Howdy, Today I found too atoms close together - and realized they were one and the same - close to a special position - the other being the symmetry mate. I moved one atom (move/translate zone) - but the other did not move until I went to another atom and came back. It would be nice if when moving the first atom - the symmetry related one moved to - it would have made centering on the special position easier. I know this might be computationally expensive - so have a preference to turn it on or off. Ezra