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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-170.836244
Energy at 298.15K-170.838621
Nuclear repulsion energy89.916554
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 B3LYP/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' 3271 3143 2.46      
2 A' 3190 3065 1.24      
3 A' 3175 3051 0.54      
4 A' 2349 2257 7.11      
5 A' 1693 1627 0.51      
6 A' 1454 1397 5.58      
7 A' 1323 1272 0.36      
8 A' 1113 1069 3.42      
9 A' 889 854 1.29      
10 A' 577 554 0.03      
11 A' 237 228 2.85      
12 A" 1008 968 19.91      
13 A" 982 944 30.20      
14 A" 713 685 10.86      
15 A" 356 342 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 11165.3 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 10727.6 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 B3LYP/6-31G**
ABC
1.69062 0.16443 0.14986

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.579 -0.534 0.000
N2 -1.072 -1.588 0.000
C3 0.000 0.774 0.000
H4 -0.704 1.603 0.000
C5 1.321 0.986 0.000
H6 2.032 0.166 0.000
H7 1.719 1.995 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16351.43112.14082.43342.70283.4174
N21.16352.59443.21233.51463.56494.5419
C31.43112.59441.08701.33802.12072.1084
H42.14083.21231.08702.11683.08972.4546
C52.43343.51461.33802.11681.08481.0846
H62.70283.56492.12073.08971.08481.8551
H73.41744.54192.10842.45461.08461.8551

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.794 C1 C3 C5 122.955
N2 C1 C3 178.803 C3 C5 H6 121.819
C3 C5 H7 120.634 H4 C3 C5 121.251
H6 C5 H7 117.547
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.305      
2 N -0.461      
3 C -0.067      
4 H 0.146      
5 C -0.191      
6 H 0.137      
7 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.952 3.350 0.000 3.877
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.044 -2.715 0.000
y -2.715 -25.280 0.000
z 0.000 0.000 -24.153
Traceless
 xyz
x 2.672 -2.715 0.000
y -2.715 -2.181 0.000
z 0.000 0.000 -0.491
Polar
3z2-r2-0.982
x2-y23.235
xy-2.715
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.334 2.021 -0.000
y 2.021 6.363 0.001
z -0.000 0.001 2.197


<r2> (average value of r2) Å2
<r2> 78.362
(<r2>)1/2 8.852