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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-169.830449
Energy at 298.15K-169.833027
HF Energy-169.830449
Nuclear repulsion energy91.163921
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/daug-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' 3394 3070 1.85      
2 A' 3346 3027 1.11      
3 A' 3303 2988 1.38      
4 A' 2578 2332 29.99      
5 A' 1820 1646 0.16      
6 A' 1559 1411 10.49      
7 A' 1424 1288 1.90      
8 A' 1193 1079 2.92      
9 A' 922 834 3.64      
10 A' 631 571 0.31      
11 A' 264 239 4.44      
12 A" 1131 1023 20.50      
13 A" 1099 994 42.88      
14 A" 780 706 16.10      
15 A" 393 355 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 11918.6 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 10781.6 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 HF/daug-cc-pVTZ
ABC
1.71526 0.16869 0.15358

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.577 -0.543 0.000
N2 -1.049 -1.567 0.000
C3 0.000 0.777 0.000
H4 -0.698 1.590 0.000
C5 1.301 0.974 0.000
H6 1.997 0.158 0.000
H7 1.701 1.969 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.12791.44022.13632.41432.66793.3911
N21.12792.56813.17673.46143.50074.4797
C31.44022.56811.07211.31612.09082.0773
H42.13633.17671.07212.09243.05242.4294
C52.41433.46141.31612.09241.07251.0723
H62.66793.50072.09083.05241.07251.8350
H73.39114.47972.07732.42941.07231.8350

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.720 C1 C3 C5 122.243
N2 C1 C3 178.896 C3 C5 H6 121.837
C3 C5 H7 120.523 H4 C3 C5 122.037
H6 C5 H7 117.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.101      
2 N -1.066      
3 C 0.316      
4 H 0.794      
5 C -2.039      
6 H 0.500      
7 H 0.393      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.222 3.710 0.000 4.325
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.450 -2.887 0.000
y -2.887 -26.289 0.000
z 0.000 0.000 -25.168
Traceless
 xyz
x 3.279 -2.887 0.000
y -2.887 -2.480 0.000
z 0.000 0.000 -0.799
Polar
3z2-r2-1.597
x2-y23.840
xy-2.887
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.152 1.772 0.000
y 1.772 6.714 0.000
z 0.000 0.000 4.158


<r2> (average value of r2) Å2
<r2> 77.322
(<r2>)1/2 8.793