Run semi-empirical minimization
 &qmmm
    qm_theory='AM1', grms_tol=0.0005,
 scfconv=1.d-10, ndiis_attempts=700,   qmcharge=0,
 /
   6   C1'        7.0800       -4.6930        2.2840 
   6   C2'        6.8540       -5.5750        3.5340 
   8   O4'        7.3550       -5.5240        1.1600 
   7    N6        3.0040       -0.9390        0.2290 
   6    C6        4.3350       -1.2910        0.3590 
   6    C5        4.6830       -2.4320        1.0940 
   7    N7        3.8250       -3.3320        1.7480 
   6    C8        4.5830       -4.2240        2.2670 
   7    N9        5.9270       -3.9220        1.9650 
   6    C4        5.9270       -2.7950        1.2360 
   7    N3        7.0000       -2.0960        0.6850 
   6    C2        6.7490       -1.0410       -0.0010 
   6   C13        5.3290       -0.5860       -0.1930 
   1   H1'        7.9380       -4.0210        2.4310 
   1  H2'1        7.7620       -6.1590        3.7350 
   1  H2'2        6.6320       -4.9340        4.4010 
   1   H61        2.7560       -0.1410       -0.2860 
   1   H62        2.2940       -1.5000        0.6600 
   1    H8        4.2470       -5.0650        2.8240 
   1    H2        7.5480       -0.4940       -0.4350 
   1  H2'3        6.0120       -6.2600        3.3590 
   1  HHO4        8.1590       -6.0830        1.3420 
   1   H13        5.1210        0.2890       -0.7620 

