XPost: sci.chem   
   From: a202010@lycos.com-   
      
   Timothy Sutter wrote:   
      
   > Salmon Egg wrote:   
      
   > > Has anyone developed a meaningful model of a dye as the   
   > > quantum version of a small classical antenna?   
      
   > lots of them are conjugated double bond sytems   
   > but the distance between single and double bonds   
   > probably doesn't change much so it would be the   
   > length of the conjugated system that may be   
   > variable like an antenna which can be opened   
   > and closed like rabbit ears.   
      
   > meaning, i'd wonder if a single dye molecule could   
   > be varied likrabbit ears, but a series of differently   
   > sized dye molecules could be varied like rabbit ears,   
   > but this would be difficult.   
      
      
   oh, yeah, right, some of these dye molecules   
   can twist and the twist can affect their color   
      
   like "indicator dyes"   
      
   that could be sort of like rabbit ears.   
      
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