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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-169.693923
Energy at 298.15K-169.696519
Nuclear repulsion energy90.622446
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/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' 3445 3110 5.55      
2 A' 3382 3054 1.93      
3 A' 3349 3024 1.46      
4 A' 2549 2302 29.14      
5 A' 1845 1665 0.11      
6 A' 1599 1444 8.15      
7 A' 1464 1321 1.10      
8 A' 1233 1113 7.19      
9 A' 944 852 4.10      
10 A' 641 578 0.04      
11 A' 265 239 2.75      
12 A" 1177 1062 23.32      
13 A" 1128 1018 67.03      
14 A" 804 726 13.09      
15 A" 381 344 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 12101.5 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 10926.5 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/6-31G
ABC
1.71979 0.16644 0.15175

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.579 -0.537 0.000
N2 -1.057 -1.581 0.000
C3 0.000 0.772 0.000
H4 -0.699 1.586 0.000
C5 1.308 0.985 0.000
H6 2.016 0.180 0.000
H7 1.702 1.982 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.14801.43222.12732.42482.69273.3984
N21.14802.58013.18803.48983.54204.5062
C31.43222.58011.07261.32542.10162.0879
H42.12733.18801.07262.09483.05762.4328
C52.42483.48981.32542.09481.07231.0716
H62.69273.54202.10163.05761.07231.8290
H73.39844.50622.08792.43281.07161.8290

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.526 C1 C3 C5 123.079
N2 C1 C3 179.257 C3 C5 H6 122.102
C3 C5 H7 120.795 H4 C3 C5 121.395
H6 C5 H7 117.103
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.041 0.557    
2 N -0.300 -0.553    
3 C -0.087 -0.290    
4 H 0.241 0.174    
5 C -0.299 -0.198    
6 H 0.209 0.156    
7 H 0.195 0.155    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.206 3.693 0.000 4.302
CHELPG 2.204 3.685 0.000 4.293
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.467 -3.070 0.000
y -3.070 -26.627 0.000
z 0.000 0.000 -24.963
Traceless
 xyz
x 3.328 -3.070 0.000
y -3.070 -2.911 0.000
z 0.000 0.000 -0.416
Polar
3z2-r2-0.833
x2-y24.159
xy-3.070
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.326 1.988 0.000
y 1.988 5.855 0.000
z 0.000 0.000 1.867


<r2> (average value of r2) Å2
<r2> 78.080
(<r2>)1/2 8.836