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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-169.813221
Energy at 298.15K-169.815767
Nuclear repulsion energy90.209394
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 B1B95/3-21G
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' 3288 3145 2.00      
2 A' 3206 3067 0.79      
3 A' 3194 3055 0.10      
4 A' 2355 2253 3.43      
5 A' 1697 1624 0.95      
6 A' 1494 1429 7.96      
7 A' 1359 1301 0.02      
8 A' 1148 1099 5.57      
9 A' 895 856 0.85      
10 A' 626 599 0.10      
11 A' 267 255 1.24      
12 A" 1035 990 4.59      
13 A" 1014 970 74.91      
14 A" 773 740 13.54      
15 A" 406 388 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 11377.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 10885.3 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 B1B95/3-21G
ABC
1.68656 0.16602 0.15114

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.584 -0.523 0.000
N2 -1.065 -1.583 0.000
C3 0.000 0.771 0.000
H4 -0.694 1.605 0.000
C5 1.318 0.977 0.000
H6 2.023 0.154 0.000
H7 1.723 1.981 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.16441.41962.13092.42202.69273.4043
N21.16442.58393.20963.49773.54314.5250
C31.41962.58391.08501.33412.11452.1051
H42.13093.20961.08502.10803.07982.4458
C52.42203.49771.33412.10801.08301.0826
H62.69273.54312.11453.07981.08301.8514
H73.40434.52502.10512.44581.08261.8514

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.954 C1 C3 C5 123.151
N2 C1 C3 179.832 C3 C5 H6 121.699
C3 C5 H7 120.811 H4 C3 C5 120.896
H6 C5 H7 117.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.295      
2 N -0.478      
3 C -0.205      
4 H 0.268      
5 C -0.354      
6 H 0.240      
7 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.869 3.155 0.000 3.667
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.850 -2.577 0.000
y -2.577 -25.095 0.000
z 0.000 0.000 -24.612
Traceless
 xyz
x 3.003 -2.577 0.000
y -2.577 -1.863 0.000
z 0.000 0.000 -1.140
Polar
3z2-r2-2.280
x2-y23.245
xy-2.577
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.829 1.860 0.000
y 1.860 5.770 0.000
z 0.000 0.000 1.654


<r2> (average value of r2) Å2
<r2> 77.852
(<r2>)1/2 8.823