2015-04-02: Dinner Meeting featuring Prof. Karl Christe, USC

Karl Christie photo KarlChriste.jpg

Section Dinner Meeting
Thursday, April 2, 2015

Los Angeles Trade Technical College
Dinner in Aspen Hall TE 101 and Talk in Aspen Hall TE 111

400 West Washington Blvd.
Los Angeles, CA 90015

“Fifty years of Iodine Research”
Karl O. Christe
Loker Research Institute and Department of Chemistry, University of Southern California, Los Angeles

Check-in: 6:00 p.m.
Dinner: 7:00 p.m.
Presentation: 8:00 p.m.

Abstract: A review will be given of our research in the field of iodine chemistry including the following topics. Using IF5 as a solvent for halogen fluoride ions, the IF6+, IF6-, I2F11- and I3F16- ions were synthesized and characterized. Subsequently, the IF2-, IF4-, IF4+, and IF4O- ions were prepared. The most interesting species was the IF52- anion which has an unprecedented pentagonal-planar structure. The long-standing problems of the fluxionality of IF7 and the steric activity of the free valence electron pair in the halogen hexafluoride anions were solved. At the limits of coordination and oxidation, the IF5O2-, IF5O22- and IF6O-, the first examples of pentagonal-bipyramidal AX5E2, AX5EO, AX5O2, and AX5YZ species, were prepared, and a novel method for the stepwise replacement of two fluorines in iodine fluorides by an oxygen was developed. With I(ClO4)3 and I(ClO4)4-, the first examples of highly explosive iodine perchlorates were discovered, and fluorocarbon perchlorates were prepared by the reaction of fluorocarbon iodides with halogen perchlorates. Similarly, chlorine fluorosulfate and perfluoroisopropyl iodide yield i-C3F7I(SO3F)2, a compound with an iodonium cation and an iodite anion. Iodine fluorosulfate, ISO3F, can also be added across olefinic double bonds producing iodoperfluorocarbon fluorosulfates. Further examples of the broad scope of this work are the syntheses of FOIF4O, ClOIF4O, HOIF4O, and tetrafluoroperiodates, and the study of the polymorphism in tetramethylammonium periodate. Recently, the potential of I2O6 as an agent for the defeat of weapons of mass destruction was demonstrated. Most of these compounds are not only of academic interest but have many applications as High Energy Density Materials, explosives, propellants, and chemical lasers.

Biography: Dr. Karl O. Christe is a Research Professor with the Loker Hydrocarbon Research Institute and Department of Chemistry at the University of Southern California, Los Angeles, CA. He received his B.Sc. from the Technical University of Stuttgart, Germany, 1957 and the University of Vienna, Austria, 1958, his M. Sc., Technical University of Stuttgart, Germany, 1960 and his Ph. D., Technical University of Stuttgart, Germany, 1961.

Dr. Christe has 53 years of experience in the synthesis of novel high energy oxidizers and rocket propellants and has managed and scientifically directed a large number of government funded research contracts. He has achieved the first syntheses of many spectacular compounds, such as ClF3O, ClF3O2, halogen perchlorates, OIF4OF, OsF4O2, and ions, such as NF4+, ClF6+, ClF6-, ClO2F2-, ClO2F2+, ClF2O+, ClF4O-, NF3+, NF2O+, and NH2F2+. He has invented solid propellant fluorine gas generators for chemical laser weapon systems and has discovered the first purely chemical synthesis of elemental fluorine. He has developed a synthesis for anhydrous tetramethylammonium fluoride and has pioneered the use of this compound as a source of “naked” fluoride ions, which has led to a renaissance of high coordination number chemistry. Among the novel compounds, which he prepared in this manner, are the XeF5- and IF52- anions, which are the first known examples of pentagonal planar species.

Dr. Christe is a member of the American Chemical Society and the Gesellschaft Deutscher Chemiker, and has received numerous awards, including the ACS Award in Iodine Chemistry (2015), the ACS Tolman Award (2011), Elections to the European Academy of Sciences and Arts (2010), and the European Academy of Sciences (2009), the Alfred Stock Gedaechtnispreis of the German Chemical Society (2006), the ACS Award in Inorganic Chemistry (2003), the Prix Moissan (2000), the ACS Award in Fluorine Chemistry (1986), and the NASA Apollo Achievement Award (1969).

Reservations: There will be a buffet dinner. The cost is $25 including tax, tip, iced tea and dessert, cash or check at the door. The talk at 8:00 is free to attend.

Directions: A campus map and directions are available at: http://college.lattc.edu/about-lattc/campus-map/

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ACS/Hach High School Chemistry Grant

Classroom Grant Opportunity for High School Chemistry Teachers

The American Chemical Society is currently seeking applications from teachers interested in enhancing their high school chemistry class with the ACS-Hach High School Chemistry Classroom Grant. Teachers can request up to $1,500 to support ideas that improve student learning and achievement within the classroom. Grant writing assistance and application details are available at www.acs.org/hachgrants. Applications are due by April 1, 2015.

