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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-169.823373
Energy at 298.15K-169.825964
HF Energy-169.823373
Nuclear repulsion energy91.137771
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 HF/TZVP
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' 3402 3091 2.42      
2 A' 3353 3046 1.21      
3 A' 3309 3007 1.21      
4 A' 2595 2358 27.47      
5 A' 1825 1658 0.08      
6 A' 1561 1418 10.12      
7 A' 1427 1297 1.49      
8 A' 1197 1087 4.18      
9 A' 922 838 3.30      
10 A' 636 578 0.08      
11 A' 266 242 3.64      
12 A" 1130 1027 29.10      
13 A" 1095 995 42.47      
14 A" 782 711 15.54      
15 A" 391 356 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 11945.4 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 10853.6 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 HF/TZVP
ABC
1.71077 0.16868 0.15354

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.579 -0.541 0.000
N2 -1.048 -1.568 0.000
C3 0.000 0.777 0.000
H4 -0.699 1.591 0.000
C5 1.301 0.974 0.000
H6 2.000 0.158 0.000
H7 1.702 1.970 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.12831.44002.13602.41522.67223.3929
N21.12832.56833.17843.46103.50214.4807
C31.44002.56831.07341.31612.09312.0785
H42.13603.17841.07342.09363.05572.4310
C52.41523.46101.31612.09361.07381.0735
H62.67223.50212.09313.05571.07381.8359
H73.39294.48072.07852.43101.07351.8359

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.620 C1 C3 C5 122.339
N2 C1 C3 179.217 C3 C5 H6 121.949
C3 C5 H7 120.537 H4 C3 C5 122.041
H6 C5 H7 117.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.059      
2 N -0.126      
3 C -0.169      
4 H 0.164      
5 C -0.200      
6 H 0.145      
7 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.211 3.678 0.000 4.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.481 -2.938 0.000
y -2.938 -26.350 0.000
z 0.000 0.000 -25.198
Traceless
 xyz
x 3.293 -2.938 0.000
y -2.938 -2.510 0.000
z 0.000 0.000 -0.783
Polar
3z2-r2-1.566
x2-y23.868
xy-2.938
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.758 1.904 0.000
y 1.904 6.232 0.000
z 0.000 0.000 3.199


<r2> (average value of r2) Å2
<r2> 77.373
(<r2>)1/2 8.796