Quadruple bond Quadruple bond A quadruple bond is a type of chemical bond between two atoms involving eight electrons. This bond is an extension of the more familiar types double bonds and triple bonds. Stable quadruple bonds are most common among the transition metals in the middle of the d-block, such as rhenium, tungsten, molybdenum and chromium. Typically the ligands that support quadruple bonds are π-donors, not π-acceptors. Chromium(II) acetate, Cr("μ"-OCCH)(HO), was the first chemical compound containing a quadruple bond to be synthesized. It was described in 1844 by E. Peligot, although its distinctive bonding was not recognized for more than a
The Time in Between (TV series) The Time in Between (TV series) El tiempo entre costuras (literally "The Time Between Seams", English title: The Time in Between) is a Spanish period drama television series produced by Boomerang TV for Antena 3. It is an adaptation of the same-titled novel by María Dueñas, published in English language under the titles "The Time in Between" and "The Seamstress". It premiered on October 21, 2013 on Antena 3. The premiere was seen by 5.018 million people, making it the most watched premiere on Antena 3 in 12 years. The story begins in 1934. Between Youth and Adulthood... Sira Quiroga