Using standard bond lengths and bond angles, write Z-matrices using internal coordinates for each of the following:

Question:

Using standard bond lengths and bond angles, write Z-matrices using internal coordinates for each of the following:
(a) CO2;
(b) CH4;
(c) H2CO;
(d) NH3;
(e) C2H4;
(f) CH3OH (do both staggered and eclipsed conformations);
(g) CH2ClCH2Cl (anti and gauche conformations).