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Lithium monoxide anion (LiO −) is a superbase existing in the gas phase. It was the strongest known base until 2008, when the isomeric diethynylbenzene dianions were determined to have a higher proton affinity. The methanide ion CH − 3 was the strongest known base before lithium monoxide anion was discovered. [2] LiO − has a proton ...
A superbase is a compound that has a particularly high affinity for protons. Superbases are of theoretical interest and potentially valuable in organic synthesis . [ 1 ] [ 2 ] Superbases have been described and used since the 1850s.
In chemistry, the Verkade base (or Verkade superbase) is a powerful superbase with the formula P(MeNCH 2 CH 2) 3 N. A colorless oil, it is an aminophosphine although its inventor John Verkade called it proazaphosphatrane. The trimethyl derivative or 2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane is the simplest. [1]
Two f-holes are painted on her back to make her body resemble a violin. [s 1] Movement Study: 1926 Rudolf Koppitz: Vienna, Austria Gelatin silver print on carte-postale [s 1] Kiki with African Mask: 1926 Man Ray: Paris, France Gelatin silver print [s 2] Charles Lindbergh, Croydon Aerodrome: 29 May 1927 Pacific and Atlantic photos inc.
This is the incredible Kay Pike. Using only body paint and paint brushes, the ever so talented Kay can magically transform herself into any superhero or villain in the (comic) book.
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The motivation driving notable icons of the strength world might be something that drives you, too.
Demi's Birthday Suit, August 1992.. Nudity portal; Demi's Birthday Suit, or The Suit, was a trompe-l'œil body painting by Joanne Gair photographed by Annie Leibovitz that was featured on the cover of the Vanity Fair August 1992 issue to commemorate and exploit the success of Leibovitz's More Demi Moore cover photo of Demi Moore one year earlier.