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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-170.758646
Energy at 298.15K-170.761018
Nuclear repulsion energy90.142192
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 B1B95/6-31G**
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' 3294 3145 1.80      
2 A' 3213 3068 0.96      
3 A' 3194 3049 0.34      
4 A' 2374 2267 7.69      
5 A' 1710 1633 0.42      
6 A' 1447 1382 6.26      
7 A' 1317 1258 0.31      
8 A' 1109 1059 3.83      
9 A' 894 854 0.98      
10 A' 576 550 0.03      
11 A' 235 224 2.67      
12 A" 1009 963 19.65      
13 A" 985 940 34.91      
14 A" 715 682 11.80      
15 A" 355 339 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 11212.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 10705.9 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 B1B95/6-31G**
ABC
1.69191 0.16550 0.15075

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 -0.531 0.000
N2 -1.069 -1.583 0.000
C3 0.000 0.774 0.000
H4 -0.701 1.602 0.000
C5 1.318 0.980 0.000
H6 2.024 0.158 0.000
H7 1.718 1.987 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16141.42702.13672.42452.69123.4075
N21.16142.58823.20653.50303.54954.5294
C31.42702.58821.08541.33422.11532.1033
H42.13673.20651.08542.11313.08402.4500
C52.42453.50301.33422.11311.08341.0832
H62.69123.54952.11533.08401.08341.8540
H73.40754.52942.10332.45001.08321.8540

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.863 C1 C3 C5 122.784
N2 C1 C3 178.844 C3 C5 H6 121.734
C3 C5 H7 120.581 H4 C3 C5 121.353
H6 C5 H7 117.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.293      
2 N -0.450      
3 C -0.094      
4 H 0.169      
5 C -0.220      
6 H 0.155      
7 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.955 3.342 0.000 3.872
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.864 -2.670 0.000
y -2.670 -25.030 0.000
z 0.000 0.000 -24.128
Traceless
 xyz
x 2.716 -2.670 0.000
y -2.670 -2.034 0.000
z 0.000 0.000 -0.681
Polar
3z2-r2-1.362
x2-y23.167
xy-2.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.283 1.991 0.000
y 1.991 6.320 0.000
z 0.000 0.000 2.200


<r2> (average value of r2) Å2
<r2> 77.893
(<r2>)1/2 8.826