Don’t Miss Your Chance to Receive up to $1,500 for Your Chemistry Ideas

Don’t Miss Your Chance to Receive up to $1,500 for Your Chemistry Ideas. The American Chemical Society is currently seeking applications for the ACS-Hach High School Chemistry Grant. The grants can be used to cover basic classroom or laboratory needs as well as support innovative ideas in chemistry education. Grant writing assistance and application details are available at www.acs.org/hachgrants. The application deadline has been extended to April 1, 2015.

The American Chemical Society is now accepting applications for the ACS-Hach High School Chemistry Grant

Teachers can request up to $1,500 to support ideas that improve student learning and achievement within the classroom. To learn more and apply, visit www.acs.org/hachgrants. Applications are due by April 1, 2015.

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Sigma Xi Student Research Showcase

Students are invited to submit research project descriptions for a chance to participate in the Student Research Showcase, a global and innovative research presentation competition.

Sigma Xi, The Scientific Research Society hosts the showcase to help students develop their skills in presenting research online, an increasingly important skill in our digital-driven world. Participants
present a personal video, written abstract and technical slideshow. They receive feedback from judges, who are professional researchers, and can earn up to $500 for top presentations in graduate, undergraduate, and high school divisions.

The Student Research Showcase will be held March 23-29, 2015. March 16 is the final deadline for presentation submission, registration, or to volunteer as a judge. Students can earn pre-approval to present by submitting their research project description to meetings@sigmaxi.org.

You can find more information at: https://www.sigmaxi.org/meetings-events/student-research-showcase

Judging categories include Biochemistry, Cellular & Molecular Biology, Chemistry, Ecology & Evolutionary Biology, Engineering, Environmental Sciences, Geo-Sciences, Human Behavioral & Social Sciences, Math & Computer Science, Physics & Astronomy, and Physiology & Immunology.

Want to learn more about the Student Research Showcase? Watch an interview with Kathryn Peiman, 2014 graduate division winner: http://bit.ly/1ycIE3B

Need advice on how to present your research? Join our Google Hangouts featuring professional science communicators Joe Hanson (February 27th) and Dennis Meredith (March 6th): http://bit.ly/1C31Ljs

Students may register online or visit the 2015 Student Research Showcase page for more information:

https://www.sigmaxi.org/meetings-events/student-research-showcase

Contact meetings@sigmaxi.org with questions.

Not a student? Volunteer to serve as a competition judge at: https://www.sigmaxi.org/meetings-events/volunteer. Please also encourage your students to participate in this event that will engage young researchers from across the globe.

More about Sigma Xi: Sigma Xi, The Scientific Research Society, is the international honor society of science and engineering. Scientists and engineers, whose research spans the disciplines of science and technology, comprise the membership of the Society. Sigma Xi chapters can be found at colleges and universities, government laboratories, and industry research centers around the world. Follow us on Twitter with @SigmaXiSociety.

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Missing Issues of SCALACS

Missing Issues of SCALACS

The Southern California Section Office is looking for specific copies of SCALACS to be included in an archival book. We are looking for:

January and November 1980
February 1982
September 1984
March, April and May, 1994
January, September, October and November/December 1995

If anyone has these copies and doesn’t mind parting with them, please contact Nancy Paradiso in the Section Office at 310 327-1216 or office@scalasc.org. We appreciate your help!

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SCALACS on Facebook and Twitter!

Don’t forget to check us out on Facebook and Twitter!

SCALACS has joined the Social Media world with an account on Facebook: www.facebook.com/scalacs
And on Twitter: @SCALACS1.

We look forward to seeing you there!

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Welcome to the Southern California Section!

This is the website of the Southern California Section of the American Chemical Society. Throughout the year, we have lots of activities posted on this website (see the side bar for upcoming events!) and also printed in our monthly magazine, SCALACS. Please browse our website and see the kinds of events we have for chemists from all walks of life – from academia to industrial chemists.

We have dinner meetings each month throughout the academic year where you can hobnob with other chemists (interesting speakers and great food!). Students can attend the dinner meetings for half the published price with valid ID. If you would like to hear the speaker at a dinner meeting without attending the dinner, just let Nancy Paradiso in the Section Office (310 327-1216 or office-at-scalacs-dot-org) know so we can reserve you a seat. We also have great outreach programs such as National Chemistry Week, Chemists Celebrate Earth Day and the High School Olympiad to share chemistry with upcoming students. We’re always looking for volunteers to help with these important programs.

Members are also invited to attend our Executive Committee Meetings. This is a great way to see our Section governance in action! The Executive Committee Meetings are held the first Wednesday of each month (excluding December, June, July and August) at 7:30 p.m. The meetings are held at the Mount St. Mary’s Doheny campus. Please call Nancy at the Section Office for directions and to let her know that you are attending.

We hope to see you soon at an upcoming meeting or volunteering at an outreach event!

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