zap;
background white;
load CaSi2.cif;
select elemno=20; 
color grey; 
spacefill 20%;
select elemno=14; 
color blue; 
spacefill 17%;
connect (all) delete; 
connect 0.1 3.5 (silicon) (silicon) single radius 0.1 modifyorcreate;
moveto 0.5 { -940 236 247 86.31} 100.0 0.0 0.0 {4.7870007 7.186 2.6504998} 16.101688 {0.0 0.0 0.0} -3.2393587 13.313677 0.0;