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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-132.713684
Energy at 298.15K 
HF Energy-132.524294
Nuclear repulsion energy58.577807
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 B2PLYP=FULLultrafine/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3080 3080 2.74 190.78 0.00 0.01
2 A1 2306 2306 4.39 69.22 0.14 0.25
3 A1 1425 1425 1.30 4.94 0.40 0.57
4 A1 932 932 1.26 5.73 0.05 0.10
5 E 3151 3151 0.62 54.90 0.75 0.86
5 E 3151 3151 0.62 54.90 0.75 0.86
6 E 1495 1495 10.34 5.03 0.75 0.86
6 E 1495 1495 10.34 5.03 0.75 0.86
7 E 1073 1073 1.55 0.08 0.75 0.86
7 E 1073 1073 1.55 0.08 0.75 0.86
8 E 372 372 0.62 1.28 0.75 0.86
8 E 372 372 0.62 1.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9962.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9962.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/daug-cc-pVTZ
ABC
5.34963 0.30847 0.30847

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/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 0.278
N3 0.000 0.000 1.434
H4 0.000 1.021 -1.549
H5 0.884 -0.510 -1.549
H6 -0.884 -0.510 -1.549

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.45522.61061.08671.08671.0867
C21.45521.15552.09342.09342.0934
N32.61061.15553.15293.15293.1529
H41.08672.09343.15291.76831.7683
H51.08672.09343.15291.76831.7683
H61.08672.09343.15291.76831.7683

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 110.043
C2 C1 H5 110.043 C2 C1 H6 110.043
H4 C1 H5 108.893 H4 C1 H6 108.893
H5 C1 H6 108.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability