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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: CCSD/daug-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 CCSD/daug-cc-pVTZ
 hartrees
Energy at 0K-132.511870
Energy at 298.15K 
HF Energy-131.975068
Nuclear repulsion energy58.463253
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 CCSD/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD/daug-cc-pVTZ
ABC
5.31917 0.30685 0.30685

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.182
C2 0.000 0.000 0.282
N3 0.000 0.000 1.436
H4 0.000 1.024 -1.551
H5 0.887 -0.512 -1.551
H6 -0.887 -0.512 -1.551

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.46402.61821.08821.08821.0882
C21.46401.15422.09922.09922.0992
N32.61821.15423.15743.15743.1574
H41.08822.09923.15741.77331.7733
H51.08822.09923.15741.77331.7733
H61.08822.09923.15741.77331.7733

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 109.801
C2 C1 H5 109.801 C2 C1 H6 109.801
H4 C1 H5 109.139 H4 C1 H6 109.139
H5 C1 H6 109.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability