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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-170.764633
Energy at 298.15K-170.767020
HF Energy-170.764633
Nuclear repulsion energy 
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 wB97X-D/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3308 3137 2.36      
2 A' 3240 3073 1.07      
3 A' 3213 3047 1.00      
4 A' 2395 2271 9.72      
5 A' 1732 1643 0.38      
6 A' 1470 1394 7.14      
7 A' 1340 1271 0.35      
8 A' 1126 1068 4.25      
9 A' 895 849 1.20      
10 A' 585 555 0.05      
11 A' 239 227 2.92      
12 A" 1025 972 33.47      
13 A" 1004 952 27.39      
14 A" 717 680 14.03      
15 A" 355 337 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 11321.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 10738.1 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 wB97X-D/6-31G*
ABC
1.67075 0.16560 0.15067

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.582 -0.533 0.000
N2 -1.068 -1.584 0.000
C3 0.000 0.781 0.000
H4 -0.705 1.608 0.000
C5 1.319 0.977 0.000
H6 2.023 0.150 0.000
H7 1.730 1.982 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15821.43732.14452.42802.69283.4162
N21.15822.59533.21263.50153.54434.5329
C31.43732.59531.08631.33402.11912.1060
H42.14453.21261.08632.12023.09282.4635
C52.42803.50151.33402.12021.08571.0855
H62.69283.54432.11913.09281.08571.8551
H73.41624.53292.10602.46351.08551.8551

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.676 C1 C3 C5 122.321
N2 C1 C3 179.047 C3 C5 H6 121.939
C3 C5 H7 120.676 H4 C3 C5 122.003
H6 C5 H7 117.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.303      
2 N -0.452      
3 C -0.146      
4 H 0.223      
5 C -0.338      
6 H 0.210      
7 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.010 3.427 0.000 3.973
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.802 -2.732 0.000
y -2.732 -25.123 0.000
z 0.000 0.000 -24.251
Traceless
 xyz
x 2.885 -2.732 0.000
y -2.732 -2.096 0.000
z 0.000 0.000 -0.788
Polar
3z2-r2-1.577
x2-y23.321
xy-2.732
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.260 1.930 0.000
y 1.930 6.188 0.000
z 0.000 0.000 2.164


<r2> (average value of r2) Å2
<r2> 77.964
(<r2>)1/2 8.830