%chk=nh3_guassview.chk
%mem=6MW
%nproc=1
#opt hf/3-21g geom=connectivity

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

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

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