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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-132.763624
Energy at 298.15K-132.766175
HF Energy-132.763624
Nuclear repulsion energy58.230866
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 BLYP/Def2TZVPP
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 2976 2976 3.85 185.90 0.00 0.01
2 A1 2268 2268 7.46 68.78 0.22 0.36
3 A1 1378 1378 1.88 8.36 0.46 0.63
4 A1 901 901 0.67 4.30 0.08 0.15
5 E 3038 3038 1.67 65.01 0.75 0.86
5 E 3038 3038 1.67 65.01 0.75 0.86
6 E 1439 1439 9.62 8.04 0.75 0.86
6 E 1439 1439 9.62 8.04 0.75 0.86
7 E 1035 1035 1.61 0.00 0.75 0.86
7 E 1035 1035 1.61 0.00 0.75 0.86
8 E 369 369 0.23 2.51 0.75 0.86
8 E 369 369 0.23 2.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9641.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9641.9 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 BLYP/Def2TZVPP
ABC
5.27370 0.30506 0.30506

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

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 0.280
N3 0.000 0.000 1.442
H4 0.000 1.028 -1.562
H5 0.890 -0.514 -1.562
H6 -0.890 -0.514 -1.562

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.46212.62351.09641.09641.0964
C21.46211.16142.11012.11012.1101
N32.62351.16143.17513.17513.1751
H41.09642.11013.17511.78091.7809
H51.09642.11013.17511.78091.7809
H61.09642.11013.17511.78091.7809

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 110.310
C2 C1 H5 110.310 C2 C1 H6 110.310
H4 C1 H5 108.619 H4 C1 H6 108.619
H5 C1 H6 108.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.137      
2 C -0.260      
3 N 0.039      
4 H 0.120      
5 H 0.120      
6 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.948 3.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.835 0.000 0.000
y 0.000 -17.835 0.000
z 0.000 0.000 -21.017
Traceless
 xyz
x 1.591 0.000 0.000
y 0.000 1.591 0.000
z 0.000 0.000 -3.182
Polar
3z2-r2-6.364
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.366 0.000 0.000
y 0.000 3.366 0.000
z 0.000 0.000 5.966


<r2> (average value of r2) Å2
<r2> 45.697
(<r2>)1/2 6.760