannou N, Panagiotou N, Georgiades SN.   +3 more
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Femtosecond X-ray Diffraction on DIABN single crystals

15th International Conference on Ultrafast Phenomena, 2006
Structure sensitive methods like time-resolved X-ray diffraction and transient absorption in the mid-IR are combined with UV7VIS transient absorption spectroscopy to probe the charge transfer photo-reaction in single crystals of an aminobenzonitrile derivative.
Markus Braun, Christopher Root, Tobias E. Schrader, Peter Gilch, Wolfgang Zinth, Matias Bargheer, Clemens von Korff Schmising, Mareike Kiel, Nikolai Zhavoronkov, Michael Woerner, Thomas Elsaesser   +10 more
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Structure by single crystal X-ray diffraction

2023
Structure determination by X-ray diffraction is key to understand its function. In this chapter we have summarized the major developments in atomic structures of NCs solved by single crystal X-ray diffraction. Different techniques to grow single crystals and challenges to get good quality crystals are mentioned. We discussed various structural building
Bodiuzzaman, Mohammad, Pradeep, Thalappil   +1 more
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Single-Crystal X-Ray Diffraction

AM&P Technical Articles, 2020
Abstract This excerpt from ASM Handbook, Volume 10: Materials Characterization describes the technique used to determine crystal structure and the arrangement of atoms in a unit cell.
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Single Crystals of Transfer RNA: An X-Ray Diffraction Study

Science, 1968
Large single crystals of formylmethionyl transfer RNA have been prepared. An x-ray diffraction study shows that the material crystallizes in a hexagonal lattice with a equal to 170 angstroms, c equal to 234 angstroms. The diffraction pattern extends to spacings just under 20 angstroms at present. The crystals are heavily hydrated, containing 88 percent
S H, Kim, A, Rich
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A Low Temperature Single Crystal X-Ray Diffraction Technique

Review of Scientific Instruments, 1949
A low temperature x-ray diffraction technique, especially suitable to single crystal work, is described. Crystals are grown in glass capillaries on the x-ray camera. Position and orientation are determined with the aid of a polarizing microscope on the apparatus.
H S, KAUFMAN, I, FANKUCHEN
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γ-Alumina: a single-crystal X-ray diffraction study

Acta Crystallographica Section C Crystal Structure Communications, 2006
The structure of gamma-alumina (Al21+1/3square2+2/3O32) crystals obtained as a product of a corrosion reaction between beta-sialon and steel was refined in the space group Fd3m. The oxygen sublattice is fully occupied. The refined occupancy parameters are 0.83 (3), 0.818 (13), 0.066 (14) and 0.044 (18) for Al ions in 8a, 16d, 16c and 48f positions ...
Lubomír, Smrcok, Vratislav, Langer, Jan, Krestan   +2 more
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Single crystal X-ray diffraction of the quasi crystal Al6CuLi3

Solid State Communications, 1987
Results of a single crystal X-ray diffraction study of the quasi crystal Al6CuLi3 are presented. The positions of the reflections are accurately determined, and found to be in accordance with the icosahedral point group symmetry in very good approximation. The six reciprocal axes could uniquely be assigned, and a length of 0.4203 Å-1 is determined. The
van Smaalen, S., Bronsveld, P., de Boer, J. L.   +2 more
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A furnace for X-ray diffraction studies of single crystals

Journal of Physics E: Scientific Instruments, 1973
A miniature furnace suitable for the collection of single crystal x-ray diffraction data at temperatures between room temperature and about 200°C is described. The device was primarily designed for solid-state phase transformation investigations, but may be used for general diffraction studies. Commercially available goniometer heads require only minor
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