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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-169.773392
Energy at 298.15K-169.775966
Nuclear repulsion energy90.831988
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' 3427 3093 3.79      
2 A' 3375 3046 1.51      
3 A' 3332 3008 1.98      
4 A' 2609 2355 25.84      
5 A' 1849 1668 0.13      
6 A' 1567 1414 8.58      
7 A' 1430 1291 1.62      
8 A' 1198 1082 4.26      
9 A' 933 842 3.32      
10 A' 631 569 0.22      
11 A' 262 236 4.08      
12 A" 1131 1021 25.00      
13 A" 1106 998 38.72      
14 A" 782 706 15.53      
15 A" 392 354 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 12010.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 10841.0 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
1.69965 0.16763 0.15258

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 -0.580 -0.541 0.000
N2 -1.052 -1.574 0.000
C3 0.000 0.780 0.000
H4 -0.698 1.597 0.000
C5 1.305 0.976 0.000
H6 2.002 0.158 0.000
H7 1.709 1.972 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.13621.44282.14072.41962.67493.3987
N21.13622.57903.19083.47263.51084.4939
C31.44282.57901.07441.31972.09652.0831
H42.14073.19081.07442.09753.05982.4365
C52.41963.47261.31972.09751.07461.0744
H62.67493.51082.09653.05981.07461.8372
H73.39874.49392.08312.43651.07441.8372

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.743 C1 C3 C5 122.231
N2 C1 C3 179.186 C3 C5 H6 121.901
C3 C5 H7 120.604 H4 C3 C5 122.026
H6 C5 H7 117.495
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 0.272 0.471    
2 N -0.449 -0.516    
3 C -0.122 -0.208    
4 H 0.193 0.161    
5 C -0.226 -0.237    
6 H 0.171 0.169    
7 H 0.161 0.160    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.190 3.658 0.000 4.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.102 -2.861 0.000
y -2.861 -25.895 0.000
z 0.000 0.000 -24.681
Traceless
 xyz
x 3.186 -2.861 0.000
y -2.861 -2.504 0.000
z 0.000 0.000 -0.682
Polar
3z2-r2-1.364
x2-y23.793
xy-2.861
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.291 1.836 0.000
y 1.836 5.853 0.000
z 0.000 0.000 2.156


<r2> (average value of r2) Å2
<r2> 77.465
(<r2>)1/2 8.801