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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-170.831551
Energy at 298.15K-170.833920
Nuclear repulsion energy89.895479
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' 3274 3144 3.07      
2 A' 3196 3069 1.56      
3 A' 3184 3058 0.81      
4 A' 2349 2256 7.38      
5 A' 1697 1630 0.49      
6 A' 1463 1405 5.37      
7 A' 1332 1279 0.38      
8 A' 1119 1075 3.47      
9 A' 890 854 1.27      
10 A' 578 555 0.03      
11 A' 238 228 2.84      
12 A" 1009 969 21.63      
13 A" 981 942 30.23      
14 A" 713 685 11.26      
15 A" 356 342 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 11189.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 10744.9 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
1.68806 0.16440 0.14981

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 -0.580 -0.534 0.000
N2 -1.072 -1.588 0.000
C3 0.000 0.775 0.000
H4 -0.703 1.604 0.000
C5 1.322 0.985 0.000
H6 2.033 0.165 0.000
H7 1.722 1.994 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16351.43122.14192.43382.70473.4187
N21.16352.59463.21373.51473.56624.5430
C31.43122.59461.08751.33852.12262.1099
H42.14193.21371.08752.11743.09162.4559
C52.43383.51471.33852.11741.08551.0853
H62.70473.56622.12263.09161.08551.8553
H73.41874.54302.10992.45591.08531.8553

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.839 C1 C3 C5 122.935
N2 C1 C3 178.829 C3 C5 H6 121.893
C3 C5 H7 120.666 H4 C3 C5 121.225
H6 C5 H7 117.441
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 0.315 0.410 0.968 0.405
2 N -0.460 -0.454 -1.230 -0.442
3 C -0.109 -0.181 0.053 -0.219
4 H 0.189 0.149 0.087 0.176
5 C -0.288 -0.212 -0.027 -0.258
6 H 0.181 0.147 0.078 0.173
7 H 0.172 0.142 0.070 0.164


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.955 3.355 0.000 3.883
CHELPG 1.952 3.355 0.000 3.882
AIM -1.006 -1.972 0.000 2.214
ESP 1.966 3.365 0.000 3.897


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.027 -2.717 0.000
y -2.717 -25.270 0.000
z 0.000 0.000 -24.185
Traceless
 xyz
x 2.700 -2.717 0.000
y -2.717 -2.164 0.000
z 0.000 0.000 -0.537
Polar
3z2-r2-1.073
x2-y23.243
xy-2.717
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.302 2.026 0.000
y 2.026 6.326 0.000
z 0.000 0.000 2.157


<r2> (average value of r2) Å2
<r2> 78.388
(<r2>)1/2 8.854