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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-169.803554
Energy at 298.15K-169.806140
Nuclear repulsion energy91.006138
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3416 3089 6.10      
2 A' 3367 3045 1.63      
3 A' 3323 3005 3.92      
4 A' 2590 2342 24.96      
5 A' 1833 1658 0.03      
6 A' 1566 1416 9.76      
7 A' 1430 1293 1.60      
8 A' 1200 1085 4.24      
9 A' 927 838 3.37      
10 A' 635 574 0.15      
11 A' 266 240 3.74      
12 A" 1119 1012 25.40      
13 A" 1099 994 44.66      
14 A" 780 705 17.46      
15 A" 396 359 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 11972.3 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 10827.8 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 HF/6-311G*
ABC
1.70707 0.16817 0.15309

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.580 -0.542 0.000
N2 -1.051 -1.569 0.000
C3 0.000 0.777 0.000
H4 -0.698 1.594 0.000
C5 1.304 0.974 0.000
H6 2.003 0.159 0.000
H7 1.708 1.970 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.13041.44102.13882.41852.67673.3975
N21.13042.57133.18293.46663.50924.4875
C31.44102.57131.07401.31902.09672.0830
H42.13883.18291.07402.09553.05872.4347
C52.41853.46661.31902.09551.07441.0743
H62.67673.50922.09673.05871.07441.8354
H73.39754.48752.08302.43471.07431.8354

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.742 C1 C3 C5 122.334
N2 C1 C3 179.130 C3 C5 H6 122.003
C3 C5 H7 120.660 H4 C3 C5 121.924
H6 C5 H7 117.336
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.160 0.492   0.476
2 N -0.332 -0.526   -0.502
3 C -0.225 -0.216   -0.276
4 H 0.265 0.164   0.207
5 C -0.373 -0.261   -0.312
6 H 0.257 0.177   0.210
7 H 0.249 0.170   0.196


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.193 3.648 0.000 4.257
CHELPG        
AIM        
ESP 2.189 3.654 0.000 4.260


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.257 -2.846 0.000
y -2.846 -26.040 0.000
z 0.000 0.000 -25.140
Traceless
 xyz
x 3.333 -2.846 0.000
y -2.846 -2.342 0.000
z 0.000 0.000 -0.991
Polar
3z2-r2-1.982
x2-y23.783
xy-2.846
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.472 1.834 0.000
y 1.834 5.938 0.000
z 0.000 0.000 2.588


<r2> (average value of r2) Å2
<r2> 77.432
(<r2>)1/2 8.800