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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-170.635522
Energy at 298.15K-170.637904
Nuclear repulsion energy90.090058
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 HSEh1PBE/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' 3304 3142 1.83      
2 A' 3224 3066 0.98      
3 A' 3208 3051 0.54      
4 A' 2380 2263 9.07      
5 A' 1716 1632 0.41      
6 A' 1462 1390 6.98      
7 A' 1332 1266 0.28      
8 A' 1121 1066 4.05      
9 A' 900 856 0.88      
10 A' 582 553 0.05      
11 A' 238 226 2.71      
12 A" 1014 964 23.37      
13 A" 988 939 36.21      
14 A" 718 683 12.92      
15 A" 358 341 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 11271.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 10719.3 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 HSEh1PBE/6-31G*
ABC
1.68427 0.16547 0.15067

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.580 -0.530 0.000
N2 -1.070 -1.583 0.000
C3 0.000 0.774 0.000
H4 -0.700 1.606 0.000
C5 1.320 0.978 0.000
H6 2.025 0.153 0.000
H7 1.724 1.985 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16161.42712.13932.42532.69303.4105
N21.16162.58863.21023.50313.54924.5319
C31.42712.58861.08721.33572.11842.1068
H42.13933.21021.08722.11543.08842.4536
C52.42533.50311.33572.11541.08531.0850
H62.69303.54922.11843.08841.08531.8564
H73.41054.53192.10682.45361.08501.8564

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.958 C1 C3 C5 122.736
N2 C1 C3 178.963 C3 C5 H6 121.758
C3 C5 H7 120.644 H4 C3 C5 121.306
H6 C5 H7 117.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.317      
2 N -0.465      
3 C -0.145      
4 H 0.222      
5 C -0.336      
6 H 0.209      
7 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.986 3.382 0.000 3.922
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.863 -2.689 0.000
y -2.689 -25.073 0.000
z 0.000 0.000 -24.278
Traceless
 xyz
x 2.813 -2.689 0.000
y -2.689 -2.003 0.000
z 0.000 0.000 -0.810
Polar
3z2-r2-1.619
x2-y23.210
xy-2.689
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.281 2.007 0.000
y 2.007 6.291 0.000
z 0.000 0.000 2.169


<r2> (average value of r2) Å2
<r2> 77.980
(<r2>)1/2 8.831