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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-170.850003
Energy at 298.15K-170.852356
HF Energy-170.850003
Nuclear repulsion energy89.739180
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 TPSSh/6-31+G**
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' 3275 3152 2.65      
2 A' 3195 3075 1.14      
3 A' 3177 3058 1.10      
4 A' 2309 2223 9.74      
5 A' 1676 1613 1.37      
6 A' 1457 1403 5.11      
7 A' 1323 1273 0.28      
8 A' 1110 1069 3.28      
9 A' 884 851 1.26      
10 A' 570 548 0.04      
11 A' 232 223 2.30      
12 A" 1003 965 31.46      
13 A" 984 947 36.00      
14 A" 707 680 11.26      
15 A" 346 333 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11123.6 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 10706.4 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 TPSSh/6-31+G**
ABC
1.68523 0.16380 0.14929

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.573 -0.540 0.000
N2 -1.080 -1.589 0.000
C3 0.000 0.777 0.000
H4 -0.713 1.597 0.000
C5 1.325 0.990 0.000
H6 2.039 0.172 0.000
H7 1.723 1.999 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16521.43632.14142.43842.70753.4239
N21.16522.60103.20713.52683.58204.5538
C31.43632.60101.08641.34232.12652.1128
H42.14143.20711.08642.12663.09842.4691
C52.43843.52681.34232.12661.08501.0851
H62.70753.58202.12653.09841.08501.8540
H73.42394.55382.11282.46911.08511.8540

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.469 C1 C3 C5 122.658
N2 C1 C3 177.747 C3 C5 H6 121.982
C3 C5 H7 120.643 H4 C3 C5 121.872
H6 C5 H7 117.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 N -0.434      
3 C 0.187      
4 H 0.193      
5 C -0.264      
6 H 0.180      
7 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.054 3.487 0.000 4.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.110 2.267 0.000
y 2.267 7.203 0.000
z 0.000 0.000 3.529


<r2> (average value of r2) Å2
<r2> 78.985
(<r2>)1/2 8.887