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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: CCSD=FULL/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=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-132.567321
Energy at 298.15K 
HF Energy-131.975725
Nuclear repulsion energy58.695195
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=FULL/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/daug-cc-pVTZ
ABC
5.35154 0.30945 0.30945

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.177
C2 0.000 0.000 0.281
N3 0.000 0.000 1.430
H4 0.000 1.021 -1.546
H5 0.884 -0.510 -1.546
H6 -0.884 -0.510 -1.546

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.45732.60671.08541.08541.0854
C21.45731.14942.09222.09222.0922
N32.60671.14943.14593.14593.1459
H41.08542.09223.14591.76791.7679
H51.08542.09223.14591.76791.7679
H61.08542.09223.14591.76791.7679

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 109.875
C2 C1 H5 109.875 C2 C1 H6 109.875
H4 C1 H5 109.064 H4 C1 H6 109.064
H5 C1 H6 109.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability