%chk=ben_opt_nh3_101
%mem=6MW
%nproc=1
# opt b3lyp/3-21g nosymm geom=connectivity

optimisation of asymmetric nh3

0 1
 N
 H                  1              B1
 H                  1              B2    2              A1
 H                  1              B3    3              A2    2              D1

   B1             1.01000000
   B2             1.00000000
   B3             1.00000000
   A1           109.47120255
   A2           109.47125080
   D1          -119.99998525

 1 2 1.0 3 1.0 4 1.0
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