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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-170.652773
Energy at 298.15K-170.655080
Nuclear repulsion energy89.683513
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 PBEPBE/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' 3184 3151 4.12      
2 A' 3099 3066 1.62      
3 A' 3089 3057 1.92      
4 A' 2251 2228 3.87      
5 A' 1632 1615 1.29      
6 A' 1406 1391 7.45      
7 A' 1284 1271 0.05      
8 A' 1084 1073 3.37      
9 A' 872 863 0.87      
10 A' 567 561 0.00      
11 A' 231 228 2.07      
12 A" 967 957 26.27      
13 A" 925 916 37.39      
14 A" 689 682 12.50      
15 A" 342 339 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 10811.3 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 10698.8 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 PBEPBE/6-311G*
ABC
1.68540 0.16375 0.14925

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.581 -0.532 0.000
N2 -1.077 -1.590 0.000
C3 0.000 0.770 0.000
H4 -0.706 1.607 0.000
C5 1.326 0.987 0.000
H6 2.044 0.164 0.000
H7 1.724 2.004 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16891.42532.14242.43812.71543.4264
N21.16892.59413.21863.52393.58004.5564
C31.42532.59411.09491.34422.13192.1200
H42.14243.21861.09492.12473.10542.4618
C52.43813.52391.34422.12471.09191.0917
H62.71543.58002.13193.10541.09191.8675
H73.42644.55642.12002.46181.09171.8675

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.823 C1 C3 C5 123.347
N2 C1 C3 178.938 C3 C5 H6 121.778
C3 C5 H7 120.647 H4 C3 C5 120.831
H6 C5 H7 117.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.089      
2 N -0.229      
3 C -0.195      
4 H 0.240      
5 C -0.375      
6 H 0.238      
7 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.902 3.293 0.000 3.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.330 -2.668 0.000
y -2.668 -25.344 0.000
z 0.000 0.000 -24.823
Traceless
 xyz
x 2.753 -2.668 0.000
y -2.668 -1.768 0.000
z 0.000 0.000 -0.986
Polar
3z2-r2-1.971
x2-y23.014
xy-2.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.709 2.134 0.000
y 2.134 6.780 0.000
z 0.000 0.000 2.686


<r2> (average value of r2) Å2
<r2> 78.862
(<r2>)1/2 8.880