BEGIN SCAN/ENERGY-SCAN
  {PROBE | SCAN} [molecule | atom] <molname> +++
      WITH [<molname> [[and] CHARGE <charge>]]
  UNITS [A | ANG | ANGSTROM | BOHR | AU | A.U.]  +++
      [DEG | DEGREE | DEGREES | RAD | RADIAN | RADIANS]
      NOTE: UNITS must come before POINTS/RANDOM
  CENTRE/CENTER PROBE [on] [COM]/[XYZ <x> <y> <z>]
  REGULARIZE [E1] [[and] E2] [with] ETA [=] <reg_eta>
  {ENERGIES | ENERGY} [DISP/DISPERSION/E2DISP] +++
   [&/and/,] [IND/INDUCTION/E2IND] [&/and/,] [ELST/E1ELST/ELECTROSTATICS] +++
   [&/and/,] [E1EXCH] [&/and/,] [E2EXIND] & [E2EXDISP] & [OVERLAP] [NOTHING]
  LATTICE
  POINTS
    [TRANSLATIONS | TRANSLATIONS-ONLY]
    [SKIP-FIRST-COLUMN]
    x1 y1 z1    [angle1 nx1 ny1 nz1]
    x2 y2 z2    [angle2 nx2 ny2 nz2]
    etc
  ---  <----end POINTS block with three hyphens.
  RANDOM
    POINTS [=] <number of points>
    DRMIN  [=] <dRmin>
    DRMAX  [=] <dRmax>
    RADIAL [points] [=] <number of radial points per angular configuration>
    SKIP   [=] <number to skip> [angular] [configurations]
    WRITE  <filename> [APPEND]
  ---
  ENERGY-FILE [PREFIX] <file prefix> [[in | using] STYLE <style index>]
  OVERLAP-FILE [PREFIX] <file prefix> [[in | using] STYLE <style index>]
  DEBUGGING T/TRUE/ON or F/FALSE/OFF
  {QUIET | VERBOSE}
END