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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-170.617182
Energy at 298.15K-170.619474
Nuclear repulsion energy89.377983
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 PBEPBE/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' 3210 3166 1.96      
2 A' 3119 3076 1.01      
3 A' 3111 3068 0.35      
4 A' 2259 2228 4.05      
5 A' 1639 1616 0.80      
6 A' 1405 1386 5.44      
7 A' 1278 1261 0.09      
8 A' 1078 1064 3.37      
9 A' 874 862 0.68      
10 A' 559 551 0.00      
11 A' 227 224 2.21      
12 A" 970 957 22.60      
13 A" 929 917 29.64      
14 A" 690 681 10.50      
15 A" 341 337 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 10844.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 10695.8 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 PBEPBE/6-31G**
ABC
1.67310 0.16272 0.14830

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.581 -0.531 0.000
N2 -1.082 -1.596 0.000
C3 0.000 0.774 0.000
H4 -0.707 1.612 0.000
C5 1.331 0.989 0.000
H6 2.045 0.163 0.000
H7 1.730 2.006 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.17691.42882.14662.44242.71623.4315
N21.17692.60563.22963.53603.58774.5693
C31.42882.60561.09561.34812.13502.1234
H42.14663.22961.09562.13063.11042.4681
C52.44243.53601.34812.13061.09261.0923
H62.71623.58772.13503.11041.09261.8703
H73.43154.56932.12342.46811.09231.8703

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.860 C1 C3 C5 123.139
N2 C1 C3 178.782 C3 C5 H6 121.681
C3 C5 H7 120.577 H4 C3 C5 121.001
H6 C5 H7 117.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.311      
2 N -0.456      
3 C -0.087      
4 H 0.159      
5 C -0.216      
6 H 0.148      
7 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.893 3.256 0.000 3.766
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.992 -2.622 0.000
y -2.622 -24.996 0.000
z 0.000 0.000 -24.193
Traceless
 xyz
x 2.603 -2.622 0.000
y -2.622 -1.904 0.000
z 0.000 0.000 -0.699
Polar
3z2-r2-1.399
x2-y23.005
xy-2.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.456 2.138 0.000
y 2.138 6.635 0.000
z 0.000 0.000 2.233


<r2> (average value of r2) Å2
<r2> 78.976
(<r2>)1/2 8.887