#P HF/6-31G(d) freq HF/6-31G(d) freq methanol eclipsed 0 1 H1 C2 1 r2 O3 2 r3 1 a3 H4 3 r4 2 a4 1 0.0 H5 2 r5 3 a5 1 d5 H6 2 r5 3 a5 1 -d5 r2=1.08575913 r3=1.40334095 r4=0.94417635 r5=1.08436766 a3=112.21589273 a4=110.22349267 a5=109.76586885 d5=120.38237102