\version "2.16.2"

\relative c'' { 
  \time 3/2 c2 c2 c \bar ":|:"
  
  c1  s2 c1  s2 
  \set Score.measureLength = #(ly:make-moment 3 2 ) 
  \set Score.measurePosition = #(ly:make-moment 3 6 ) 
  c1   s2 
 
  \bar":|"
}