return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-170.763727
Energy at 298.15K-170.766055
HF Energy-170.763727
Nuclear repulsion energy89.839059
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 B97D3/6-311G**
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' 3199 3153 4.70      
2 A' 3115 3070 1.97      
3 A' 3103 3059 2.20      
4 A' 2255 2223 4.18      
5 A' 1630 1607 1.30      
6 A' 1415 1395 6.11      
7 A' 1290 1272 0.09      
8 A' 1087 1072 2.90      
9 A' 869 857 1.11      
10 A' 570 562 0.01      
11 A' 231 228 2.26      
12 A" 979 965 23.72      
13 A" 944 930 33.96      
14 A" 694 684 11.45      
15 A" 342 337 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 10861.1 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 10705.8 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 B97D3/6-311G**
ABC
1.68590 0.16432 0.14973

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.581 -0.531 0.000
N2 -1.075 -1.587 0.000
C3 0.000 0.772 0.000
H4 -0.704 1.604 0.000
C5 1.326 0.984 0.000
H6 2.034 0.159 0.000
H7 1.725 1.995 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16581.42632.13832.43522.70443.4199
N21.16582.59193.21213.51763.56614.5462
C31.42632.59191.08961.34272.12432.1144
H42.13833.21211.08962.12183.09532.4594
C52.43523.51761.34272.12181.08711.0869
H62.70443.56612.12433.09531.08711.8617
H73.41994.54622.11442.45941.08691.8617

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.443 C1 C3 C5 122.764
N2 C1 C3 179.108 C3 C5 H6 121.830
C3 C5 H7 120.750 H4 C3 C5 121.793
H6 C5 H7 117.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.079      
2 N -0.245      
3 C -0.095      
4 H 0.145      
5 C -0.153      
6 H 0.137      
7 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.923 3.309 0.000 3.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.312 -2.698 0.000
y -2.698 -25.412 0.000
z 0.000 0.000 -24.554
Traceless
 xyz
x 2.671 -2.698 0.000
y -2.698 -1.979 0.000
z 0.000 0.000 -0.692
Polar
3z2-r2-1.383
x2-y23.100
xy-2.698
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.764 2.136 0.000
y 2.136 6.779 0.000
z 0.000 0.000 2.747


<r2> (average value of r2) Å2
<r2> 78.593
(<r2>)1/2 8.865