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(1) MIT: New insights on fusion power

David Chandler, MIT News Office
December 3, 2008

Research carried out at MIT's Alcator C-Mod fusion reactor may have brought the promise of fusion as a future power source a bit closer to reality, though scientists caution that a practical fusion powerplant is still decades away.

Adapted from - http://web.mit.edu/newsoffice/2008/fusion-results-tt1203.html


(2)Disappearing superconductivity reappears -- in 2-D

Scientists studying a material that appeared to lose its ability to carry current with no resistance say new measurements reveal that the material is indeed a superconductor -- but only in two dimensions. Equally surprising, this new form of 2-D superconductivity emerges at a higher temperature than ordinary 3-D superconductivity in other compositions of the same material.

Adapted from - http://www.bnl.gov/bnlweb/pubaf/pr/PR_display.asp?prID=865

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Showing posts with label Chemical Structure. Show all posts
Showing posts with label Chemical Structure. Show all posts

January 9, 2009

3D Coordinates for Chemical Structures



3D Coordinates for Chemical Structures

Chemistry Online Resources

Link - http://www2.ccc.uni-erlangen.de/services/index.html

"Obtain quality 3D coordinates for your own chemical structures from the CORINA progam."[1]
"Enter a structure as SMILES string and an identifier in the form below and press the Submit button (or just use "alanin" for demonstration). CORINA will generate 3D coordinates for the given structure. A new page will be generated showing the 3D molecular model if you have RASMOL, CHIME, or some similar program installed on your computer). "[2]

1.http://www2.ccc.uni-erlangen.de/services/index.html
2.http://www.molecular-networks.com/online_demos/corina_demo.html

Analytical Inorganic Organic Physical

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December 7, 2008

Crystal structure analysis


Crystal structure analysis

Chemistry online Resources

Internet Course: Structure Determination by Powder Diffractometry (SDPD), Universite du Maine, France. Learn how to determine a crystal structure from powder diffraction data with experts help

Link - http://sdpd.univ-lemans.fr/course/index.html

The SDPD (Structure Determination by Powder Diffractometry) Internet Course is accomplished in 10 sessions, exclusively on Internet and asynchronous. Students are expected to work at least 8 hours per week on the documents and exercises sent by e-mail. The diploma is attributed after a final examination consisting in the structure determination of an unknown compound in 2 weeks.

Various teaching material prepared by A. D. Hunter, A. D. Hunter. Includes a student friendly lab manual on using the SHELXTL (and to a lesser extent SHELX) package of single-crystal programs to solve routine crystal structures. Also available at http://www.as.ysu.edu/~adhunter/YSUSC/index.html

Link - http://www.as.ysu.edu/~adhunter/Teaching/Chem832/index.html

Practical Guide to Solving Single Crystal Structures, Manuel A. Fernandes. Guide to solving crystal structures using WinGX together with other well know crystallographic packages such as Platon and Mercury

Link - http://www.gh.wits.ac.za/manuel/solving-xtals/

"This webpage hosts a guide to solving crystal structures using WinGX together with other well know crystallographic packages such as Platon and Mercury. Currently Chapter 1 (describing the theory behind crystallography at a very basic level) is missing and will be added later. This was however covered in the lectures and can be found in any crystallography text book. In addition, a fifth chapter describing the structure solution of disordered structures still has be added"[1].
1.http://www.gh.wits.ac.za/manuel/solving-xtals/

Analytical Inorganic Organic Physical

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October 30, 2008

Online SMILES Translator and Structure File Generator

Online SMILES Translator and Structure File Generator

Chemistry online Resources

Link - http://cactus.nci.nih.gov/services/translate/

Analytical Inorganic Organic Physical

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This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data Program.


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