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The Water Nanodrop


{(NH2)3C}20.{(Mo)Mo5O21(H2O)6}12.{Mo2O4(SO4)}10.{Mo2O4(H2PO2)}20.100H2O

 

100 water molecules inside a spherical polyoxomolybdate cluster {(Mo)Mo5}12(Mo2 spacer)30 [417]. The structure of the contained nanodrop may be modulated by changes in the surrounding molybdenum-based cluster [547]. The water molecules are held by ice-like hydrogen bonding with the attractive bond energies between of the 30 hydrogen bonds in the inner dodecahedron, the 50 hydrogen bonds in the inner two shells and all the hydrogen bonds in the outer shell of 60 water molecules calculated to be 23.3 kJ ˣ mol-1, 29.7 kJ ˣ mol-1 and 28.9 kJ ˣ mol-1 respectively [547]. The stability of the (H2O)100 nanodrop cluster has been confirmed from quantum-chemical computations [1627].

 


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This page was established in 2007 and last updated by Martin Chaplin on 21 July, 2015


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