1echo 2permanent_dir ./perm 3scratch_dir ./data 4start o 5 6memory global 40 mb stack 23 mb heap 5 mb 7 8geometry noautosym nocenter noautoz units au 9 O 0 0 0 10end 11 12 13basis 14 O library 6-31g* 15 H library 6-31g* 16end 17 18set chelp:prune .true. 19set chelp:prune:exterior .true. 20 21task dft chelp 22