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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: B3LYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-170.899488
Energy at 298.15K-170.901885
Nuclear repulsion energy90.419226
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/aug-cc-pVTZ
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' 3246 3141 1.04      
2 A' 3171 3068 0.74      
3 A' 3156 3053 0.43      
4 A' 2333 2258 9.68      
5 A' 1675 1621 1.41      
6 A' 1452 1404 7.03      
7 A' 1323 1280 0.41      
8 A' 1113 1077 2.38      
9 A' 883 854 1.63      
10 A' 583 564 0.08      
11 A' 239 231 3.35      
12 A" 1009 976 4.60      
13 A" 996 964 49.95      
14 A" 714 690 11.55      
15 A" 351 339 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 11121.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 10760.2 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/aug-cc-pVTZ
ABC
1.71352 0.16607 0.15139

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.576 -0.536 0.000
N2 -1.065 -1.579 0.000
C3 0.000 0.769 0.000
H4 -0.703 1.593 0.000
C5 1.314 0.984 0.000
H6 2.023 0.168 0.000
H7 1.707 1.990 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15241.42622.13202.42482.69293.4043
N21.15242.57853.19243.49663.54824.5189
C31.42622.57851.08271.33132.11062.0983
H42.13203.19241.08272.10683.07582.4420
C52.42483.49661.33132.10681.08071.0804
H62.69293.54822.11063.07581.08071.8492
H73.40434.51892.09832.44201.08041.8492

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.696 C1 C3 C5 123.091
N2 C1 C3 178.725 C3 C5 H6 121.755
C3 C5 H7 120.580 H4 C3 C5 121.213
H6 C5 H7 117.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.398      
2 N -0.543      
3 C 0.079      
4 H 0.302      
5 C -0.827      
6 H 0.225      
7 H 0.367      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.026 3.481 0.000 4.028
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.751 -2.877 0.000
y -2.877 -26.171 0.000
z 0.000 0.000 -24.955
Traceless
 xyz
x 2.812 -2.877 0.000
y -2.877 -2.317 0.000
z 0.000 0.000 -0.495
Polar
3z2-r2-0.989
x2-y23.420
xy-2.877
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.419 2.019 0.000
y 2.019 7.403 0.000
z 0.000 0.000 4.298


<r2> (average value of r2) Å2
<r2> 78.224
(<r2>)1/2 8.844