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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-170.817444
Energy at 298.15K-170.819850
Nuclear repulsion energy90.421824
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 mPW1PW91/6-311G*
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' 3280 3130 3.25      
2 A' 3204 3058 1.23      
3 A' 3182 3037 1.77      
4 A' 2373 2264 8.63      
5 A' 1706 1628 0.69      
6 A' 1457 1390 8.83      
7 A' 1330 1270 0.23      
8 A' 1121 1070 3.98      
9 A' 896 855 1.16      
10 A' 589 562 0.02      
11 A' 241 230 2.57      
12 A" 1013 966 23.47      
13 A" 988 943 44.14      
14 A" 718 686 14.54      
15 A" 359 343 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 11228.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 10716.4 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 mPW1PW91/6-311G*
ABC
1.70130 0.16647 0.15163

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 -0.532 0.000
N2 -1.065 -1.577 0.000
C3 0.000 0.770 0.000
H4 -0.701 1.598 0.000
C5 1.315 0.978 0.000
H6 2.023 0.158 0.000
H7 1.715 1.984 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15331.42422.13342.42122.69153.4038
N21.15332.57733.19613.49183.54284.5177
C31.42422.57731.08491.33132.11372.1010
H42.13343.19611.08492.10903.08112.4458
C52.42123.49181.33132.10901.08311.0828
H62.69153.54282.11373.08111.08311.8518
H73.40384.51772.10102.44581.08281.8518

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.824 C1 C3 C5 122.937
N2 C1 C3 178.965 C3 C5 H6 121.859
C3 C5 H7 120.633 H4 C3 C5 121.240
H6 C5 H7 117.508
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.125      
2 N -0.276      
3 C -0.213      
4 H 0.255      
5 C -0.386      
6 H 0.251      
7 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.000 3.412 0.000 3.955
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.103 -2.729 0.000
y -2.729 -25.335 0.000
z 0.000 0.000 -24.743
Traceless
 xyz
x 2.936 -2.729 0.000
y -2.729 -1.912 0.000
z 0.000 0.000 -1.024
Polar
3z2-r2-2.048
x2-y23.232
xy-2.729
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 77.791
(<r2>)1/2 8.820