c common blocks for rate constant input
c  Arrhenius rate expressions
      common /arrhen/ a, s
      real
     & a(nrmx),                ! rate const at 298 K
     & s(nrmx)                 ! E/R factor

c  TROE rate expressions
      common /troe/   ak0300,aki300,an,am,
     |                bas, aequil, tequil
      real
     & ak0300(nrmx),           ! k_o
     & aki300(nrmx),           ! k_infinity
     & an(nrmx),               ! power for k_o
     & am(nrmx),               ! power for k_infinity
     & bas(nrmx),              ! base of the power expression
     & aequil(nrmx),           ! for reversible TROE reactions
     & tequil(nrmx)            ! for reversible TROE reactions

