PARAMETER(NATCLU_M=700,NLINE_M=10000,NP_M=50)
      PARAMETER(NATP_M=700,NAT_EQ_M=64)
C
C        NATCLU_M    : MAXIMUM NUMBER OF ATOMS IN THE CLUSTER FILE
C        NLINE_M     : MAXIMUM NUMBER OF LINES IN THE CLUSTER FILE
C        NP_M        : MAXIMUM NUMBER OF PREAMBLE LINES IN THE 
C                      phagen_scf. f INPUT FILE (BEFORE THE CLUSTER
C                      SECTION)
C        NATP_M      : MAXIMUM NUMBER OF PROTOTYPICAL ATOMS
C        NAT_EQ_M    : MAXIMUM NUMBER OF EQUIVALENT ATOMS
C