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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-169.708354
Energy at 298.15K-169.710967
Nuclear repulsion energy90.139666
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/LANL2DZ
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' 3471 3124 11.25      
2 A' 3413 3071 3.56      
3 A' 3361 3025 3.89      
4 A' 2517 2265 33.73      
5 A' 1818 1636 1.01      
6 A' 1585 1426 11.42      
7 A' 1444 1299 0.57      
8 A' 1219 1097 10.36      
9 A' 935 842 4.44      
10 A' 643 579 0.22      
11 A' 272 245 2.33      
12 A" 1169 1052 39.12      
13 A" 1113 1001 55.13      
14 A" 802 721 14.89      
15 A" 402 362 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 12081.3 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 10872.0 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/LANL2DZ
ABC
1.70819 0.16435 0.14993

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.581 -0.542 0.000
N2 -1.065 -1.590 0.000
C3 0.000 0.777 0.000
H4 -0.699 1.590 0.000
C5 1.317 0.992 0.000
H6 2.027 0.188 0.000
H7 1.707 1.991 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.15381.44172.13592.44062.70853.4136
N21.15382.59543.20103.51283.56694.5283
C31.44172.59541.07201.33462.11122.0946
H42.13593.20101.07202.10283.06552.4388
C52.44063.51281.33462.10281.07261.0725
H62.70853.56692.11123.06551.07261.8313
H73.41364.52832.09462.43881.07251.8313

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.572 C1 C3 C5 123.016
N2 C1 C3 178.949 C3 C5 H6 122.196
C3 C5 H7 120.570 H4 C3 C5 121.411
H6 C5 H7 117.235
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 N -0.073      
3 C -0.104      
4 H 0.229      
5 C -0.372      
6 H 0.210      
7 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.243 3.713 0.000 4.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.700 -3.116 0.000
y -3.116 -26.921 0.000
z 0.000 0.000 -25.617
Traceless
 xyz
x 3.569 -3.116 0.000
y -3.116 -2.763 0.000
z 0.000 0.000 -0.806
Polar
3z2-r2-1.612
x2-y24.221
xy-3.116
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.581 2.059 0.000
y 2.059 5.903 0.000
z 0.000 0.000 2.166


<r2> (average value of r2) Å2
<r2> 79.060
(<r2>)1/2 8.892