ADDA
ADDA a b c d
This command must be followed by four integers.
The integers are atom numbers. A new atom, of type 3, will
be added at the centre of the atoms listed, and at the end
of the MacroModel data file. The type of this atom can then be
changed using the CATM command.
Atom numbers of zero will be ignored in calculating the position
of the new atom, unless the first atom number listed is zero,
in which case the average of position of all the atoms in the
molecule is used.
Acca and Acca documentation:
© 1996-1999 J M Goodman, Cambridge.
Acca documentation may not be copied
without the written permission of the author.
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