:Jmol ش (<tt>answer</tt> ĵڶĵһ)
:﷨,
:atomno=1 
 1 ԭ
:({1})
 2 ԭ (ע 1).
:atomno=1 or atomno=2 or atomno=5
 1, 2  5 ԭ
:({0 1 4})
 1, 2  5 ԭ (ע 1).
:({0 1 4:7})
 1, 2  5  8 ԭ (ע 1).
:_C
̼ԭ (Ҳд <tt>carbon</tt> ʹԭӸ <tt>elemno=6</tt>)
:connected(2)
ԭ (ܼ)
:connected(2,4)
 2  4 ԭ (ܼ)
:connected(double)
˫ԭ (ҲҪ <tt>single</tt>, <tt>triple</tt>  <tt>aromatic</tt>)
:connected(atomno=5)
 5 ԭԭ
:connected(2,nitrogen)
ǡ 2 ԭԭ (ǿԭ)
:within(2.1,atomno=4)
 4 ԭӵľС 2.1&Aring; ԭ 
:within(2.1,plane,@{plane({atomno=3},{atomno=4},{atomno=5})})
 3, 4, 5 ԭȷƽľС 2.1&Aring; ԭ ()
:within(2.1,plane,@{plane({atomno=3},{atomno=4},{atomno=5})}) or within(-2.1,plane,@{plane({atomno=3},{atomno=4},{atomno=5})})
 3, 4, 5 ԭȷƽľС 2.1&Aring; ԭ
