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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: CCD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-132.506742
Energy at 298.15K 
HF Energy-131.975151
Nuclear repulsion energy58.529176
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/aug-cc-pVTZ
ABC
5.32445 0.30758 0.30758

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.180
C2 0.000 0.000 0.282
N3 0.000 0.000 1.434
H4 0.000 1.023 -1.550
H5 0.886 -0.512 -1.550
H6 -0.886 -0.512 -1.550

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.46262.61471.08791.08791.0879
C21.46261.15222.09832.09832.0983
N32.61471.15223.15463.15463.1546
H41.08792.09833.15461.77241.7724
H51.08792.09833.15461.77241.7724
H61.08792.09833.15461.77241.7724

picture of Acetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 180.000 C2 C1 H4 109.844
C2 C1 H5 109.844 C2 C1 H6 109.844
H4 C1 H5 109.096 H4 C1 H6 109.096
H5 C1 H6 109.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability