%SUBJECT: File CHEMF1.TEX
 
\vbox{
\centerline{
\structure{\phantatom{C}
% The \phantatom just processed defines the central empty spot, from
% which all the bonds spray out; each one of the following \side{...}
% commands will generate one direction. The rules for \side are explained
% later in this paper.
\side{\wsingle\phantatom{C}\wdouble\phantatom{C}\wtriple\atom{\tt W}}
\side{\esingle\phantatom{C}\edouble\phantatom{C}\etriple\atom{\tt E}}
\side{\ssingle\phantatom{C}\sdouble\phantatom{C}\striple\atom{\tt S}}
\side{\nsingle\phantatom{C}\ndouble\phantatom{C}\ntriple\atom{\tt N}}
\side{\swsingle\phantatom{C}\swdouble\phantatom{C}\swtriple\atom{\tt SW}}
\side{\sesingle\phantatom{C}\sedouble\phantatom{C}\setriple\atom{\tt SE}}
\side{\nesingle\phantatom{C}\nedouble\phantatom{C}\netriple\atom{\tt NE}}
\side{\nwsingle\phantatom{C}\nwdouble\phantatom{C}\nwtriple\atom{\tt NW}}
\side{\nnwsingle\phantatom{C}\nnwdouble\phantatom{C}\nnwtriple
\atom{\tt NNW}}
\side{\nnesingle\phantatom{C}\nnedouble\phantatom{C}\nnetriple
\atom{\tt NNE}}
\side{\ssesingle\phantatom{C}\ssedouble\phantatom{C}\ssetriple
\atom{\tt SSE}}
\side{\sswsingle\phantatom{C}\sswdouble\phantatom{C}\sswtriple
\atom{\tt SSW}}
}
\hskip 1truecm
\structure{\phantatom{C}
\side{\wnwbelow\phantatom{C}\wnwabove\phantatom{C}\wnwevoba
\atom{\tt WNW}}
\side{\enebelow\phantatom{C}\eneabove\phantatom{C}\eneevoba
\atom{\tt ENE}}
\side{\wswbelow\phantatom{C}\wswabove\phantatom{C}\wswevoba
\atom{\tt WSW}}
\side{\esebelow\phantatom{C}\eseabove\phantatom{C}\eseevoba
\atom{\tt ESE}}
\side{\swbelow\atom{\tt SW}}
\side{\sebelow\atom{\tt SE}}
\side{\nebelow\atom{\tt NE}}
\side{\nwbelow\atom{\tt NW}}
\side{\nnwbelow\phantatom{C}\nnwabove\phantatom{C}\nnwevoba
\atom{\tt NNW}}
\side{\nnebelow\phantatom{C}\nneabove\phantatom{C}\nneevoba
\atom{\tt NNE}}
\side{\ssebelow\phantatom{C}\sseabove\phantatom{C}\sseevoba
\atom{\tt SSE}}
\side{\sswbelow\phantatom{C}\sswabove\phantatom{C}\sswevoba
\atom{\tt SSW}}
}
}
\vskip 1truecm
\centerline{\it Fig.~1: All available in-plane and out-of-plane bonds.}
}
 
